JP2011165672A - タブ−リード結合部の電極間抵抗差を最小化した電極組立体及びこれを有する電気化学セル - Google Patents
タブ−リード結合部の電極間抵抗差を最小化した電極組立体及びこれを有する電気化学セル Download PDFInfo
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Abstract
【解決手段】正極/分離膜/負極構造のスタック型またはスタック/折り畳み型電極組立体において、電極組立体を構成するそれぞれの電極板には、活物質の塗布されていないタブ(電極タブ)が突出しており、これら電極タブは、一つの電極リードに電気的に連結されており、電極リード−電極タブ結合部での電極間抵抗差が最小限に抑えられるように、結合部において電極リードの上面と下面にそれぞれ複数の電極タブが結合されている。
【選択図】図3
Description
図1を参照すると、スタック型電極組立体10は、正極集電体21の両面に正極活物質22が塗布されてなる正極20と、負極集電体31の両面に負極活物質32が塗布されてなる負極30とが、分離膜70を介在した状態で順次に積層されて構成される。
前記電気化学セルは、電気化学反応を通じて電気を提供するもので、例えば、電気化学二次電池または電気化学キャパシタであり、特に、リチウム二次電池で好適に適用可能である。
アルミニウム箔と銅箔の両面に、含リチウム正極活物質と含黒鉛負極活物質をそれぞれ塗布した後、該アルミニウム箔と銅箔を、活物質の塗布されていない電極タブが存在するように切断し、正極板と負極板をそれぞれ製造した。その後、分離膜を挟んで上記正極板と負極板を順次積層した後、図3に示すように、正極タブ群及び負極タブ群にそれぞれ正極リード及び負極リードを挟み込んだ状態で溶接し、電極組立体を完成した。
図2A及び図2Bに示すように、正極タブ群の下側部及び負極タブ群の下側部に正極リード及び負極リードをそれぞれ配置した状態で溶接した以外は、上記実施例1と同様にして電極組立体を完成した。
上記実施例1及び比較例1においてそれぞれ製造された20個の電極組立体に対して抵抗測定実験を行い、その結果を、下記の表1に示す。本実験は、それぞれ20個の電極組立体に対して繰り返し行ったし、Agilent milli-ohmmeterを用いて正極タブ−正極リードの結合部での抵抗をそれぞれ測定した。測定した抵抗値を平均して表1に示した。
(1)正極/分離膜/負極構造のスタック型またはスタック/折り畳み型電極組立体であって、電極組立体を構成するそれぞれの電極板には、活物質の塗布されていないタブ(電極タブ)が突出しており、これら電極タブは、一つの電極リードに電気的に連結されており、電極リード−電極タブ結合部での電極間抵抗差が最小限に抑えられるように、結合部において電極リードの上面と下面にそれぞれ複数の電極タブが結合されていることを特徴とする、電極組立体。
(2)前記電極リードを中心に、その上面と下面にそれぞれ結合されている電極タブの数は、略同一であることを特徴とする、(1)に記載の電極組立体。
(3)前記電極リードは、金属プレートであることを特徴とする、(1)に記載の電極組立体。
(4)前記金属プレートは、アルミニウムプレート、銅プレート、ニッケルプレート、ニッケルコートの銅プレート、及びSUSプレートより選ばれたいずれかであることを特徴とする、(3)に記載の電極組立体。
(5)前記電極リードは、垂直断面上、直線の形態を有し、溶接によって前記電極タブと結合されることを特徴とする、(1)に記載の電極組立体。
(6)(1)乃至(5)のいずれかに記載の電極組立体を有する、電気化学セル。
(7)前記電気化学セルは、二次電池またはキャパシタであることを特徴とする、(6)に記載の電気化学セル。
(8)前記二次電池は、金属層と樹脂層を含むラミネートシートからなる電池ケースに、電極組立体が密封状態に内蔵されてなることを特徴とする、(7)に記載の電気化学セル。
(9)前記二次電池は、高出力大容量の電池パックに使用される単位電池であることを特徴とする、(8)に記載の電気化学セル。
Claims (8)
- 正極/分離膜/負極構造のスタック型またはスタック/折り畳み型電極組立体であって、
前記電極組立体を構成するそれぞれの電極板には、活物質の塗布されていないタブ(電極タブ)が突出しており、
前記電極タブが、一つの電極リードに電気的に連結されており、
前記電極リード−前記電極タブの結合部において、電極リードの上面と下面にそれぞれ複数の電極タブが結合されてなり、
電極リード−電極タブの結合部での電極間抵抗差が最小限に抑えられてなり、
前記電極リードを中心に、その上面と下面にそれぞれ結合されてなる電極タブの数は、略同一であり、及び
前記電極リードが、垂直断面上、直線の形態を有してなるものである、電極組立体。 - 前記電極リードは、金属プレートであることを特徴とする、請求項1に記載の電極組立体。
- 前記金属プレートは、アルミニウムプレート、銅プレート、ニッケルプレート、ニッケルコートの銅プレート、及びSUSプレートからなる群から選択さえれたものであることを特徴とする、請求項2に記載の電極組立体。
- 前記電極リードが、溶接によって前記電極タブと結合されることを特徴とする、請求項1に記載の電極組立体。
- 請求項1〜4の何れか一項による電極組立体を備えてなる、電気化学セル。
- 前記電気化学セルが、二次電池またはキャパシタであることを特徴とする、請求項5に記載の電気化学セル。
- 前記二次電池が、金属層と樹脂層を含むラミネートシートからなる電池ケースに、電極組立体が密封状態に内蔵されてなることを特徴とする、請求項6に記載の電気化学セル。
- 前記二次電池が、高出力大容量の電池パックに使用される単位電池であることを特徴とする、請求項7に記載の電気化学セル。
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KR1020060068825A KR100888284B1 (ko) | 2006-07-24 | 2006-07-24 | 탭-리드 결합부의 전극간 저항차를 최소화한 전극조립체 및이를 포함하고 있는 전기화학 셀 |
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JP2011079189A Active JP5782642B2 (ja) | 2006-07-24 | 2011-03-31 | タブ−リード結合部の電極間抵抗差を最小化した電極組立体及びこれを有する電気化学セル |
