CN106558676A - Lithium battery collector with defencive function - Google Patents
Lithium battery collector with defencive function Download PDFInfo
- Publication number
- CN106558676A CN106558676A CN201710030552.0A CN201710030552A CN106558676A CN 106558676 A CN106558676 A CN 106558676A CN 201710030552 A CN201710030552 A CN 201710030552A CN 106558676 A CN106558676 A CN 106558676A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- defencive function
- battery collector
- tinsel
- alc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 65
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims description 29
- 230000006870 function Effects 0.000 claims description 25
- -1 polyethylene Polymers 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000011651 chromium Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 150000001721 carbon Chemical class 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000010955 niobium Substances 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229910021332 silicide Inorganic materials 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- HFLAMWCKUFHSAZ-UHFFFAOYSA-N niobium dioxide Chemical compound O=[Nb]=O HFLAMWCKUFHSAZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 4
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 claims description 2
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 claims description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 2
- 206010010144 Completed suicide Diseases 0.000 claims description 2
- 229910019855 Cr2GaN Inorganic materials 0.000 claims description 2
- 229910003842 Hf2InC Inorganic materials 0.000 claims description 2
- 229910003836 Hf2SnC Inorganic materials 0.000 claims description 2
- 229910003837 Hf2SnN Inorganic materials 0.000 claims description 2
- 229910003838 Hf2TlC Inorganic materials 0.000 claims description 2
- 229920013646 Hycar Polymers 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910015419 Mo2GaC Inorganic materials 0.000 claims description 2
- 229910019637 Nb2AlC Inorganic materials 0.000 claims description 2
- 229910019707 Nb2AsC Inorganic materials 0.000 claims description 2
- 229910019710 Nb2GaC Inorganic materials 0.000 claims description 2
- 229910019701 Nb2InC Inorganic materials 0.000 claims description 2
- 229910019698 Nb2SnC Inorganic materials 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910004447 Ta2AlC Inorganic materials 0.000 claims description 2
- 229910004477 Ta2GaC Inorganic materials 0.000 claims description 2
- 229910004470 Ta4AlC3 Inorganic materials 0.000 claims description 2
- 229910009594 Ti2AlN Inorganic materials 0.000 claims description 2
- 229910009930 Ti2GaC Inorganic materials 0.000 claims description 2
- 229910009925 Ti2GaN Inorganic materials 0.000 claims description 2
- 229910009926 Ti2GeC Inorganic materials 0.000 claims description 2
- 229910009927 Ti2InC Inorganic materials 0.000 claims description 2
- 229910009928 Ti2InN Inorganic materials 0.000 claims description 2
- 229910009966 Ti2PbC Inorganic materials 0.000 claims description 2
- 229910010013 Ti2SnC Inorganic materials 0.000 claims description 2
- 229910010014 Ti2TlC Inorganic materials 0.000 claims description 2
- 229910009818 Ti3AlC2 Inorganic materials 0.000 claims description 2
- 229910009821 Ti3GeC2 Inorganic materials 0.000 claims description 2
- 229910009817 Ti3SiC2 Inorganic materials 0.000 claims description 2
- 229910009846 Ti4AlN3 Inorganic materials 0.000 claims description 2
- 229910033181 TiB2 Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- 229910008196 Zr2InC Inorganic materials 0.000 claims description 2
- 229910008255 Zr2PbC Inorganic materials 0.000 claims description 2
- 229910008248 Zr2SnC Inorganic materials 0.000 claims description 2
- 229910008244 Zr2TlC Inorganic materials 0.000 claims description 2
- 229910008237 Zr2TlN Inorganic materials 0.000 claims description 2
- 229910007948 ZrB2 Inorganic materials 0.000 claims description 2
- 229910026551 ZrC Inorganic materials 0.000 claims description 2
- LRTTZMZPZHBOPO-UHFFFAOYSA-N [B].[B].[Hf] Chemical compound [B].[B].[Hf] LRTTZMZPZHBOPO-UHFFFAOYSA-N 0.000 claims description 2
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 2
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 claims description 2
