JP5922019B2 - ニッケル−亜鉛セル用の熱密封セパレータの密封方法、及び、ジェリイロール電極集合体 - Google Patents
ニッケル−亜鉛セル用の熱密封セパレータの密封方法、及び、ジェリイロール電極集合体 Download PDFInfo
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- JP5922019B2 JP5922019B2 JP2012528125A JP2012528125A JP5922019B2 JP 5922019 B2 JP5922019 B2 JP 5922019B2 JP 2012528125 A JP2012528125 A JP 2012528125A JP 2012528125 A JP2012528125 A JP 2012528125A JP 5922019 B2 JP5922019 B2 JP 5922019B2
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Images
Classifications
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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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
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Description
[適用例1]
二個の電極を有するジェリイロール集合体の第一電極の両側に位置してその端部を越えて延びる第一セットのセパレータ層を選択的に密封し、この際、前記第一電極の端部に平行で近隣に在る第二電極の端部の両側に位置してそれを越えて延びる第二セットのセパレータ層を密封することなく、前記ジェリイロール集合体の同じ端部を熱源に晒しながら前記第一セットのセパレータ層を選択的に密封する、方法。
[適用例2]
適用例1に記載の方法であって、
前記第一セットのセパレータ層を選択的に密封する工程は、
i)前記熱源が前記ジェリイロール集合体の同じ端部に当てられる時に、前記第一セットのセパレータ層は前記第一電極に密着することが可能であるが前記第二セットのセパレータ層は前記第二電極に密着したり包み込むことが物理的に防止されるように、前記第二電極の電流収集下地層を構成する工程と、
ii)前記ジェリイロール集合体の同じ端部に前記熱源を当てる工程と、
を含む、方法。
[適用例3]
適用例2に記載の方法であって、
前記第二電極の電流収集下地層を構成する工程は、実質的に前記第一電極の電流収集下地層に接触することなく前記第一電極の電流収集下地層を覆うように前記第二電極の電流収集下地層を折り曲げる工程を含み、これによって、実質上包み込まれた体積が形成されて、前記第一セットのセパレータ層及び前記第二セットのセパレータ層のうちの隣接したセパレータ層が前記実質上包み込まれた体積の中に位置するように前記第二電極の電流収集下地層が折り曲げられる方法。
[適用例4]
適用例1に記載の方法であって、
前記第一セットのセパレータ層を選択的に密封する工程は、
i)前記第一セットのセパレータ層には前記熱源が当てられる時に前記第一電極に密着して包み込むことが可能な層が含まれるが、前記第二セットのセパレータ層には前記熱源が当てられる時に前記第二電極に密着して包み込むことが不可能な層が含まれるように前記ジェリイロール集合体を構成する工程と、
ii)前記ジェリイロール集合体の同じ端部に熱源を当てる工程と、
を含む、方法。
[適用例5]
適用例1に記載の方法であって、
前記第一セットのセパレータ層及び前記第二セットのセパレータ層は夫々異なる融点を持つものである、方法。
[適用例6]
適用例1に記載の方法であって、
前記第一セットのセパレータ層はポリプロピレン層であり、前記第二セットのセパレータ層はセルローズに基づく層である、方法。
[適用例7]
適用例6に記載の方法であって、
前記第二セットのセパレータ層はポリビニルアルコールで含浸されたセルローズである、方法。
[適用例8]
適用例7に記載の方法であって、
前記熱源には対流式熱源、誘電式熱源、伝導式熱源、及び放射式熱源の中の少なくとも一種が含まれる、方法。
[適用例9]
適用例8に記載の方法であって、
前記熱源は伝導式熱源である、方法。
[適用例10]
適用例9に記載の方法であって、
前記伝導式熱源は加熱されたプラテンである、方法。
[適用例11]
適用例10に記載の方法であって、
前記ジェリイロールの同じ端部は、前記加熱されたプラテンに約3秒〜約10秒の間接触されるものであり、前記プラテンの温度は約300°C〜600°Cの間である、方法。
[適用例12]
適用例11に記載の方法であって、
前記ジェリイロールは、前記加熱されたプラテンに約0.5kg/cm 2 〜約5kg/cm 2 との間の力で接触される、方法。
[適用例13]
