JP2010108901A - 電池タブの製造方法と電池タブ及びそれを備えるフープ材 - Google Patents
電池タブの製造方法と電池タブ及びそれを備えるフープ材 Download PDFInfo
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- JP2010108901A JP2010108901A JP2009087017A JP2009087017A JP2010108901A JP 2010108901 A JP2010108901 A JP 2010108901A JP 2009087017 A JP2009087017 A JP 2009087017A JP 2009087017 A JP2009087017 A JP 2009087017A JP 2010108901 A JP2010108901 A JP 2010108901A
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Images
Classifications
-
- 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
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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
【解決手段】電池タブ2a外周とタブフィルム7との当接領域において、電池タブ2a外周の端縁を押圧してバリ潰し処理を施し押圧部21aを形成し、その押圧部21a表面を耐食コート層24aで被覆した。
【選択図】図5
Description
以下、本発明を具体化した実施形態を、図面に基づいて詳細に説明する。図1は本実施形態に係る電池タブ2を備えるリチウムイオン電池1の平面図であり、図2は本実施形態に係る電池タブ2を備えるリチウムイオン電池1の全体斜視図である。図1及び図2に示すように、本実施形態に係る電池タブ2を備えるリチウムイオン電池1は、リチウムイオン電池本体5及び外装体6から構成されており、外装体6に収納されたリチウムイオン電池本体5は、その周縁を密封することにより、防湿性が付与されている。
<化学的前処理>
<化学的処理>
<物理的処理>
2、102 電池タブ
2a 負極電池タブ
2b 正極電池タブ
3 パウチ
4 シート
5 リチウムイオン電池本体
6 外装体
7 タブフィルム
10 フープ材
11 貫通孔
21 押圧部
21a 押圧部(負極電池タブ)
21b 押圧部(正極電池タブ)
22 金属部材
22a 金属部材(負極電池タブ)
22b 金属部材(正極電池タブ)
23a メッキ層(負極電池タブ)
23b メッキ層(正極電池タブ)
24 耐食コート層
24a 耐食コート層(負極電池タブ)
24b 耐食コート層(正極電池タブ)
25 切断線
26 切断予定線
106 外装体
115 最外層(基材層)
116 金属層
117 最内層(ヒートシール層)
x バリ
Claims (8)
- 電池外装体から先端部が外部に突出するように挟持され、
前記挟持部分にタブフィルムを介してヒートシールされる電池タブであって、
少なくとも前記電池タブ外周と前記タブフィルムとの当接領域において、前記電池タブ外周の端縁が押圧によるバリ潰し処理が施され、
少なくとも前記押圧部表面が耐食コート層により被覆されていることを特徴とする電池タブ。 - 請求項1に記載の電池タブが直列に複数連結された長尺帯状の金属部材であり、
隣接する前記電池タブを切断線に沿って切断し切り離すフープ材であって、
前記切断線上に貫通孔が形成され、
前記貫通孔の端縁は押圧されてバリ潰し処理が施され、
少なくとも前記押圧部表面は耐食コート層により被覆されていることを特徴とするフープ材。 - メッキ層が所定幅で帯状に前記金属部材の長手方向に形成されていることを特徴とする請求項2に記載のフープ材。
- 幅方向に2列に連結された前記電池タブを長手方向に複数連結して前記フープ材が構成され、
前記貫通孔が幅方向に2列に連結された前記電池タブに対応するように前記フープ材の幅方向に2箇所ずつ配置され、
前記メッキ層が前記フープ材の幅方向両端部から形成されていることを特徴とする請求項3に記載のフープ材。 - 長尺帯状の金属部材に長手方向に沿って所定間隔で貫通孔を複数設ける第1工程と、
前記貫通孔の端縁を押圧してバリを潰す第2工程と、
前記金属部材に耐食コート層を積層する第3工程と、
前記貫通孔の端縁に形成された押圧部を避けながら、前記貫通孔を通り前記金属部材を幅方向に切断する第4工程とを有することを特徴とする電池タブの製造方法。 - 前記第1工程において、前記金属部材の幅方向に2箇所設けた前記貫通孔を長手方向に所定間隔で複数設け、
前記第2工程と前記第3工程の間に、
前記金属部材の幅方向両端部から所定幅で長手方向にメッキ層を形成するメッキ処理工程を有し、
前記第3工程と前記第4工程の間に、
幅方向に2箇所設けた前記貫通孔の間を通りながら長手方向に前記金属部材を切断する切断工程を有することを特徴とする請求項5に記載の電池タブの製造方法。 - 前記第1工程の前に、
前記金属部材の幅方向両端部から所定幅で長手方向にメッキ層を形成するメッキ処理工程を有し、
前記第1工程において、前記金属部材の幅方向に2箇所設けた前記貫通孔を長手方向に所定間隔で複数設け、
前記第3工程と前記第4工程の間に、
幅方向に2箇所設けた前記貫通孔の間を通りながら長手方向に前記金属部材を切断する切断工程を有することを特徴とする請求項5に記載の電池タブの製造方法。 - 前記メッキ処理工程は、前記金属部材の表裏面において、前記幅方向両端部から所定幅を除く領域にマスキング材を帯状に被覆し、
前記金属部材をメッキ処理した後、
前記マスキング材を除去しておこなうことを特徴とする請求項6又は請求項7に記載の電池タブの製造方法。
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JP2012003877A (ja) * | 2010-06-15 | 2012-01-05 | Sumitomo Electric Ind Ltd | アルミタブリード用のフープ状部材 |
JP2013187018A (ja) * | 2012-03-07 | 2013-09-19 | Fujimori Kogyo Co Ltd | 非水系電池用の電極リード線部材 |
JP2014060056A (ja) * | 2012-09-18 | 2014-04-03 | Dainippon Printing Co Ltd | 電極加工装置、及び電極加工方法 |
JP2014207069A (ja) * | 2013-04-11 | 2014-10-30 | 株式会社Shカッパープロダクツ | 樹脂付きタブリード及びその連続体、並びにそれらの製造方法 |
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