CN206401423U - Lithium battery collector with defencive function - Google Patents
Lithium battery collector with defencive function Download PDFInfo
- Publication number
- CN206401423U CN206401423U CN201720050226.1U CN201720050226U CN206401423U CN 206401423 U CN206401423 U CN 206401423U CN 201720050226 U CN201720050226 U CN 201720050226U CN 206401423 U CN206401423 U CN 206401423U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- tinsel
- defencive function
- material layer
- composite material
- 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.)
- Expired - Fee Related
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 58
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 21
- 230000006870 function Effects 0.000 claims description 17
- 230000009993 protective function Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 description 18
- -1 polyethylene Polymers 0.000 description 13
- 230000002159 abnormal effect Effects 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 150000001721 carbon Chemical class 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 2
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 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 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
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- 239000011231 conductive filler Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
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- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- HFLAMWCKUFHSAZ-UHFFFAOYSA-N niobium dioxide Chemical compound O=[Nb]=O HFLAMWCKUFHSAZ-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
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- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
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- 229920001721 polyimide Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 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 description 1
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 description 1
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 206010010144 Completed suicide Diseases 0.000 description 1
- 229910019855 Cr2GaN Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910003842 Hf2InC Inorganic materials 0.000 description 1
- 229910003836 Hf2SnC Inorganic materials 0.000 description 1
- 229910003837 Hf2SnN Inorganic materials 0.000 description 1
- 229910003838 Hf2TlC Inorganic materials 0.000 description 1
- 229910015419 Mo2GaC Inorganic materials 0.000 description 1
- 229910019637 Nb2AlC Inorganic materials 0.000 description 1
- 229910019707 Nb2AsC Inorganic materials 0.000 description 1
- 229910019710 Nb2GaC Inorganic materials 0.000 description 1
- 229910019701 Nb2InC Inorganic materials 0.000 description 1
- 229910019698 Nb2SnC Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910004447 Ta2AlC Inorganic materials 0.000 description 1
- 229910004477 Ta2GaC Inorganic materials 0.000 description 1
- 229910004470 Ta4AlC3 Inorganic materials 0.000 description 1
- 229910009594 Ti2AlN Inorganic materials 0.000 description 1
- 229910009930 Ti2GaC Inorganic materials 0.000 description 1
- 229910009925 Ti2GaN Inorganic materials 0.000 description 1
- 229910009926 Ti2GeC Inorganic materials 0.000 description 1
- 229910009927 Ti2InC Inorganic materials 0.000 description 1
- 229910009928 Ti2InN Inorganic materials 0.000 description 1
- 229910009966 Ti2PbC Inorganic materials 0.000 description 1
- 229910010013 Ti2SnC Inorganic materials 0.000 description 1
- 229910010014 Ti2TlC Inorganic materials 0.000 description 1
- 229910009818 Ti3AlC2 Inorganic materials 0.000 description 1
- 229910009821 Ti3GeC2 Inorganic materials 0.000 description 1
- 229910009817 Ti3SiC2 Inorganic materials 0.000 description 1
- 229910009846 Ti4AlN3 Inorganic materials 0.000 description 1
- 229910033181 TiB2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910008196 Zr2InC Inorganic materials 0.000 description 1
- 229910008255 Zr2PbC Inorganic materials 0.000 description 1
- 229910008248 Zr2SnC Inorganic materials 0.000 description 1
- 229910008244 Zr2TlC Inorganic materials 0.000 description 1
- 229910008237 Zr2TlN Inorganic materials 0.000 description 1
- 229910007948 ZrB2 Inorganic materials 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- LRTTZMZPZHBOPO-UHFFFAOYSA-N [B].[B].[Hf] Chemical compound [B].[B].[Hf] LRTTZMZPZHBOPO-UHFFFAOYSA-N 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 description 1
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 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
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 1
- DFJQEGUNXWZVAH-UHFFFAOYSA-N bis($l^{2}-silanylidene)titanium Chemical compound [Si]=[Ti]=[Si] DFJQEGUNXWZVAH-UHFFFAOYSA-N 0.000 description 1