適用例1に記載の方法であって、
前記第一電極は亜鉛電極であり、前記第二電極はニッケル電極である、方法。
[適用例14]
ジェリイロール電極集合体であって、
i)第一セットのセパレータ層の間に位置される第一電極、及び
ii)第二セットのセパレータ層の間に位置される第二電極を含み、
前記ジェリイロール電極集合体の同じ端部において前記第一電極と前記第二電極の一方がその対応するセパレータ層で包み込まれ、他方の電極が前記セパレータ層で包み込まれていない、ジェリイロール電極集合体。
[適用例15]
適用例14にジェリイロール電極集合体であって、
前記第一電極は亜鉛電極であり、前記第二電極はニッケル電極である、ジェリイロール電極集合体。
[適用例16]
適用例15にジェリイロール電極集合体であって、
前記第一セットのセパレータ層はポリプロピレン層を含む、ジェリイロール電極集合体。
[適用例17]
適用例16にジェリイロール電極集合体であって、
前記第二セットのセパレータ層はポリビニルアルコールで含浸されたセルローズを含む、ジェリイロール電極集合体。
[適用例18]
適用例15にジェリイロール電極集合体であって、
前記ジェリイロール電極集合体の両端部で、前記第一電極と前記第二電極の一方はそれに対応するセットのセパレータ層で包み込まれ、他方の電極はそのセットのセパレータ層で包み込まれていない、ジェリイロール電極集合体。
上記及びその他の特徴及び利点は図を参照して以下説明される。
Ni(OH)2+OH− → NiOOH+H2O+e− (1)
ZnO+2OH−+H2O → Zn(OH)4 2− (2)
及び
Zn(OH)4 2−+2e− → Zn+4OH− (3)
ZnO+H2O+2e− → Zn+2OH-+2e− (4)
Zn+2NiOOH+H2O = ZnO+2Ni(OH)2 (5)
Claims (17)
- 二個の電極を有するジェリイロール集合体の第一電極の両側に位置して前記第一電極の前記ジェリイロール集合体の軸方向の第1の方向の端部を越えて延びる第一セットのセパレータ層を選択的に密封し、この際、前記第一電極の前記ジェリイロール集合体の軸方向の第1の方向の端部に平行で近隣に在る第二電極の前記ジェリイロール集合体の軸方向の第1の方向の端部の両側に位置して前記第二電極の前記ジェリイロール集合体の軸方向の第1の方向の端部を越えて延びる第二セットのセパレータ層を密封することなく、前記ジェリイロール集合体の同じ軸方向の第1の方向の端部を熱源に晒しながら前記第一セットのセパレータ層を選択的に密封する工程を備え、
前記第一セットのセパレータ層を選択的に密封する工程は、
i)前記熱源が前記ジェリイロール集合体の同じ軸方向の第1の方向の端部に当てられる時に、前記第一セットのセパレータ層は前記第一電極に密着することが可能であるが前記第二セットのセパレータ層は前記第二電極に密着したり包み込むことが物理的に防止されるように、前記第二電極の電流収集下地層を前記第二セットのセパレータ層より延長するように構成する工程と、
ii)前記ジェリイロール集合体の同じ軸方向の第1の方向の端部に前記熱源を当てる工程と、
を含む、方法。 - 請求項1に記載の方法であって、
前記第二電極の電流収集下地層を構成する工程は、実質的に前記第一電極の電流収集下地層に接触することなく前記第一電極の電流収集下地層を覆うように前記第二電極の電流収集下地層を折り曲げる工程を含み、前記第二電極の電流収集下地層を折り曲げる工程これによって、実質上包み込まれた体積が形成されて、前記第一セットのセパレータ層及び前記第二セットのセパレータ層のうちの隣接したセパレータ層が前記実質上包み込まれた体積の中に位置するように前記第二電極の電流収集下地層が折り曲げられる方法。 - 請求項1に記載の方法であって、
前記第一セットのセパレータ層を選択的に密封する工程は、
i)前記第一セットのセパレータ層には前記熱源が当てられる時に前記第一電極に密着して包み込むことが可能な層が含まれるが、前記第二セットのセパレータ層には前記熱源が当てられる時に前記第二電極に密着して包み込むことが不可能な層が含まれるように前記ジェリイロール集合体を構成する工程と、
ii)前記ジェリイロール集合体の同じ軸方向の第1の方向の端部に熱源を当てる工程と、
を含む、方法。 - 請求項1に記載の方法であって、
前記第一セットのセパレータ層及び前記第二セットのセパレータ層は夫々異なる融点を持つものである、方法。 - 請求項1に記載の方法であって、
前記第一セットのセパレータ層はポリプロピレン層であり、前記第二セットのセパレータ層はセルローズに基づく層である、方法。 - 請求項5に記載の方法であって、
前記第二セットのセパレータ層はポリビニルアルコールで含浸されたセルローズである、方法。 - 請求項6に記載の方法であって、
前記熱源には対流式熱源、誘電式熱源、伝導式熱源、及び放射式熱源の中の少なくとも一種が含まれる、方法。 - 請求項7に記載の方法であって、
前記熱源は伝導式熱源である、方法。 - 請求項8に記載の方法であって、
前記伝導式熱源は加熱されたプラテンである、方法。 - 請求項9に記載の方法であって、