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 2
- DFJQEGUNXWZVAH-UHFFFAOYSA-N bis($l^{2}-silanylidene)titanium Chemical compound [Si]=[Ti]=[Si] DFJQEGUNXWZVAH-UHFFFAOYSA-N 0.000 claims description 2
- GJIKIPCNQLUSQC-UHFFFAOYSA-N bis($l^{2}-silanylidene)zirconium Chemical compound [Si]=[Zr]=[Si] GJIKIPCNQLUSQC-UHFFFAOYSA-N 0.000 claims description 2
- XTDAIYZKROTZLD-UHFFFAOYSA-N boranylidynetantalum Chemical compound [Ta]#B XTDAIYZKROTZLD-UHFFFAOYSA-N 0.000 claims description 2
- JEUVAEBWTRCMTB-UHFFFAOYSA-N boron;tantalum Chemical compound B#[Ta]#B JEUVAEBWTRCMTB-UHFFFAOYSA-N 0.000 claims description 2
- AUVPWTYQZMLSKY-UHFFFAOYSA-N boron;vanadium Chemical compound [V]#B AUVPWTYQZMLSKY-UHFFFAOYSA-N 0.000 claims description 2
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 claims description 2
- 229910021357 chromium silicide Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000007590 electrostatic spraying Methods 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 239000011133 lead Substances 0.000 claims description 2
- 150000001247 metal acetylides Chemical class 0.000 claims description 2
- JAGQSESDQXCFCH-UHFFFAOYSA-N methane;molybdenum Chemical compound C.[Mo].[Mo] JAGQSESDQXCFCH-UHFFFAOYSA-N 0.000 claims description 2
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 2
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 229910021352 titanium disilicide Inorganic materials 0.000 claims description 2
- 229910003470 tongbaite Inorganic materials 0.000 claims description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 229910021353 zirconium disilicide Inorganic materials 0.000 claims description 2
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- LCDFWRDNEPDQBV-UHFFFAOYSA-N formaldehyde;phenol;urea Chemical compound O=C.NC(N)=O.OC1=CC=CC=C1 LCDFWRDNEPDQBV-UHFFFAOYSA-N 0.000 claims 1
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 claims 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 claims 1
- 230000009993 protective function Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims 1
- 229910021342 tungsten silicide Inorganic materials 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention discloses a kind of lithium battery collector with defencive function, including tinsel, wherein, described tinsel, with two relative first surfaces and second surface, as the base paper tinsel of lithium battery collector；The first conducing composite material layer with resistance positive temperature degree effect, combines closely in the first surface of the tinsel；The second conducing composite material layer with resistance positive temperature degree effect, combines closely in the second surface of the tinsel.There should be the lithium battery collector of defencive function effectively prevent lithium battery thermal runaway, improve the security performance of lithium battery.
Description
Technical field
The present invention relates to a kind of lithium battery collector with defencive function, particularly one kind will be imitated with resistance positive temperature degree
The conducing composite material layer answered is combined closely in the lithium battery collector on tinsel two sides.
Background technology
Generally, the collector positive pole Al of lithium battery, negative pole Cu.Because aluminum embedding lithium of meeting under electronegative potential, no
It is fit to do negative current collector；Copper can be aoxidized under high potential, be unfit to do plus plate current-collecting body, but aluminium surface has a passivation layer, therefore can be with
As plus plate current-collecting body.
Polymer-based conducing composite material can maintain relatively low resistance value at a normal temperature, with reacting to temperature change
Sharp characteristic, i.e., when overcurrent occurs in circuit or high temperataure phenomena is crossed, its resistance can increase to a high value moment, make electricity
Road is in off state, to reach the purpose of protection circuit element.Therefore the guarantor that polymer-based conducing composite material can be prepared
Protection element is connected in circuit, used as the material of current sensing.Such material has been widely used in electronic circuit protection
On components and parts.