- GJIKIPCNQLUSQC-UHFFFAOYSA-N bis($l^{2}-silanylidene)zirconium Chemical compound [Si]=[Zr]=[Si] GJIKIPCNQLUSQC-UHFFFAOYSA-N 0.000 description 1
- XTDAIYZKROTZLD-UHFFFAOYSA-N boranylidynetantalum Chemical group [Ta]#B XTDAIYZKROTZLD-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- JEUVAEBWTRCMTB-UHFFFAOYSA-N boron;tantalum Chemical compound B#[Ta]#B JEUVAEBWTRCMTB-UHFFFAOYSA-N 0.000 description 1
- AUVPWTYQZMLSKY-UHFFFAOYSA-N boron;vanadium Chemical compound [V]#B AUVPWTYQZMLSKY-UHFFFAOYSA-N 0.000 description 1
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910021357 chromium silicide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- JAGQSESDQXCFCH-UHFFFAOYSA-N methane;molybdenum Chemical compound C.[Mo].[Mo] JAGQSESDQXCFCH-UHFFFAOYSA-N 0.000 description 1
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021343 molybdenum disilicide Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 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
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910021352 titanium disilicide Inorganic materials 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 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 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910021353 zirconium disilicide Inorganic materials 0.000 description 1
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a kind of lithium battery collector with defencive function, including tinsel, wherein, described tinsel, with two relative first surfaces and second surface, is used 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 is the lithium battery collector of defencive function can effectively prevent lithium battery thermal runaway for this, improve the security performance of lithium battery.
Description
Technical field
The utility model, which is related to a kind of lithium battery collector with defencive function, particularly one kind, will have resistance positive temperature
The conducing composite material layer for spending effect is combined closely in the lithium battery collector on tinsel two sides.
Background technology
Generally, collector the positive pole Al, negative pole Cu of lithium battery.Because aluminium embedding lithium of meeting under low 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
It is used as plus plate current-collecting body.
Polymer-based conducing composite material can maintain relatively low resistance value at a normal temperature, with reacting 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, is used as the material of current sensing.Such material has been widely used in electronic circuit protection
On component.
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 preceding to be in the fast-growing period.But the safety problem of lithium battery is not fully solved always, lithium ion battery is opened up application field
Exhibition so that the voltage and capacity of battery system need more cells to realize, when adding pack in groups, system is set
It is difficult to accomplish perfection in terms of meter, BMS management, 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 trigger 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 are all irreversible, therefore once protection occurs, and battery can not be reused.High molecular PTC temperature-sensitive
Resistance for preventing lithium battery from overheating, still, can be assembled in the macromolecular PTC thermistor of lithium battery external away from battery
Portion's heat generating unit, due to decay of the heat in transmittance process so that macromolecular PTC thermistor can not be detected in time
The abnormal rising of lithium battery interior temperature, it is difficult to protected in the very first time to lithium battery.
Therefore, in order to effectively protect lithium battery much sooner, it is necessary to develop new solution.
The content of the invention
The utility model purpose is：A kind of lithium battery collector with defencive function, should the lithium with defencive function
Battery afflux liquid will be more effective on lithium battery thermal runaway is prevented, the abnormal temperature and abnormal current of lithium battery interior can be done
Go out quick response and protection can be repeated several times.
The purpose of this utility model is achieved through the following technical solutions：A kind of lithium battery collector with defencive function,
Including tinsel, it is included
（a）Described tinsel, with two relative first surfaces and second surface, is used as lithium battery collector
Base paper tinsel；
(b) the first conducing composite material layer with resistance positive temperature degree effect, combine closely in the tinsel the
One surface；
(c) the second conducing composite material layer with resistance positive temperature degree effect, combine closely in the tinsel the
Two surfaces.
