JP6125182B2 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
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- JP6125182B2 JP6125182B2 JP2012202928A JP2012202928A JP6125182B2 JP 6125182 B2 JP6125182 B2 JP 6125182B2 JP 2012202928 A JP2012202928 A JP 2012202928A JP 2012202928 A JP2012202928 A JP 2012202928A JP 6125182 B2 JP6125182 B2 JP 6125182B2
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- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 239000011246 composite particle Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
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- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
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- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- UUAMLBIYJDPGFU-UHFFFAOYSA-N 1,3-dimethoxypropane Chemical compound COCCCOC UUAMLBIYJDPGFU-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
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- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- FKQOMXQAEKRXDM-UHFFFAOYSA-N [Li].[As] Chemical compound [Li].[As] FKQOMXQAEKRXDM-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- FDLZQPXZHIFURF-UHFFFAOYSA-N [O-2].[Ti+4].[Li+] Chemical compound [O-2].[Ti+4].[Li+] FDLZQPXZHIFURF-UHFFFAOYSA-N 0.000 description 1
- BTFOWJRRWDOUKQ-UHFFFAOYSA-N [Si]=O.[Sn] Chemical compound [Si]=O.[Sn] BTFOWJRRWDOUKQ-UHFFFAOYSA-N 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- SWAIALBIBWIKKQ-UHFFFAOYSA-N lithium titanium Chemical compound [Li].[Ti] SWAIALBIBWIKKQ-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
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Description
以下に、本願出願の当初の特許請求の範囲に記載された発明を付記する。
[1]
集電体と、
前記集電体に形成される活物質含有層と、
前記集電体と電気的に接続される集電タブと、
前記活物質含有層及び前記集電タブの表面の一部に付着した絶縁性物質と
を含むことを特徴とする電極。
[2]
前記絶縁性物質は、前記活物質含有層及び前記集電タブの表面の一部に散在して付着していることを特徴とする[1]記載の電極。
[3]
前記絶縁性物質は、前記活物質含有層及び前記集電タブの表面の一部に規則性をもって付着していることを特徴とする[1]記載の電極。
[4]
前記絶縁性物質は、熱可塑性樹脂または熱硬化性樹脂であることを特徴とする[2]または[3]記載の電極。
[5]
前記絶縁性物質の付着は、バインダー、塗工、スプレー、静電塗装、インクジェット、グラビア印刷、オフセット印刷、スクリーン印刷または転写によるものであることを特徴とする[2]または[3]記載の電極。
[6]
前記絶縁性物質は、直径0.001μm以上1mm以下の球状粒子、または直径0.001μm以上1mm以下で、かつ長さ0.001μm以上1000mm以下の繊維状粒子、もしくは前記球状粒子と前記繊維状粒子の混合物であることを特徴とする[2]または[3]記載の電極。
[7]
前記絶縁性物質は、単独の粒子か、複数の粒子の集合体の形態で前記活物質含有層及び前記集電タブの表面の一部に付着していることを特徴とする[2]または[3]記載の電極。
[8]
正極及び負極のうち少なくとも一方の電極に、[1]〜[7]いずれか1項記載の電極を用いることを特徴とする電池。
[9]
前記正極及び前記負極に[1]〜[7]いずれか1項記載の電極を用い、前記正極の前記絶縁性物質と前記負極の前記絶縁性物質が互いに接触するように前記正極と前記負極が積層されていることを特徴とする[8]記載の電池。