In recent years, lithium battery is developed rapidly, and the energy density of lithium battery, power density, cycle life were in the past two
It is obviously improved within 10 years, reliable high performance lithium ion battery is in consumer electronics, electric automobile and power grid energy storage art
In strong demand, working enterprise, battery capacity and output continue to increase, from the point of view of the stage of industry life cycle, lithium battery industry mesh
It is front in the fast-growing period.But the safety problem of lithium battery is not fully solved always, lithium ion battery opening up in application
Exhibition so that the voltage of battery system and capacity need more cells to realize, when adding pack in groups, system sets
The aspects such as meter, the management of BMS are difficult to accomplish perfection, once battery is under abuse conditions（Such as overcharge, in or beyond portion short circuit, high temperature
Situations such as）, it may appear that thermal runaway, and then cause the security incidents such as on fire, blast, safety problem has been high energy density cells
The major obstacle of large-scale application.
In order to lift the security performance of battery, many effort, including barrier film and electrolyte stabilizer are done
Deng.But, these methods be all it is irreversible, once therefore protect and occur, battery cannot reuse.High molecular PTC temperature-sensitive
Resistance can be used to prevent lithium battery overheated, but, the macromolecular PTC thermistor of lithium battery external is assembled in away from battery
Portion's heat generating unit, due to decay of the heat in transmittance process so that macromolecular PTC thermistor cannot be detected in time
The abnormal rising of lithium battery interior temperature, it is difficult to lithium battery is protected in the very first time.
Therefore, in order to effectively protect lithium battery much sooner, it is necessary to develop new solution.
The content of the invention
Present invention aim at：A kind of lithium battery collector with defencive function, should the lithium battery with defencive function
Collector can will be made to the abnormal temperature of lithium battery interior and abnormal current on lithium battery thermal runaway is prevented more effectively soon
Speed responds and protection can be repeated several times.
The purpose of the present invention is achieved through the following technical solutions：A kind of lithium battery collector with defencive function, including
Tinsel, which includes
（a）Described tinsel, with two relative first surfaces and second surface, as the base of lithium battery collector
Paper tinsel；
B the first conducing composite material layer of () with resistance positive temperature degree effect, combines closely in the first table of the tinsel
Face；
C the second conducing composite material layer of () with resistance positive temperature degree effect, combines closely in the second table of the tinsel
Face.
The present invention is multiple with existing lithium battery collector by the polymer-based conducing composite material with resistance positive temperature degree effect
Close, constitute a kind of laminar product and be placed in lithium battery interior, will be on lithium battery thermal runaway be prevented more effectively, the advantage of this invention exists
Quick response can be made to the abnormal temperature of lithium battery interior and abnormal current in which and protection can be repeated several times.It is a kind of
Conducing composite material layer with resistance positive temperature degree effect is combined closely in the lithium battery collector on tinsel two sides.Work as lithium
When internal temperature of battery rises extremely, lithium battery can be protected in the very first time.
The tinsel can be aluminium foil and Copper Foil, and its thickness is between for 1 μm ~ 30 μm.
On the basis of such scheme, the conducing composite material layer includes at least one polymer base material and at least one electricity
Resistance rate is less than the conductive powder of 200 μ Ω .cm and particle size distribution range between 0.01 μm ~ 50 μm, wherein：
The polymer base material is：Polyethylene, chlorinated polyethylene, oxidic polyethylene, polrvinyl chloride, butadiene-acrylonitrile copolymer
Thing, acrylonitrile-butadiene-styrene copolymer, polystyrene, Merlon, polyamide, polyimides, poly terephthalic acid
Glycol ester, polybutylene terephthalate (PBT), polyphenylene oxide, polyphenylene sulfide, polyformaldehyde, phenolic resin, politef, tetrafluoro
Ethylene-hexafluoropropylene copolymer, poly- trifluoro-ethylene, polyvinyl fluoride, maleic anhydride grafted polyethylene, polypropylene, Kynoar,
One kind in epoxy resin, ethylene-vinyl acetate copolymer, polymethyl methacrylate, ethylene-acrylic acid copolymer and its mixed
Compound.
