JP5705994B2 - ケーブル型二次電池及びその製造方法 - Google Patents
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Description
11 内部集電体
12 負極活物質層
13 電解質層
14 正極活物質層
15 外部集電体薄膜
16 熱収縮した保護被覆
Claims (19)
- 内部集電体、負極活物質層、正極活物質層、及び前記負極活物質層と前記正極活物質層との間に介在された電解質層を備え、所定形状の水平断面を有し、長さ方向に延びた電極集合体を用意する段階と、
熱収縮性チューブの内面に外部集電体薄膜を形成し、熱収縮性保護被覆を用意する段階と、
前記熱収縮性保護被覆に前記電極集合体を挿入した後、収縮するように加熱して前記電極集合体の外面に熱収縮した保護被覆を密着させる段階と、を含むケーブル型二次電池の製造方法。 - 前記外部集電体薄膜がハーフパイプ状であることを特徴とする請求項1に記載のケーブル型二次電池の製造方法。
- 前記外部集電体薄膜がメッシュ状であることを特徴とする請求項1に記載のケーブル型二次電池の製造方法。
- 前記外部集電体薄膜が金属ペースト層であることを特徴とする請求項1に記載のケーブル型二次電池の製造方法。
- 前記金属ペースト層が、アルミニウム、ニッケル、チタン、銅または銀を含むことを特徴とする請求項4に記載のケーブル型二次電池の製造方法。
- 前記内部集電体が、ステンレススチール、アルミニウム、ニッケル、チタン、焼成炭素、もしくは銅;カーボン、ニッケル、チタンもしくは銀で表面処理されたステンレススチール;アルミニウム‐カドミウム合金;導電材で表面処理された非伝導性高分子;または伝導性高分子から形成されることを特徴とする請求項1〜5のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記外部集電体が、ステンレススチール、アルミニウム、ニッケル、チタン、焼成炭素、もしくは銅;カーボン、ニッケル、チタンもしくは銀で表面処理されたステンレススチール;アルミニウム‐カドミウム合金;導電材で表面処理された非伝導性高分子;または伝導性高分子から形成されることを特徴とする請求項1〜6のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記導電材が、ポリアセチレン、ポリアニリン、ポリピロール、ポリチオフェン、ポリ窒化硫黄、酸化インジウムスズ(ITO)、銅、銀、パラジウム、及びニッケルから選択された1種または2種以上の混合物であることを特徴とする請求項6または請求項7に記載のケーブル型二次電池の製造方法。
- 前記伝導性高分子が、ポリアセチレン、ポリアニリン、ポリピロール、ポリチオフェン及びポリ窒化硫黄から選択された1種の化合物または2種以上の混合物であることを特徴とする請求項6〜8のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記負極活物質層が、天然黒鉛、人造黒鉛、または炭素質材料;リチウム含有チタン複合酸化物(LTO);Si、Sn、Li、Zn、Mg、Cd、Ce、NiまたはFeである金属類(Me);前記金属類(Me)の合金類;前記金属類(Me)の酸化物(MeOx);及び前記金属類(Me)と炭素との複合体からなる群より選択されたいずれか1つの活物質粒子、又は、これらのうち2種以上の混合物を含む活物質から形成されることを特徴とする請求項1〜9のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記正極活物質層が、LiCoO2、LiNiO2、LiMn2O4、LiCoPO4、LiFePO4、LiNiMnCoO2、及びLiNi1-x-y-zCoxM1yM2zO2(M1及びM2は、互いに独立して、Al、Ni、Co、Fe、Mn、V、Cr、Ti、W、Ta、Mg及びMoからなる群より選択されたいずれか1つであり、x、y及びzは、互いに独立して、酸化物組成元素の原子分率であって0≦x<0.5、0≦y<0.5、0≦z<0.5、x+y+z≦1である)からなる群より選択されたいずれか1つの活物質粒子またはこれらのうち2種以上の混合物を含む活物質から形成されることを特徴とする請求項1〜10のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記電解質層が、ポリエチレンオキサイド(PEO)、ポリフッ化ビニリデン(PVdF)、ポリメタクリル酸メチル(PMMA)、ポリアクリロニトリル(PAN)もしくはポリ酢酸ビニル(PVAc)のゲル型高分子電解質;およびPEO、ポリプロピレンオキシド(PPO)、ポリエチレンイミン(PEI)、ポリエチレンスルフィド(PES)またはPVAcの固体電解質のうち選択された電解質から形成されることを特徴とする請求項1〜11のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記電解質層が、リチウム塩をさらに含むことを特徴とする請求項1〜12のいずれか1項に記載のケーブル型二次電池の製造方法。
- 前記リチウム塩が、LiCl、LiBr、LiI、LiClO4、LiBF4、LiB10Cl10、LiPF6、LiCF3SO3、LiCF3CO2、LiAsF6、LiSbF6、LiAlCl4、CH3SO3Li、CF3SO3Li、(CF3SO2)2NLi、クロロボランリチウム、低級脂肪族カルボン酸リチウム、及びテトラフェニルホウ酸リチウムのうち選択された1種または2種以上であることを特徴とする請求項13に記載のケーブル型二次電池の製造方法。
- 内部集電体、負極活物質層、正極活物質層、および前記負極活物質層と前記正極活物質層との間に介在された電解質層を備え、所定形状の水平断面を有し、長さ方向に延びた電極集合体;及び前記電極集合体を囲んで密着している、熱収縮した保護被覆;を備え、