Claims (6)
- 正極と、負極と、前記正極及び前記負極の間に介在したセパレータと、電解液とを備え、
前記正極は、正極集電体と、前記正極集電体に形成される正極活物質含有層と、前記正極集電体と電気的に接続される正極集電タブとを含み、
前記負極は、負極集電体と、前記負極集電体に形成される負極活物質含有層と、前記負極集電体と電気的に接続される負極集電タブとを含み、
前記セパレータは、前記正極活物質含有層の表面及び前記正極集電タブの表面の一部に、複数箇所に分散して付着した絶縁性物質と、前記負極活物質含有層の表面及び前記負極集電タブの表面の一部に、複数箇所に分散して付着した絶縁性物質とからなり、
前記正極の絶縁性物質の一部と前記負極の絶縁性物質の一部とは、交差するように重なっており、
前記正極及び負極の絶縁性物質は、前記電解液に不溶性の材料からなる非水電解質二次電池。 - 前記正極及び負極の絶縁性物質の少なくとも一方は、前記正極活物質含有層又は前記負極活物質含有層並びに前記正極集電タブ又は前記負極集電タブの表面の一部に規則性をもって付着している請求項1記載の非水電解質二次電池。
- 前記正極及び負極の絶縁性物質の少なくとも一方は、熱可塑性樹脂または熱硬化性樹脂である請求項1または2記載の非水電解質二次電池。
- 前記正極及び負極の絶縁性物質の少なくとも一方の付着は、バインダー、塗工、スプレー、静電塗装、インクジェット、グラビア印刷、オフセット印刷、スクリーン印刷または転写によるものである請求項1乃至3のいずれか1項に記載の非水電解質二次電池。
- 前記正極及び負極の絶縁性物質の少なくとも一方は、直径0.001μm以上1mm以下の球状粒子、または直径0.001μm以上1mm以下で、かつ長さ0.001μm以上1000mm以下の繊維状粒子、もしくは前記球状粒子と前記繊維状粒子の混合物である請求項1乃至4のいずれか1項に記載の非水電解質二次電池。
- 前記正極及び負極の絶縁性物質の少なくとも一方は、単独の粒子か、複数の粒子の集合体の形態にある請求項1乃至4のいずれか1項に記載の非水電解質二次電池。
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CN110178247A (zh) * | 2016-11-04 | 2019-08-27 | 株式会社杰士汤浅国际 | 蓄电元件用电极、蓄电元件和蓄电元件用电极的制造方法 |
JP7157619B2 (ja) * | 2018-10-17 | 2022-10-20 | 株式会社日立製作所 | 二次電池、電池パック及び電力システム |
Family Cites Families (12)
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JPH10241655A (ja) * | 1997-02-27 | 1998-09-11 | Asahi Chem Ind Co Ltd | 電 池 |
JP3613400B2 (ja) * | 1997-02-28 | 2005-01-26 | 旭化成エレクトロニクス株式会社 | 非水系二次電池およびその製造方法 |
JP4392881B2 (ja) * | 1998-11-04 | 2010-01-06 | アオイ電子株式会社 | リチウム二次電池 |
JP3937422B2 (ja) * | 2000-03-23 | 2007-06-27 | ソニー株式会社 | リチウムイオン電池およびその製造方法 |
JP2003157823A (ja) * | 2001-11-20 | 2003-05-30 | Matsushita Battery Industrial Co Ltd | 二次電池およびその製造方法 |
JP3953026B2 (ja) * | 2003-12-12 | 2007-08-01 | 松下電器産業株式会社 | リチウムイオン二次電池用極板およびリチウムイオン二次電池並びにその製造方法 |
JP4529511B2 (ja) * | 2004-03-30 | 2010-08-25 | パナソニック株式会社 | リチウムイオン電池 |
JP2005310619A (ja) * | 2004-04-23 | 2005-11-04 | Matsushita Electric Ind Co Ltd | リチウムイオン二次電池 |
JP4649993B2 (ja) * | 2005-01-12 | 2011-03-16 | パナソニック株式会社 | リチウム二次電池およびその製造方法 |
US20080311479A1 (en) * | 2005-12-06 | 2008-12-18 | Lg Chem, Ltd. | Electrode With Enhanced Safety and Electrochemical Device Having the Same |
JP5365842B2 (ja) * | 2009-02-20 | 2013-12-11 | トヨタ自動車株式会社 | リチウムイオン電池 |
JP2012033312A (ja) * | 2010-07-29 | 2012-02-16 | Konica Minolta Holdings Inc | セパレータ電極複合体、セパレータ電極複合体の製造方法及び非水電解液二次電池 |
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