The conductive powder is selected from:Carbon series conductive powder, metal dust, composite conductive powder, conductivity ceramics powder and it
Mixture.
The carbon series conductive powder is：Carbon black, carbon fiber, CNT, graphite, Graphene and their mixture.
The metal dust is：One kind and its mixing in copper, nickel, cobalt, ferrum, tungsten, stannum, lead, silver, gold, platinum or its alloy
Thing.
The composite conductive powder is：Carbon series conductive material coats metal dust and carbon series conductive material coated with conductive ceramics
One kind and its mixture in powder.
The carbon series conductive material is：Carbon black, carbon fiber, CNT, graphite, Graphene and their mixture.
The conductivity ceramics powder is：Metal nitride, metal carbides, metal boride, metal silicide, stratiform knot
The mixture of one or more among structure ceramic powder.
The metal boride is tantalum boride, tantalum diboride, vanadium boride, vanadium diboride, zirconium diboride, titanium diboride, boron
Change niobium, niobium dioxide, two molybdenum of boronation, five boronations, two molybdenum, hafnium boride, two tungsten of boronation, tungsten boride, two chromium of boronation, chromium boride, two
One kind among five chromium of chromium boride or three boronations.The nitride be tantalum nitride, vanadium nitride, zirconium nitride, titanium nitride, niobium nitride or
One kind in hafnium nitride.The carbide is ramet, vanadium carbide, zirconium carbide, titanium carbide, niobium carbide, dimolybdenum carbide, carbonization
One kind among hafnium, tungsten carbide, ditungsten carbide or Cr3C2.The silicide is tantalum silicide, three silication, five tantalum, silication
Three vanadium, two vanadium silicides, zirconium disilicide, titanium disilicide, three silication, five titanium, niobium disilicide, molybdenum disilicide, two hafnium suicides, two silication
One kind among tungsten, three chromium of silication or two chromium silicides.Layered structural ceramicss powder is Sc2InC、Ti2AlC、Ti2GaC、
Ti2InC、Ti2TlC、V2AlC、V2GaC、Cr2GaC、Ti2AlN、Ti2GaN、Ti2InN、V2GaN、Cr2GaN、Ti2GeC、Ti2SnC、
Ti2PbC、V2GeC、Cr2SiC、Cr2GeC、V2PC、V2AsC、Ti2SC、Zr2InC、Zr2TlC、Nb2AlC、Nb2GaC、Nb2InC、
Mo2GaC、Zr2InN、Zr2TlN、Zr2SnC、Zr2PbC、Nb2SnC、Nb2PC、Nb2AsC、Zr2SC、Nb2SC、Hf2SC、Hf2InC、
Hf2TlC、Ta2AlC、Ta2GaC、Hf2SnC、Hf2PbC、Hf2SnN、Ti3AlC2、V3AlC2、Ta3AlC2、Ti3SiC2、Ti3GeC2、
Ti3SnC2、Ti4AlN3、V4AlC3、Ti4GaC3、Nb4AlN3、Ta4AlC3、Ti4SiC3、Ti4GeC3Among one kind and its mixing
Thing.
The present invention provides a kind of preparation method of the lithium battery collector with defencive function, i.e.,：The conducing composite material layer
The method combined with the tinsel be hot pressing, electrostatic spraying, plasma spray coating, coating, printing, among thermal spraying
One or more.
The thickness of the lithium battery collector with defencive function between 5 μm -50 μm, preferably 5 μm -30 μm.
