JP4293205B2 - 電池 - Google Patents
電池 Download PDFInfo
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- JP4293205B2 JP4293205B2 JP2006149242A JP2006149242A JP4293205B2 JP 4293205 B2 JP4293205 B2 JP 4293205B2 JP 2006149242 A JP2006149242 A JP 2006149242A JP 2006149242 A JP2006149242 A JP 2006149242A JP 4293205 B2 JP4293205 B2 JP 4293205B2
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- separator
- positive electrode
- negative electrode
- exposed region
- polymer electrolyte
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
図1は、本発明における第1の実施の形態の二次電池1の構成を表している。二次電池1は、いわゆるラミネートフィルム型のうち特に巻回型といわれるものであり、正極端子11および負極端子12が取り付けられた巻回型の電池素子20をフィルム状の外装部材30の内部に収容したものである。
図4は、本発明における第2の実施の形態としての二次電池2の構成を表している。二次電池2は、いわゆるラミネートフィルム型のうち特に積層型といわれるものであり、正極端子41および負極端子42が取り付けられた積層型の電池素子50をフィルム状の外装部材61の内部に収納した構成を有している。
図1,2に示した二次電池1を作製した。
露出領域22Cと、セパレータ24とを、高分子電解質23を介して接着する際の加熱温度を変化させたことを除き、他は実施例1−1と同様にして二次電池を作製した。加熱温度は、実施例2−1では75℃とし、実施例2−2では65℃とし、実施例2−3では60℃とした。
高分子化合物として、フッ化ビニリデン91質量部と、ヘキサフルオロプロピレン4質量部と、クロロトリフルオロエチレン5質量部とを共重合させた共重合を用いたことを除き、またはポリメチルメタクリレートを用いたことを除き、他は実施例1−1と同様にして二次電池を作製した。
高分子溶液の塗布量を調整し、高分子電解質23の厚みを変化させたことを除き、他は実施例1−1と同様にして二次電池を作製した。高分子電解質23の厚みは、10μm、1μmまたは0.5μmとした。
次に、図5に示した二次電池2を、上記第2の実施の形態で説明した手順に従って作製した。
Claims (8)
- フィルム状の外装部材の内部に、正極と負極とが、高分子化合物を含む高分子電解質およびセパレータを介して対向配置された電池であって、
前記正極および負極は、いずれも、集電体に活物質層が選択的に設けられたものであり、かつ、前記集電体における活物質層が設けられていない露出領域の一部に取り付けられた端子を有しており、
前記正極および負極のうちの少なくとも一方では、前記端子が取り付けられた露出領域が、前記高分子電解質を介して前記セパレータと接着されている
ことを特徴とする電池。 - 前記正極および負極のうちの少なくとも一方では、前記端子が取り付けられた露出領域と共に、前記端子も前記高分子電解質を介して前記セパレータと接着されている
ことを特徴とする請求項1記載の電池。 - 前記露出領域と、前記セパレータとを剥離した際の剥離強度は、5mN/mm以上であることを特徴とする請求項1または請求項2記載の電池。
- 前記高分子化合物は、フッ化ビニリデンを成分として含む重合体を含有することを特徴とする請求項1または請求項2記載の電池。
- 前記高分子電解質の厚みは、1μm以上であることを特徴とする請求項1または請求項2記載の電池。
- 前記正極および負極が前記セパレータと共に巻回することにより巻回体を構成し、
前記集電体と前記セパレータとの接着領域は、前記巻回体における巻回中心側端部および巻回外周側端部に位置する
ことを特徴とする請求項1または請求項2記載の電池。 - 前記正極と前記負極とが前記セパレータを介して交互に積層されることにより積層体を構成している
ことを特徴とする請求項1記載の電池。 - 前記セパレータは、それぞれ、前記正極および負極の活物質層の形成領域よりも大きく、かつ、上下において外縁部同士が少なくとも一部において前記高分子電解質を介して接着されている
ことを特徴とする請求項7記載の電池。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006149242A JP4293205B2 (ja) | 2005-09-09 | 2006-05-30 | 電池 |
US11/470,686 US7682752B2 (en) | 2005-09-09 | 2006-09-07 | Battery |
CN201510673202.7A CN105355822B (zh) | 2005-09-09 | 2006-09-11 | 电池 |
CN201210110945.XA CN102623709B (zh) | 2005-09-09 | 2006-09-11 | 电池 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005262494 | 2005-09-09 | ||
JP2006149242A JP4293205B2 (ja) | 2005-09-09 | 2006-05-30 | 電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007103342A JP2007103342A (ja) | 2007-04-19 |
JP4293205B2 true JP4293205B2 (ja) | 2009-07-08 |
Family
ID=37855572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006149242A Active JP4293205B2 (ja) | 2005-09-09 | 2006-05-30 | 電池 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7682752B2 (ja) |
JP (1) | JP4293205B2 (ja) |
CN (2) | CN102623709B (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4586820B2 (ja) * | 2007-05-07 | 2010-11-24 | ソニー株式会社 | 巻回型非水電解質二次電池 |
KR101407772B1 (ko) | 2007-05-25 | 2014-06-18 | 삼성에스디아이 주식회사 | 전극조립체 및 그를 이용한 이차전지 |
JP2011048987A (ja) * | 2009-08-26 | 2011-03-10 | Sony Corp | 負極、非水電解質二次電池及びその製造方法 |
KR101103499B1 (ko) | 2009-10-07 | 2012-01-06 | 에스케이이노베이션 주식회사 | 전지용 전극조립체 및 그 제조방법 |