前記ジェリイロール集合体の同じ軸方向の第1の方向の端部は、前記加熱されたプラテンに3秒〜10秒の間接触されるものであり、前記プラテンの温度は300°C〜600°Cの間である、方法。 - 請求項10に記載の方法であって、
前記ジェリイロール集合体は、前記加熱されたプラテンに0.5kg/cm 2 〜5kg/cm 2 との間の力で接触される、方法。 - 請求項1に記載の方法であって、
前記第一電極は亜鉛電極であり、前記第二電極はニッケル電極である、方法。 - ジェリイロール電極集合体であって、
i)第一セットのセパレータ層の間に位置される亜鉛負電極、及び
ii)第二セットのセパレータ層の間に位置されるニッケル正電極を含み、
前記ジェリイロール電極集合体の同じ軸方向の第1の方向の端部において前記亜鉛負電極は、前記亜鉛負電極に対応するセパレータ層で包み込まれ、前記ニッケル正電極は、前記ニッケル正電極に対応するセパレータ層で包み込まれておらず、セパレータ層の包み込みセットは、シールされたポリオレフィン層のセットであり、前記ニッケル正電極は、負電極を越えて折り曲げられ、シールされたポリオレフィン層のセットを越えて折り曲げられる電流収集下地層を備え、前記電流収集下地層の折り曲げ部は、電流コレクタ円板または缶と接触するように構成される、ジェリイロール電極集合体。 - 請求項13に記載のジェリイロール電極集合体であって、
前記折り曲げられた電流収集下地層は、泡状のニッケルを含む、ジェリイロール電極集合体。 - 請求項13に記載のジェリイロール電極集合体であって、
前記シールされたセットポリオレフィン層は、ポリプロピレン層のセットを含む、ジェリイロール電極集合体。 - 請求項15に記載のジェリイロール電極集合体であって、
前記第二セットのセパレータ層はポリビニルアルコールで含浸されたセルローズを含む、ジェリイロール電極集合体。 - 請求項13に記載のジェリイロール電極集合体であって、
前記ジェリイロール電極集合体の軸方向の第1の方向と反対の第2の方向の端部で、前記亜鉛負電極と前記ニッケル正電極の一方は、前記亜鉛負電極と前記ニッケル正電極の一方の電極に対応するセットのセパレータ層で包み込まれ、他方の電極は前記他方の電極に対応するセットのセパレータ層で包み込まれていない、ジェリイロール電極集合体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24060009P | 2009-09-08 | 2009-09-08 | |
US61/240,600 | 2009-09-08 | ||
PCT/US2010/048154 WO2011031778A1 (en) | 2009-09-08 | 2010-09-08 | Heat sealing separators for nickel zinc cells |
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EP (1) | EP2476156B1 (ja) |
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KR20130130495A (ko) * | 2012-05-22 | 2013-12-02 | 삼성에스디아이 주식회사 | 전극 어셈블리, 이의 제조 방법, 및 이차 전지 |
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2010
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- 2010-09-08 EP EP10751759.1A patent/EP2476156B1/en active Active
- 2010-09-08 CN CN201080039867.8A patent/CN102484279B/zh active Active
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US20120279056A1 (en) | 2012-11-08 |
US20110059343A1 (en) | 2011-03-10 |
US8597379B2 (en) | 2013-12-03 |
CN102484279B (zh) | 2015-06-17 |
EP2476156A1 (en) | 2012-07-18 |
JP2013504169A (ja) | 2013-02-04 |
CN102484279A (zh) | 2012-05-30 |
KR101785122B1 (ko) | 2017-10-12 |
EP2476156B1 (en) | 2017-04-05 |
WO2011031778A1 (en) | 2011-03-17 |
KR20120083394A (ko) | 2012-07-25 |
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