The lithium battery collector with defencive function that the present invention is provided, is advantageous in that：To imitate with resistance positive temperature degree
The conducing composite material layer answered is combined closely in the lithium battery collector on tinsel two sides, when lithium battery interior has abnormal temperature
When, the resistance of the conducing composite material layer with resistance positive stabilization effect will increase severely, cut off circuit, and this will prevent lithium battery
In thermal runaway more effectively, quick response can be made to the abnormal temperature of lithium battery interior and abnormal current and can be repeated several times
Protection.
Description of the drawings
The lithium battery current collector structure schematic diagram with defencive function of Fig. 1 present invention；
The lithium battery structure schematic diagram that Fig. 2 is prepared using the lithium battery collector with defencive function of the present invention.
Specific embodiment
For the lithium battery collector with defencive function of the present invention, its specific embodiment is as follows：
In conducing composite material with resistance positive temperature degree effect,
Polymer base material is：Polyethylene, chlorinated polyethylene, oxidic polyethylene, polrvinyl chloride, hycar, third
Alkene nitrile-BS, polystyrene, Merlon, polyamide, polyimides, polyethylene terephthalate
Ester, polybutylene terephthalate (PBT), polyphenylene oxide, polyphenylene sulfide, polyformaldehyde, phenolic resin, politef, tetrafluoroethene-
Hexafluoropropylene copolymer, poly- trifluoro-ethylene, polyvinyl fluoride, maleic anhydride grafted polyethylene, polypropylene, Kynoar, epoxy
One kind and its mixing in resin, ethylene-vinyl acetate copolymer, polymethyl methacrylate, ethylene-acrylic acid copolymer
Thing；
The resistivity of conductive powder is not more than 200 μ Ω .cm and particle size distribution range between 0.01 μm ~ 50 μm, the conducting powder
End is selected from:Carbon series conductive powder, metal dust, composite conductive powder, conductivity ceramics powder and their mixture.
Embodiment 1
Polyethylene, conductivity ceramics powder are pressed into the proportion ingredient of PTC resistor, banbury temperature is set as into 180 degree, rotating speed is 30
Rev/min, after being initially charged polymer banburying 3 minutes, conductive filler is subsequently adding, discharges after continuing banburying 15 minutes, had
There is the conducing composite material of resistance positive temperature degree effect.
The above-mentioned melting mixing good conducing composite material with resistance positive temperature degree effect is rolled by mill, is obtained
Thickness is 0.1 millimeter of the conducing composite material sheet material with resistance positive temperature degree effect, then is hot pressed into 0.02 millimeters thick
Conducing composite material layer with resistance positive temperature degree effect.
Two panels had into first, second conducing composite material layer 110a, 110b of resistance positive temperature degree effect, as shown in Figure 1
It is placed in 120 two sides of metallic copper foil.Above-mentioned three are laminated by the method for hot pressing and are closely linked.The temperature of hot pressing
Spend for 180 degrees Celsius, pressure is 12 MPas, and the time is 10 minutes, finally colds pressing 10 minutes on cold press, obtains shown in Fig. 1
The lithium battery collector with defencive function.
Embodiment 2
Conducing composite material proportioning with resistance positive temperature degree effect and processing technique are same as Example 1, simply by metallic copper
Paper tinsel is changed to metal aluminum foil.
Application examples 1
Polyethylene, conductivity ceramics powder are pressed into the proportion ingredient of PTC resistor, banbury temperature is set as into 180 degree, rotating speed is 30
Rev/min, after being initially charged polymer banburying 3 minutes, conductive filler is subsequently adding, discharges after continuing banburying 15 minutes, had
There is the conducing composite material of resistance positive temperature degree effect, be then ground into granule.
By the granule of above-mentioned crushing through multi-layer co-extruded, conducing composite material layer, metallic copper foil and conduction are prepared into multiple
The lithium battery collector with defencive function of the sandwich structure of condensation material layer, gross thickness are 0.05 millimeter.
