JP2014510386A - 金属繊維を含む電極構造体を有する電池、及び前記電極構造体の製造方法 - Google Patents
金属繊維を含む電極構造体を有する電池、及び前記電極構造体の製造方法 Download PDFInfo
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Abstract
Description
、充放電効率及びサイクル特性が向上した電池を提供することができる。
Claims (18)
- 一つ以上の金属繊維により形成された導電性ネットワークと、
前記導電性ネットワークに束縛された粒子状の電気的活物質を含む粒子組成物と、を含むことを特徴とする電極構造体を有する電池。 - 前記金属繊維は、ランダムに互いに物理的にのみ接触して、互いに結合され、前記導電性ネットワークは、不織布構造を有することを特徴とする請求項1に記載の電極構造体を有する電池。
- 前記粒子組成物は、導電材、結着材及び多孔性セラミック粒子のうちいずれか一つまたは全てをさらに含むことを特徴とする請求項1に記載の電極構造体を有する電池。
- 前記結着材は、前記金属繊維と前記第1電気的活物質との間、及び前記第1電気的活物質の間に、点結着の形態で提供されることを特徴とする請求項3に記載の電極構造体を有する電池。
- 前記金属繊維は、1μmないし200μmの範囲内の厚さを有することを特徴とする請求項1に記載の電極構造体を有する電池。
- 前記金属繊維は、2μmないし20μmの範囲内の厚さを有することを特徴とする請求項1に記載の電極構造体を有する電池。
- 前記金属繊維は、ステンレス鋼、アルミニウム、ニッケル、チタン及び銅、またはそれらの合金のうちいずれか一つまたはそれらの組み合わせを含むことを特徴とする請求項1に記載の電極構造体を有する電池。
- 前記金属繊維の平均厚さdに対する前記粒子状の電気的活物質の平均サイズsの比s/dは、0.01ないし10であることを特徴とする請求項1に記載の電極構造体を有する電池。
- 導電性ネットワークを形成する一つ以上の金属繊維を提供するステップと、
粒子状の電気的活物質を含む粒子組成物を提供するステップと、
前記金属繊維と、前記粒子組成物とを混合するステップと、
混合された前記金属繊維と、前記粒子組成物とを圧着するステップと、を含むことを特徴とする電極構造体の製造方法。 - 前記金属繊維は、ランダムに配列されて、不織布構造を有する繊維層状に提供されることを特徴とする請求項9に記載の電極構造体の製造方法。
- 前記混合するステップにおいて、
前記粒子組成物は、前記繊維層上に、無溶媒の乾式粉体状に提供されることを特徴とする請求項10に記載の電極構造体の製造方法。 - 前記混合するステップは、前記導電性ネットワーク内に、前記粒子組成物を振り掛けることによって行われることを特徴とする請求項9に記載の電極構造体の製造方法。
- 前記粒子組成物は、前記粒子状の電気的活物質と共に混合される結着材粒子、導電材粒子及び多孔性セラミック粒子のうちいずれか一つ、またはそれらの組み合わせから選択された外添剤を含み、
前記外添剤と前記電気的活物質の前記混合は、乾式ミキシング工程を通じて行われることを特徴とする請求項9に記載の電極構造体の製造方法。 - 前記一つ以上の金属繊維を提供するステップは、前記金属繊維の表面上に、結着材をプリコーティングするステップを含むことを特徴とする請求項9に記載の電極構造体の製造方法。
- 前記粒子組成物は、前記粒子状の電気的活物質と共に混合される導電材粒子、及び多孔性セラミック粒子のうちいずれか一つ、またはそれらの組み合わせから選択された外添剤を含み、
前記外添剤と前記電気的活物質の前記混合は、乾式ミキシング工程を通じて行われることを特徴とする請求項9に記載の電極構造体の製造方法。 - 前記粒子組成物は、前記粒子状の電気的活物質と共に混合される導電材粒子、及び多孔性セラミック粒子のうちいずれか一つ、またはそれらの組み合わせから選択された外添剤を含み、前記導電材粒子及び前記多孔性セラミック粒子のうちいずれか一つまたは全ての表面上には、結着材がプリコーティングされ、
前記外添剤と前記電気的活物質の前記混合は、乾式ミキシング工程を通じて行われることを特徴とする請求項9に記載の電極構造体の製造方法。 - 前記圧着するステップと同時に、加熱または紫外線照射を行うステップをさらに含むことを特徴とする請求項9に記載の電極構造体の製造方法。
- 前記加熱は、50℃ないし400℃で行われることを特徴とする請求項9に記載の電極構造体の製造方法。
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KR1020110031917A KR101806547B1 (ko) | 2011-04-06 | 2011-04-06 | 금속 섬유를 포함하는 전극 구조체를 갖는 전지 및 상기 전극 구조의 제조 방법 |
KR10-2011-0031917 | 2011-04-06 | ||
PCT/KR2012/002517 WO2012138115A2 (ko) | 2011-04-06 | 2012-04-04 | 금속 섬유를 포함하는 전극 구조체를 갖는 전지 및 상기 전극 구조의 제조 방법 |
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JP2016522562A (ja) * | 2013-06-24 | 2016-07-28 | ジェナックス インコーポレイテッド | 二次電池用集電体及びこれを用いた電極 |
WO2017068820A1 (ja) * | 2015-10-20 | 2017-04-27 | 蓮尾 俊治 | 蓄電デバイスの集電体用のアルミニウム不織繊維材、その製造方法、前記アルミニウム不織繊維材を用いた電極、およびその製造方法 |
JP2018535535A (ja) * | 2016-09-09 | 2018-11-29 | エルジー・ケム・リミテッド | 3次元網状構造の電極集電体を含む電極 |
JP2019511099A (ja) * | 2016-04-07 | 2019-04-18 | ジェナックス インコーポレイテッド | 電極組立体及び電極組立体と電池の製造方法 |
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JP2016522562A (ja) * | 2013-06-24 | 2016-07-28 | ジェナックス インコーポレイテッド | 二次電池用集電体及びこれを用いた電極 |
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Also Published As
Publication number | Publication date |
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US9929409B2 (en) | 2018-03-27 |
CN103620828A (zh) | 2014-03-05 |
KR20120114117A (ko) | 2012-10-16 |
EP2696399B1 (en) | 2019-01-16 |
JP6053751B2 (ja) | 2016-12-27 |
EP2696399A2 (en) | 2014-02-12 |
ES2719268T3 (es) | 2019-07-09 |
KR101806547B1 (ko) | 2018-01-10 |
CN103620828B (zh) | 2017-01-25 |
WO2012138115A3 (ko) | 2013-01-10 |
WO2012138115A2 (ko) | 2012-10-11 |
US20140030605A1 (en) | 2014-01-30 |
EP2696399A4 (en) | 2014-10-01 |
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