KR101107075B1 (ko) * | 2009-10-28 | 2012-01-20 | 삼성에스디아이 주식회사 | 이차 전지 |
EP2495795B1 (en) * | 2009-10-30 | 2017-08-23 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Lithium secondary battery |
JP2011171108A (ja) * | 2010-02-18 | 2011-09-01 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP5701688B2 (ja) * | 2011-01-31 | 2015-04-15 | 三洋電機株式会社 | 積層式電池およびその製造方法 |
JP5811034B2 (ja) * | 2012-05-28 | 2015-11-11 | 株式会社豊田自動織機 | 非水系蓄電装置及びリチウムイオン二次電池 |
CN103199305A (zh) * | 2013-03-18 | 2013-07-10 | 东莞新能源科技有限公司 | 锂离子电芯及其制备方法 |
JP6219113B2 (ja) * | 2013-09-30 | 2017-10-25 | 株式会社東芝 | 二次電池 |
US10147926B1 (en) * | 2014-04-15 | 2018-12-04 | Amazon Technologies, Inc. | Battery package including electrode having recessed region of electrode material layer exposing a portion of a conductive layer and method of making the same |
KR101870801B1 (ko) | 2016-01-21 | 2018-06-28 | 주식회사 루트제이드 | 박막형 전지 |
CN109449478A (zh) * | 2018-11-05 | 2019-03-08 | 宁德新能源科技有限公司 | 电化学装置 |
KR20210037929A (ko) * | 2019-09-30 | 2021-04-07 | 현대자동차주식회사 | 전기자동차용 배터리 셀 및 이의 제조방법 |
CN113394375B (zh) * | 2021-06-15 | 2023-02-17 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
Family Cites Families (17)
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JPH06150900A (ja) | 1992-11-10 | 1994-05-31 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池の製造法 |
JP3225867B2 (ja) * | 1996-12-18 | 2001-11-05 | 三菱電機株式会社 | リチウムイオン二次電池及びその製造方法 |
JP3474853B2 (ja) * | 1997-12-18 | 2003-12-08 | 三菱電機株式会社 | リチウムイオン二次電池の製造方法 |
JP3428448B2 (ja) * | 1998-08-21 | 2003-07-22 | 三菱電機株式会社 | 電極構造体およびそれを用いた電池 |
JP3428452B2 (ja) * | 1998-08-27 | 2003-07-22 | 三菱電機株式会社 | 渦巻状電極体を備えた電池及びその製造方法 |
JP4568928B2 (ja) * | 1999-07-26 | 2010-10-27 | 株式会社Gsユアサ | 非水電解質電池 |
JP4565713B2 (ja) * | 2000-08-04 | 2010-10-20 | トータル ワイヤレス ソリューショオンズ リミテッド | シート状リチウム電池構造及びシート状リチウム電池の製造方法 |
JP2002324571A (ja) * | 2001-04-26 | 2002-11-08 | Matsushita Electric Ind Co Ltd | 電池の極板群 |
JP2003086233A (ja) * | 2001-09-07 | 2003-03-20 | Mitsubishi Electric Corp | 平板型電池およびその製法 |
JP2003217673A (ja) * | 2002-01-23 | 2003-07-31 | Japan Storage Battery Co Ltd | 非水電解質二次電池およびその製造方法 |
JP2003217674A (ja) | 2002-01-25 | 2003-07-31 | Sony Corp | 非水電解質電池 |
JP4120262B2 (ja) * | 2002-02-26 | 2008-07-16 | ソニー株式会社 | 非水電解質電池 |
JP3664252B2 (ja) * | 2002-11-19 | 2005-06-22 | ソニー株式会社 | 負極およびそれを用いた電池 |
JP4072427B2 (ja) * | 2002-12-13 | 2008-04-09 | シャープ株式会社 | ポリマー電池及びその製造方法 |
JP3975923B2 (ja) * | 2003-01-20 | 2007-09-12 | ソニー株式会社 | 非水電解質電池 |
JP4565812B2 (ja) * | 2003-04-28 | 2010-10-20 | 三洋電機株式会社 | 非水電解質二次電池 |
JP2005044663A (ja) * | 2003-07-23 | 2005-02-17 | Sony Corp | 固体電解質、リチウムイオン電池及びその製造方法 |
-
2006
- 2006-05-30 JP JP2006149242A patent/JP4293205B2/ja active Active
- 2006-09-07 US US11/470,686 patent/US7682752B2/en active Active
- 2006-09-11 CN CN201210110945.XA patent/CN102623709B/zh active Active
- 2006-09-11 CN CN201510673202.7A patent/CN105355822B/zh active Active
Also Published As
Publication number | Publication date |
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CN105355822B (zh) | 2018-07-17 |
JP2007103342A (ja) | 2007-04-19 |
US20070059605A1 (en) | 2007-03-15 |
CN105355822A (zh) | 2016-02-24 |
CN102623709B (zh) | 2016-02-24 |
US7682752B2 (en) | 2010-03-23 |
CN102623709A (zh) | 2012-08-01 |
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