The lithium battery collector with defencive function for preparing can be assembled in lithium battery, as shown in Figure 2.Copper foil
Combine closely first, second conducing composite material the layer 210a and 210b with positive temperature effect on 220 two sides, with positive temperature
First, second negative electrode material layer 250a, 250b is respectively coated on first, second conducing composite material layer 210a, 210b of effect,
First, second positive electrode material layer 240a, 240b is respectively coated on aluminium foil 270b and 270a, the second positive electrode material layer 240b and
Separated with one 260a of barrier film between one negative electrode material layer 250a；First positive electrode material layer 240a and the second negative electrode material layer 250b it
Between separated with two 260b of barrier film, between one 260a of the second positive electrode material layer 240b and barrier film, and the first negative electrode material layer 250a
It is electrolyte 230b between one 260a of barrier film；Between two 260b of first positive electrode material layer 240a and barrier film, and the second negative pole
It is electrolyte 230a between two 260b of material layer 250b and barrier film, finally by whole part aluminum mold sealed envelope, electrically draws
Go out positive pole aluminium foil and negative copper foil, that is, form a simple lithium battery.When lithium battery interior has abnormal temperature, with resistance
The resistance of first, second conducing composite material layer 210a, 210b of positive temperature effect will increase severely, and block the path of resistance, prevent
Only lithium battery thermal runaway occurs, and can make quick response to the abnormal temperature of lithium battery interior and abnormal current.
Present disclosure and feature have revealed that as above, but the present invention for above describing only briefly or pertains only to this
The specific part of invention, the feature of the present invention may be more more than what content disclosed herein was related to.Therefore, protection model of the invention
Enclose the content that should be not limited to disclosed in embodiment, and the combination of all the elements that should be included in embodied in different piece, with
And various replacements and modification without departing substantially from the present invention, and covered by claims of the present invention.
Claims (11)
1. a kind of lithium battery collector with defencive function, including tinsel, it is characterised in that：Which includes
（a）Described tinsel, with two relative first surfaces and second surface, as the base of lithium battery collector
Paper tinsel；
（b）The first conducing composite material layer with resistance positive temperature degree effect, combines closely in the first table of the tinsel
Face；
（c）The second conducing composite material layer with resistance positive temperature degree effect, combines closely in the second table of the tinsel
Face.
2. the lithium battery collector with defencive function according to claim 1, it is characterised in that the tinsel
Thickness is between 1 μm ~ 30 μm.
3. the lithium battery collector with defencive function according to claim 1, it is characterised in that the conductive composite wood
The bed of material is not more than 200 μ Ω .cm comprising at least one polymer base material and at least one resistivity and particle size distribution range is 0.01
μm ~ 50 μm between conductive powder, wherein, the polymer base material is：Polyethylene, chlorinated polyethylene, oxidic polyethylene, polychlorostyrene
Ethylene, hycar, acrylonitrile-butadiene-styrene copolymer, polystyrene, Merlon, polyamide,
Polyimides, polyethylene terephthalate, polybutylene terephthalate (PBT), polyphenylene oxide, polyphenylene sulfide, polyformaldehyde, phenol
Urea formaldehyde, politef, tetrafluoraoethylene-hexafluoropropylene copolymer, poly- trifluoro-ethylene, polyvinyl fluoride, maleic anhydride grafting are poly-
Ethylene, polypropylene, Kynoar, epoxy resin, ethylene-vinyl acetate copolymer, polymethyl methacrylate, ethylene-the third
One kind and its mixture in olefin(e) acid copolymer；The conductive powder is selected from:Carbon series conductive powder, metal dust, composite conducting
Powder, conductivity ceramics powder and their mixture.
4. the lithium battery collector with defencive function according to claim 3, it is characterised in that the carbon series conductive powder
End is：Carbon black, carbon fiber, CNT, graphite, Graphene and their mixture.
