JP2012199020A - 電池、電池用のセパレータ及び電池用のセパレータの製造方法 - Google Patents
電池、電池用のセパレータ及び電池用のセパレータの製造方法 Download PDFInfo
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- 239000007773 negative electrode material Substances 0.000 claims abstract description 28
- 238000010248 power generation Methods 0.000 claims description 9
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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- 239000004698 Polyethylene Substances 0.000 description 2
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- 229910052744 lithium Inorganic materials 0.000 description 2
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 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 1
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- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 229910001416 lithium ion Inorganic materials 0.000 description 1
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- 159000000002 lithium salts Chemical class 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
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- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
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- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
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- 239000002243 precursor Substances 0.000 description 1
- KUKFKAPJCRZILJ-UHFFFAOYSA-N prop-2-enenitrile;prop-2-enoic acid Chemical compound C=CC#N.OC(=O)C=C KUKFKAPJCRZILJ-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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- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
【解決手段】セパレータ30は、負極箔21の一端部を除いた両面に負極活物質層22を積層した負極板20と正極箔11の一端部を除いた両面に正極活物質層12を積層した正極板10との間に挟まれる。そして、セパレータ30は、負極板20の負極活物質層22に重ね合わされる基材層31と正極板10の正極活物質層12に重ね合わされる無機層32とが積層され、各端部30aが負極活物質層22の端縁及び正極活物質層12の端縁から突出している。そして、セパレータ30は、少なくとも正極箔11に対峙する端部30aに、正極活物質層12と重なり合う面32aとなす角度θが鈍角のテーパ面33が形成されている。
【選択図】図1
Description
11……正極箔
11a…一端部
12……正極活物質層
20……負極板
21……負極箔
21a…一端部
22……負極活物質層
30……セパレータ
30a…端部
30b…内寄部
31……基材層
32……無機層
32a…重なり合う面
33……テーパ面
100…発電要素
θ………角度
Claims (5)
- 負極箔の一端部を除いた両面に負極活物質層を積層した負極板と正極箔の一端部を除いた両面に正極活物質層を積層した正極板との間に挟まれる電池用のセパレータであって、
前記負極板の負極活物質層又は前記正極板の正極活物質層に重ね合わされる基材層と前記正極板の正極活物質層又は前記負極板の負極活物質層に重ね合わされる無機層とが積層され、少なくとも正極箔又は負極箔と対峙する無機層の端部に、正極活物質層又は負極活物質層と重なり合う面に対して鈍角をなすテーパ面が形成されていることを特徴とする電池用のセパレータ。 - 前記基材層の端部にも、前記無機層のテーパ面に連続するテーパ面が形成されていることを特徴とする請求項1に記載の電池用のセパレータ。
- 前記テーパ面は、無機層と対峙する正極箔又は負極箔側に曲がった際に、無機層と対峙する正極箔又は負極箔と重なり合う角度に形成されていることを特徴とする請求項1に記載の電池用のセパレータ。
- 帯状の正極板と帯状の負極板との間に帯状のセパレータを介在させた発電要素が電池ケース内に収納された電池であって、
請求項1ないし3のいずれか一項に記載のセパレータが備えられていることを特徴とする電池。 - 請求項1に記載の電池用のセパレータの製造方法であって、
均等な厚さの基材層に均等な厚さの無機層を積層した後、無機層の端部をエッジから次第に肉厚になるような斜め向きにカットする、又は斜め向きにプレスすることでテーパ面を形成することを特徴とする電池用のセパレータの製造方法。
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|---|---|---|---|
| JP2011061314A JP5692644B2 (ja) | 2011-03-18 | 2011-03-18 | 電池、電池用のセパレータ及び電池用のセパレータの製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011061314A JP5692644B2 (ja) | 2011-03-18 | 2011-03-18 | 電池、電池用のセパレータ及び電池用のセパレータの製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2012199020A true JP2012199020A (ja) | 2012-10-18 |
| JP2012199020A5 JP2012199020A5 (ja) | 2014-04-17 |
| JP5692644B2 JP5692644B2 (ja) | 2015-04-01 |
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| JP (1) | JP5692644B2 (ja) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017130269A (ja) * | 2016-01-18 | 2017-07-27 | 株式会社Gsユアサ | 蓄電素子 |
| JP2017130268A (ja) * | 2016-01-18 | 2017-07-27 | 株式会社Gsユアサ | 蓄電素子 |
| JP2017191772A (ja) * | 2017-03-30 | 2017-10-19 | 住友化学株式会社 | 多孔質セパレータ長尺、その捲回体、その製造方法及びリチウムイオン電池 |
| JP2017204353A (ja) * | 2016-05-10 | 2017-11-16 | 株式会社Gsユアサ | 蓄電素子 |
| CN109273648A (zh) * | 2016-04-15 | 2019-01-25 | 住友化学株式会社 | 多孔质间隔件条带、其卷绕体、其制造方法及锂离子电池 |
| US10505229B2 (en) | 2015-02-17 | 2019-12-10 | Gs Yuasa International Ltd. | Energy storage device, energy storage apparatus, and automobile |
| US10727463B2 (en) | 2016-04-15 | 2020-07-28 | Sumitomo Chemical Company, Limited | Long porous separator sheet, method for producing the same, roll, and lithium-ion battery |
| CN112751142A (zh) * | 2019-10-31 | 2021-05-04 | 美商映能量公司 | 具有集成陶瓷分隔体的电化学电池 |
| JP2024504665A (ja) * | 2021-10-07 | 2024-02-01 | エルジー エナジー ソリューション リミテッド | 電気化学素子用セパレーター、これを含む電極組立体及び二次電池 |
| JP2024519826A (ja) * | 2022-01-13 | 2024-05-21 | エルジー エナジー ソリューション リミテッド | 電極組立体及びこれを含む電気化学素子 |
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