JP2011079216A Pending JP2011155015A (ja) | 2006-07-24 | 2011-03-31 | タブ−リード結合部の電極間抵抗差を最小化した電極組立体及びこれを有する電気化学セル |
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Cited By (2)
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---|---|---|---|---|
JP2020149798A (ja) * | 2019-03-11 | 2020-09-17 | 積水化学工業株式会社 | 積層型電池および積層型電池の製造方法 |
KR20200127696A (ko) * | 2019-05-03 | 2020-11-11 | 주식회사 엘지화학 | 다수개의 홀이 형성된 리드탭과 전극탭의 결착 구조를 포함하는 전지 및 전지의 전극탭 및 리드탭의 접합방법 |
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KR100888284B1 (ko) | 2006-07-24 | 2009-03-10 | 주식회사 엘지화학 | 탭-리드 결합부의 전극간 저항차를 최소화한 전극조립체 및이를 포함하고 있는 전기화학 셀 |
JP5114036B2 (ja) * | 2006-09-08 | 2013-01-09 | Necエナジーデバイス株式会社 | 積層型電池の製造方法 |
JP5252871B2 (ja) | 2007-09-28 | 2013-07-31 | 三洋電機株式会社 | 積層式電池 |
CN101877413B (zh) * | 2009-04-30 | 2013-10-30 | 比亚迪股份有限公司 | 一种单体电池及包含该单体电池的动力电池组 |
CN102428600B (zh) * | 2009-05-20 | 2014-07-09 | Nec能源元器件株式会社 | 层叠二次电池及其制造方法 |
KR101049832B1 (ko) * | 2009-06-04 | 2011-07-15 | 에스비리모티브 주식회사 | 이차전지 |
KR101101046B1 (ko) * | 2009-12-01 | 2011-12-29 | 삼성에스디아이 주식회사 | 전극 조립체 및 그를 구비하는 이차 전지 |
KR101254691B1 (ko) | 2010-08-17 | 2013-04-15 | 주식회사 엘지화학 | 개선된 리드 구조의 이차전지 |
JP2012054029A (ja) * | 2010-08-31 | 2012-03-15 | Sanyo Electric Co Ltd | 積層式電池 |
KR20120031606A (ko) | 2010-09-27 | 2012-04-04 | 주식회사 엘지화학 | 부식방지용 보호층이 선택적으로 형성된 전극리드, 및 이를 포함하는 이차전지 |
EP2500972B1 (en) * | 2010-12-20 | 2017-07-26 | LG Chem, Ltd. | Lithium secondary battery having multi-directional lead-tab structure |
US8628874B2 (en) * | 2011-01-28 | 2014-01-14 | Samsung Sdi Co., Ltd. | Secondary battery |
KR101955414B1 (ko) * | 2011-01-28 | 2019-03-07 | 삼성에스디아이 주식회사 | 절결부가 형성된 리드 부재를 포함하는 이차전지 |
JP6212846B2 (ja) * | 2011-10-04 | 2017-10-18 | 株式会社Gsユアサ | 電気化学装置 |
DE102011117960A1 (de) | 2011-11-08 | 2013-05-08 | Li-Tec Battery Gmbh | Elektrodenstapel für eine Energiespeicherzelle und Verfahren zur Herstellung eines solchen Elektrodenstapels |
EP2605313A1 (en) * | 2011-12-15 | 2013-06-19 | Oxis Energy Limited | Connecting contact leads to lithium-based electrodes |
EP2629352A1 (en) | 2012-02-17 | 2013-08-21 | Oxis Energy Limited | Reinforced metal foil electrode |
KR101464966B1 (ko) * | 2012-04-04 | 2014-11-25 | 주식회사 엘지화학 | 전극리드-전극 탭 결합부로 이루어진 전극조립체 및 이를 포함하는 전기화학 셀 |
KR101471964B1 (ko) * | 2012-04-04 | 2014-12-11 | 주식회사 엘지화학 | 신규한 전극리드-전극 탭 결합부로 이루어진 전극조립체 및 이를 포함하는 전기화학 셀 |
JP5797330B2 (ja) * | 2012-04-23 | 2015-10-21 | オー・エム・シー株式会社 | 電子部品の集電部の接合方法とその装置 |
KR101532216B1 (ko) * | 2012-11-02 | 2015-06-29 | 주식회사 엘지화학 | 전극 탭-리드 결합부 구조를 가진 이차전지 |
DE202014011456U1 (de) * | 2013-03-11 | 2020-11-05 | Lg Chem, Ltd. | Sekundärbatterie |
EP2784850A1 (en) | 2013-03-25 | 2014-10-01 | Oxis Energy Limited | A method of cycling a lithium-sulphur cell |