5. the lithium battery collector with defencive function according to claim 3, it is characterised in that the metal dust is：
One kind and its mixture in copper, nickel, cobalt, ferrum, tungsten, stannum, lead, silver, gold, platinum or its alloy.
6. the lithium battery collector with defencive function according to claim 3, it is characterised in that the composite conductive powder
End is：Carbon series conductive material coats metal dust and the one kind in carbon series conductive material coated with conductive ceramic powders and its mixing
Thing.
7. the lithium battery collector with defencive function according to claim 6, it is characterised in that the carbon series conductive material
Expect be：Carbon black, carbon fiber, CNT, graphite, Graphene and their mixture.
8. the lithium battery collector with defencive function according to claim 3, it is characterised in that the conductivity ceramics powder
End is：One kind or several among metal nitride, metal carbides, metal boride, metal silicide, laminated structure ceramics powder
The mixture planted.
9. the lithium battery collector with defencive function according to claim 8, it is characterised in that
The metal boride be tantalum boride, tantalum diboride, vanadium boride, vanadium diboride, zirconium diboride, titanium diboride, niobium (Nb) boride,
Niobium dioxide, two molybdenum of boronation, five boronations, two molybdenum, hafnium boride, two tungsten of boronation, tungsten boride, two chromium of boronation, chromium boride, two boronations
One kind among five chromium of chromium or three boronations；
The metal nitride is the one kind in tantalum nitride, vanadium nitride, zirconium nitride, titanium nitride, niobium nitride or hafnium nitride；
The carbide is ramet, vanadium carbide, zirconium carbide, titanium carbide, niobium carbide, dimolybdenum carbide, hafnium carbide, tungsten carbide, carbon
Change two tungsten or the one kind among Cr3C2；
The silicide is tantalum silicide, three silication, five tantalum, three vanadium of silication, two vanadium silicides, zirconium disilicide, titanium disilicide, three silicon
Change the one kind among five titaniums, niobium disilicide, molybdenum disilicide, two hafnium suicides, tungsten silicide, three chromium of silication or two chromium silicides；
Layered structural ceramicss powder is Sc2InC、Ti2AlC、Ti2GaC、Ti2InC、Ti2TlC、V2AlC、V2GaC、Cr2GaC、
Ti2AlN、Ti2GaN、Ti2InN、V2GaN、Cr2GaN、Ti2GeC、Ti2SnC、Ti2PbC、V2GeC、Cr2SiC、Cr2GeC、V2PC、
V2AsC、Ti2SC、Zr2InC、Zr2TlC、Nb2AlC、Nb2GaC、Nb2InC、Mo2GaC、Zr2InN、Zr2TlN、Zr2SnC、
Zr2PbC、Nb2SnC、Nb2PC、Nb2AsC、Zr2SC、Nb2SC、Hf2SC、Hf2InC、Hf2TlC、Ta2AlC、Ta2GaC、Hf2SnC、
Hf2PbC、Hf2SnN、Ti3AlC2、V3AlC2、Ta3AlC2、Ti3SiC2、Ti3GeC2、Ti3SnC2、Ti4AlN3、V4AlC3、Ti4GaC3、
Nb4AlN3、Ta4AlC3、Ti4SiC3、Ti4GeC3Among one kind and its mixture.
10. the lithium battery collector with defencive function according to claim 1, it is characterised in that described conductive compound
The method combined with the tinsel by material layer is hot pressing, electrostatic spraying, plasma spray coating, coating, printing, thermal spraying
Among one or more.
The 11. lithium battery collectors with defencive function according to claim 1 and 2, it is characterised in that described with guarantor
The thickness of the lithium battery collector of protective function is between 5 μm -50 μm.
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| PCT/CN2017/087277 WO2018133288A1 (en) | 2017-01-17 | 2017-06-06 | Lithium battery current collector having protection function |
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