前記熱収縮した保護被覆は、熱収縮性チューブ及び前記熱収縮性チューブの内面に形成された外部集電体薄膜を備える熱収縮性保護被覆を加熱して収縮させたものであり、
前記電極集合体の外面に位置した正極活物質層が前記熱収縮した保護被覆の内面に形成された外部集電体薄膜に密着しているケーブル型二次電池。 - 前記外部集電体薄膜がハーフパイプ状であることを特徴とする請求項15に記載のケーブル型二次電池。
- 前記外部集電体薄膜がメッシュ状であることを特徴とする請求項15に記載のケーブル型二次電池。
- 前記外部集電体薄膜が金属ペースト層であることを特徴とする請求項15に記載のケーブル型二次電池。
- 前記金属ペースト層が、アルミニウム、ニッケル、チタン、銅または銀を含むことを特徴とする請求項18に記載のケーブル型二次電池。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0109196 | 2010-11-04 | ||
| KR1020100109196A KR101423688B1 (ko) | 2010-11-04 | 2010-11-04 | 케이블형 이차전지 및 그의 제조방법 |
| PCT/KR2011/007756 WO2012060561A2 (ko) | 2010-11-04 | 2011-10-18 | 케이블형 이차전지 및 그의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| JP2013545240A JP2013545240A (ja) | 2013-12-19 |
| JP5705994B2 true JP5705994B2 (ja) | 2015-04-22 |
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| JP2013537598A Active JP5705994B2 (ja) | 2010-11-04 | 2011-10-18 | ケーブル型二次電池及びその製造方法 |
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|---|---|
| US (1) | US8617258B2 (ja) |
| EP (1) | EP2637244B1 (ja) |
| JP (1) | JP5705994B2 (ja) |
| KR (1) | KR101423688B1 (ja) |
| CN (1) | CN103348524B (ja) |
| WO (1) | WO2012060561A2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101351902B1 (ko) | 2011-06-02 | 2014-01-22 | 주식회사 엘지화학 | 이차전지용 음극 및 이를 구비하는 이차전지 |
| EP2768062B1 (en) | 2011-10-13 | 2016-05-18 | LG Chem, Ltd. | Cable-type secondary battery |
| EP2768057B1 (en) | 2011-10-13 | 2016-08-31 | LG Chem, Ltd. | Cable-type secondary battery |
| EP2768058B1 (en) | 2011-10-13 | 2016-05-18 | LG Chem, Ltd. | Cable-type secondary battery |
| CN103891026B (zh) | 2011-10-13 | 2016-06-29 | 株式会社Lg化学 | 线缆型二次电池 |
| CN103891027B (zh) * | 2011-10-25 | 2016-10-26 | 株式会社Lg化学 | 线缆型二次电池 |
| US8993172B2 (en) | 2011-12-10 | 2015-03-31 | Kalptree Energy, Inc. | Li-ion battery and battery active components on metal wire |
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| KR101654680B1 (ko) * | 2012-12-12 | 2016-09-06 | 주식회사 엘지화학 | 이차전지용 전극 및 그를 포함하는 케이블형 이차전지 |
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|---|---|
| KR101423688B1 (ko) | 2014-07-25 |
| US8617258B2 (en) | 2013-12-31 |
| CN103348524B (zh) | 2015-09-09 |
| JP2013545240A (ja) | 2013-12-19 |
| EP2637244A4 (en) | 2014-01-22 |
| KR20120047555A (ko) | 2012-05-14 |
| CN103348524A (zh) | 2013-10-09 |
| WO2012060561A2 (ko) | 2012-05-10 |
| EP2637244A2 (en) | 2013-09-11 |
| US20120156554A1 (en) | 2012-06-21 |
| EP2637244B1 (en) | 2014-12-03 |
| WO2012060561A3 (ko) | 2012-06-28 |
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