The utility model is by the polymer-based conducing composite material with resistance positive temperature degree effect and existing lithium battery afflux
Bluk recombination, obtains a kind of lithium battery collector layer structure, is placed in lithium battery interior, will more have on lithium battery thermal runaway is prevented
Effect, the advantage of this utility model is that it can make quick response and can to the abnormal temperature and abnormal current of lithium battery interior
So that protection is repeated several times.It is that a kind of conducing composite material layer by with resistance positive temperature degree effect is combined closely in tinsel two
The lithium battery collector in face.When lithium battery interior temperature anomaly rises, 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, haloflex, oxidic polyethylene, polyvinyl chloride, butadiene-acrylonitrile
It is copolymer, acrylonitrile-butadiene-styrene copolymer, polystyrene, makrolon, polyamide, polyimides, poly- to benzene two
Formic acid glycol ester, polybutylene terephthalate (PBT), polyphenylene oxide, polyphenylene sulfide, polyformaldehyde, phenolic resin, polytetrafluoroethylene (PTFE),
Tetrafluoraoethylene-hexafluoropropylene copolymer, poly- trifluoro-ethylene, polyvinyl fluoride, maleic anhydride grafted polyethylene, polypropylene, poly- inclined fluorine
One kind in ethene, epoxy resin, ethylene-vinyl acetate copolymer, polymethyl methacrylate, ethylene-acrylic acid copolymer
And its mixture.
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：Copper, nickel, cobalt, iron, tungsten, tin, lead, silver, gold, platinum or one kind in its alloy and its mixing
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
One or more of mixtures 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, the molybdenum of boronation two, the molybdenum of five boronation two, hafnium boride, the tungsten of boronation two, tungsten boride, the chromium of boronation two, chromium boride, two
One kind among chromium boride or the chromium of three boronation five.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, the tantalum of three silication five, silication
Three vanadium, two vanadium silicides, zirconium disilicide, titanium disilicide, the titanium of three silication five, niobium disilicide, molybdenum disilicide, two hafnium suicides, two silication
One kind among tungsten, the chromium of silication three or two chromium silicides.Layered structural ceramics 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 utility model provides a kind of preparation method of the lithium battery collector with defencive function, i.e.,：The conductive composite wood
The bed of material and the method that the tinsel is combined be hot pressing, electrostatic spraying, plasma spray coating, coating, printing, thermal spraying it
In one or more.
The thickness of the lithium battery collector with defencive function is between 5 μm -50 μm, preferably 5 μm -30 μm.
The lithium battery collector with defencive function that the utility model is provided, is advantageous in that：There to be resistance positive temperature
The conducing composite material layer for spending effect is combined closely in the lithium battery collector on tinsel two sides, when lithium battery interior has exception
During temperature, the resistance of the conducing composite material layer with resistance positive stabilization effect will increase severely, cut off circuit, and this will prevent lithium
It is more effective in battery thermal runaway, quick response can be made to the abnormal temperature and abnormal current of lithium battery interior and can be multiple
Repeat to protect.
Brief description of the drawings
Fig. 1 lithium battery current collector structure schematic diagrames of the present utility model with defencive function；
The lithium battery structure schematic diagram that Fig. 2 is prepared using the lithium battery collector of the present utility model with defencive function.
Embodiment
For the lithium battery collector of the present utility model with defencive function, its embodiment is as follows：
In conducing composite material with resistance positive temperature degree effect,
Polymer base material is：Polyethylene, haloflex, oxidic polyethylene, polyvinyl chloride, butadiene-acrylonitrile copolymer
Thing, acrylonitrile-butadiene-styrene copolymer, polystyrene, makrolon, polyamide, polyimides, poly terephthalic acid
Glycol ester, polybutylene terephthalate (PBT), polyphenylene oxide, polyphenylene sulfide, polyformaldehyde, phenolic resin, polytetrafluoroethylene (PTFE), tetrafluoro
Ethene-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 resistivity of conductive powder is not more than 200 μ Ω .cm and particle size distribution range is between 0.01 μm ~ 50 μm, described to lead
Electro-powder 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 to the proportion ingredient of PTC resistor, banbury temperature is set as 180 degree, rotating speed
For 30 revs/min, after first adding polymer banburying 3 minutes, conductive filler is then added, discharges, obtains after continuing banburying 15 minutes
To the conducing composite material with resistance positive temperature degree effect.
