JP2006269425A - 二次電池および二次電池の製造方法 - Google Patents
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- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
- H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
- H05B3/347—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles woven fabrics
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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Abstract
【解決手段】本発明によれば,セパレータとセパレータを介在させて積層された正極および負極とを含む電極群25と,酸化被膜を含む絶縁層144が表面に形成され,電極群が収容されるケース14と,を含む二次電池30が提供される。かかる二次電池によれば,電極群が収容されるケースの表面に酸化被膜を含む絶縁層が形成されることで,二次電池と外部の導電体との間の接触により生じる,二次電池の短絡または漏電を防止しうる。これにより,二次電池の絶縁性とともに,構造的な安全性および信頼性が向上されうる。
【選択図】図1
Description
12 負極
13 セパレータ
14 ケース
141 ケース本体
142 正極酸化被膜
144 絶縁層
25 電極群
30 単位電池
31 正極端子
32 負極端子
33 キャッププレート
34 連結具
35 隔壁
Claims (12)
- セパレータと前記セパレータを介在させて積層された正極および負極とを含む電極群と,
酸化被膜を含む絶縁層が表面に形成され,前記電極群が収容されるケースと,
を含むことを特徴とする,二次電池。 - 前記絶縁層は,前記酸化被膜に形成された有機物層または無機物層をさらに含むことを特徴とする,請求項1に記載の二次電池。
- 前記酸化被膜は,正極酸化被膜であることを特徴とする,請求項1または2に記載の二次電池。
- 前記正極酸化被膜は,30μm〜100μmの厚さに形成されることを特徴とする,請求項3に記載の二次電池。
- 前記正極酸化被膜は,酸化アルミニウムからなることを特徴とする,請求項3に記載の二次電池。
- 前記絶縁層は,前記ケースの外側表面に形成されることを特徴とする,請求項1または2に記載の二次電池。
- 前記二次電池は,モータ駆動用として用いられることを特徴とする,請求項1または2に記載の二次電池。
- セパレータと前記セパレータを介在させた正極および負極とを積層して電極群を形成する段階と,
前記電極群が収容されるケースに絶縁層を形成する段階と,
前記ケースに前記電極群を収容して前記ケースを密閉する段階と,
を含むことを特徴とする,二次電池の製造方法。 - 前記絶縁層を形成する段階は,正極酸化処理によって正極酸化被膜を形成する段階を含むことを特徴とする,請求項8に記載の二次電池の製造方法。
- 前記絶縁層を形成する段階は,前記正極酸化被膜を有機物封孔処理する段階をさらに含むことを特徴とする,請求項9に記載の二次電池の製造方法。
- 前記正極酸化被膜は,30μm〜100μmの厚さに形成されることを特徴とする,請求項9に記載の二次電池の製造方法。
- 前記正極酸化被膜は,低温硫酸法によって形成されることを特徴とする,請求項9に記載の二次電池の製造方法。
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KR1020050023207A KR100648731B1 (ko) | 2005-03-21 | 2005-03-21 | 이차전지 및 이의 제조 방법 |
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US (1) | US20060208700A1 (ja) |
JP (1) | JP2006269425A (ja) |
KR (1) | KR100648731B1 (ja) |
CN (1) | CN100449847C (ja) |
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JP2015506562A (ja) * | 2012-02-07 | 2015-03-02 | エルジー・ケム・リミテッド | 新規な構造の内蔵型電池セル |
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US9178204B2 (en) | 2009-12-07 | 2015-11-03 | Samsung Sdi Co., Ltd. | Rechargeable battery |
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Cited By (7)
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KR101223516B1 (ko) * | 2009-12-07 | 2013-01-17 | 로베르트 보쉬 게엠베하 | 이차 전지 |
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JP2015506562A (ja) * | 2012-02-07 | 2015-03-02 | エルジー・ケム・リミテッド | 新規な構造の内蔵型電池セル |
US9831474B2 (en) | 2012-02-07 | 2017-11-28 | Lg Chem, Ltd. | Battery cell of novel embedded type structure |
JP2015536526A (ja) * | 2012-10-18 | 2015-12-21 | バイエリッシェ モートーレン ウエルケ アクチエンゲゼルシャフトBayerische Motoren Werke Aktiengesellschaft | エネルギ貯蔵セルおよびエネルギ貯蔵モジュール |
JP2015049942A (ja) * | 2013-08-29 | 2015-03-16 | 株式会社Gsユアサ | 蓄電素子、蓄電モジュール及び容器 |
Also Published As
Publication number | Publication date |
---|---|
CN100449847C (zh) | 2009-01-07 |
KR20060101669A (ko) | 2006-09-26 |
KR100648731B1 (ko) | 2006-11-23 |
CN1838461A (zh) | 2006-09-27 |
US20060208700A1 (en) | 2006-09-21 |
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