JP2018055968A - リチウムイオン電池及びその製造方法 - Google Patents
リチウムイオン電池及びその製造方法 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 13
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
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- 239000010936 titanium Substances 0.000 description 5
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 1
- HVVRUQBMAZRKPJ-UHFFFAOYSA-N 1,3-dimethylimidazolium Chemical compound CN1C=C[N+](C)=C1 HVVRUQBMAZRKPJ-UHFFFAOYSA-N 0.000 description 1
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
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- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
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- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- ZVLDJSZFKQJMKD-UHFFFAOYSA-N [Li].[Si] Chemical compound [Li].[Si] ZVLDJSZFKQJMKD-UHFFFAOYSA-N 0.000 description 1
- KDHWZXMNULXDFH-UHFFFAOYSA-N [Zn].[Zr] Chemical compound [Zn].[Zr] KDHWZXMNULXDFH-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- DKNRELLLVOYIIB-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-methyl-1-propylpyrrolidin-1-ium Chemical compound CCC[N+]1(C)CCCC1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F DKNRELLLVOYIIB-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
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- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 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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- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
図1及び図2を参照して、本発明の一実施形態であるリチウムイオン電池について詳細を説明する。図1は本発明の一実施形態であるリチウムイオン電池を示す一部破断斜視図、図2は一実施形態であるリチウムイオン電池の一部を取り出して示す一部破断斜視図である。
1 単電池
2 正極
3 負極
4 セパレータ
5 正極電極組成物層
6 負極電極組成物層
7 正極集電体
7a、8a 山部
7b 基部
7c 上部
7d 右側面
7e 頂点
7f 左側面
8 負極集電体
20 筐体
21 第1の筐体
22 第2の筐体
21a、22a 突出部
Claims (4)
- 第1極集電体、第1極活物質層、セパレータ、第2極活物質層及び第2極集電体が順に積層されてなるリチウムイオン電池であって、
前記第1極集電体及び前記第2極集電体は、それぞれ、第1の方向に沿って所定間隔で周期的に形成され、前記第1の方向と異なる第2の方向に突出した複数の山部を有する、波形状断面を有する波形集電体であり、
前記第1極集電体及び前記第2極集電体がそれぞれ有する複数の前記山部は、前記セパレータを介して、相対向する前記山部と交互かつ平行に前記第1の方向に沿って所定間隔で配置され、
前記第1極集電体及び前記第2極集電体のそれぞれの断面において、前記山部の側面とこれに隣り合う前記山部の側面までの最大間隔(△L)と前記山部の頂点から前記山部の底部までの最短距離(Lh)との比(△L:Lh)が1:1〜1:4であり、
前記セパレータの厚さ(Ts)と前記第1極活物質層または前記第2極活物質層の厚さ(Ta)の比(Ts:Ta)が1:100〜1:500であることを特徴とするリチウムイオン電池。 - 前記第1極集電体及び前記第2極集電体のそれぞれが有する前記山部の上部が、第1の前記側面から前記頂点を経て第2の前記側面にかけて連続した曲面を有する請求項1に記載のリチウムイオン電池。
- 第1極集電体、第1極活物質層、セパレータ、第2極活物質層及び第2極集電体が順に積層されてなるリチウムイオン電池の製造方法であって、
第1の方向に沿って所定間隔で周期的に、かつ前記第1の方向と異なる第2の方向に突出した複数の山部を有する波形状断面を有する前記第1極集電体及び前記第2極集電体を成形する集電体成形工程と、
前記集電体成形工程により成形された前記第1極集電体及び前記第2極集電体の表面に沿って前記第1極活物質層及び前記第2極活物質層をそれぞれ成形する電極組成物成形工程と、
前記電極組成物成形工程により成形された前記第1極活物質層及び前記第2極活物質層の少なくともいずれかの表面に沿って前記セパレータを配置するセパレータ配置工程と、
前記セパレータ配置工程により配置された前記セパレータを介して前記第1極活物質層と前記第2極活物質層とを密着対向させる組立工程と
を備えることを特徴とするリチウムイオン電池の製造方法。 - 請求項3に記載のリチウムイオン電池の製造方法において、
前記第1極活物質層及び/又は前記第2極活物質層は、高分子化合物を含んでなる被覆層を有する電極活物質を含むことを特徴とするリチウムイオン電池の製造方法。
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