The good conducing composite material with resistance positive temperature degree effect of above-mentioned melting mixing is rolled by mill, 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 is had to first, second conducing composite material layer 110a, 110b of resistance positive temperature degree effect, as shown in Figure 1
It is placed in the two sides of metallic copper foil 120.Above-mentioned three are laminated by the method for hot pressing and is closely linked.The temperature of hot pressing
Spend for 180 degrees Celsius, pressure is 12 MPas, the time is 10 minutes, is finally cold-pressed 10 minutes, is obtained shown in Fig. 1 on cold press
The lithium battery collector with defencive function.
Embodiment 2
Conducing composite material proportioning and processing technology with resistance positive temperature degree effect are same as Example 1, simply by gold
Category copper foil is changed to metal aluminum foil.
Application examples 1
Polyethylene, conductivity ceramics powder are pressed to the proportion ingredient of PTC resistor, banbury temperature is set as 180 degree, rotating speed
For 30 revs/min, after first adding polymer banburying 3 minutes, conductive filler is then added, discharges, obtains after continuing banburying 15 minutes
To the conducing composite material with resistance positive temperature degree effect, particle is then ground into.
By the particle of above-mentioned crushing by 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 is 0.05 millimeter.
The lithium battery collector with defencive function prepared can be assembled in lithium battery, as shown in Figure 2.Copper foil
Combine closely the first, second conducing composite material 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 between one negative electrode material layer 250a with the 260a of barrier film one；First positive electrode material layer 240a and the second negative electrode material layer 250b it
Between separated with the 260b of barrier film two, between the second positive electrode material layer 240b and the 260a of barrier film one, and the first negative electrode material layer 250a
It is electrolyte 230b between the 260a of barrier film one；Between first positive electrode material layer 240a and the 260b of barrier film two, and the second negative pole
It is electrolyte 230a between material layer 250b and the 260b of barrier film two, 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
First, second conducing composite material layer 210a, 210b of positive temperature effect resistance 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 and abnormal current of lithium battery interior.
Content and feature of the present utility model have revealed that as above, however the utility model above described only briefly or
Specific part of the present utility model is pertained only to, feature of the present utility model may be more more than what content disclosed herein was related to.Cause
This, protection domain of the present utility model should be not limited to the content disclosed in embodiment, and should be included in institute's body in different piece
The combination of existing all the elements, and it is various without departing substantially from replacement of the present utility model and modification, and be right of the present utility model
Claim is covered.
Claims (3)
1. a kind of lithium battery collector with defencive function, including tinsel, it is characterised in that：It is included
（a）Described tinsel, with two relative first surfaces and second surface, is used 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 according to claim 1 with defencive function, it is characterised in that the tinsel
Thickness is between 1 μm ~ 30 μm.
3. the lithium battery collector according to claim 1 or 2 with defencive function, it is characterised in that described that there is guarantor
The thickness of the lithium battery collector of protective function is between 5 μm -50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050226.1U CN206401423U (en) | 2017-01-17 | 2017-01-17 | Lithium battery collector with defencive function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050226.1U CN206401423U (en) | 2017-01-17 | 2017-01-17 | Lithium battery collector with defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401423U true CN206401423U (en) | 2017-08-11 |
Family
ID=59518733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720050226.1U Expired - Fee Related CN206401423U (en) | 2017-01-17 | 2017-01-17 | Lithium battery collector with defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401423U (en) |
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2017
- 2017-01-17 CN CN201720050226.1U patent/CN206401423U/en not_active Expired - Fee Related
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