ES2546609T3 (es) | 2013-03-25 | 2015-09-25 | Oxis Energy Limited | Un método para cargar una celda de litio-azufre |
EP2784852B1 (en) | 2013-03-25 | 2018-05-16 | Oxis Energy Limited | A method of charging a lithium-sulphur cell |
GB2517228B (en) | 2013-08-15 | 2016-03-02 | Oxis Energy Ltd | Laminate cell |
KR20160100958A (ko) | 2013-12-17 | 2016-08-24 | 옥시스 에너지 리미티드 | 리튬-황 셀용 전해질 |
US9450344B2 (en) | 2014-01-22 | 2016-09-20 | Amphenol Corporation | High speed, high density electrical connector with shielded signal paths |
CN106537660B (zh) | 2014-05-30 | 2020-08-14 | 奥克斯能源有限公司 | 锂硫电池 |
CN107534259B (zh) | 2014-11-21 | 2020-12-08 | 安费诺公司 | 用于高速、高密度电连接器的配套背板 |
DE102014019505A1 (de) | 2014-12-23 | 2016-06-23 | Daimler Ag | Einzelzelle und Zellblock für eine elektrische Batterie |
WO2017038044A1 (ja) * | 2015-08-31 | 2017-03-09 | パナソニックIpマネジメント株式会社 | 電池 |
KR102103378B1 (ko) * | 2015-12-10 | 2020-04-22 | 주식회사 엘지화학 | 가스 흡착제가 포함되어 있는 전극 리드를 구비한 전지셀 |
KR102042999B1 (ko) * | 2016-02-05 | 2019-11-11 | 주식회사 엘지화학 | 다양한 크기의 전극 탭들을 포함하는 스택 및 폴딩형 전극조립체의 제조방법 |
KR102094210B1 (ko) * | 2016-02-12 | 2020-03-27 | 주식회사 엘지화학 | 레이저 용접된 전극 탭과 전극리드를 구비한 전지셀 |
JP6725258B2 (ja) * | 2016-02-19 | 2020-07-15 | 積水化学工業株式会社 | 二次電池及び二次電池の製造方法 |
KR102032773B1 (ko) * | 2016-11-30 | 2019-10-16 | 주식회사 엘지화학 | 이중 용접 구조를 가진 전지셀 |
KR102124640B1 (ko) | 2016-12-21 | 2020-06-18 | 주식회사 엘지화학 | 장변 부위에 결합된 전극 리드를 포함하는 전극조립체 |
JP6806001B2 (ja) | 2017-08-22 | 2020-12-23 | トヨタ自動車株式会社 | 蓄電装置 |
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DE102018209981A1 (de) | 2018-06-20 | 2019-12-24 | Robert Bosch Gmbh | Verfahren zum Verbinden zweier Bauteile und Bauteileverbund |
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CN119275608A (zh) | 2019-05-20 | 2025-01-07 | 安费诺有限公司 | 高密度高速电连接器 |
US11446764B2 (en) | 2020-03-24 | 2022-09-20 | Corelase Oy | Laser welding stacked foils |
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CN115173001A (zh) * | 2022-06-16 | 2022-10-11 | 中国第一汽车股份有限公司 | 一种新型极耳结构、电池及其加工方法 |
KR20250063663A (ko) * | 2023-11-01 | 2025-05-08 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이를 포함하는 배터리 셀 및 전극 리드 용접 방법 |
WO2025127496A1 (ko) * | 2023-12-15 | 2025-06-19 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이를 포함하는 배터리 셀 및 전극 리드 용접 방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002252036A (ja) * | 2001-02-23 | 2002-09-06 | Mitsubishi Materials Corp | リチウムイオンポリマー二次電池 |
JP2002305029A (ja) * | 2001-04-06 | 2002-10-18 | Mitsubishi Materials Corp | リチウムイオンポリマー二次電池 |
JP2003257409A (ja) * | 2002-02-28 | 2003-09-12 | Mitsubishi Materials Corp | ポリマー二次電池の端子接続構造及びその端子接続方法 |
JP2006324093A (ja) * | 2005-05-18 | 2006-11-30 | Nissan Motor Co Ltd | 二次電池及び二次電池の製造方法 |
JP2006351373A (ja) * | 2005-06-16 | 2006-12-28 | Nec Lamilion Energy Ltd | フィルム外装電池及びそれが集合した組電池 |
JP2007335150A (ja) * | 2006-06-13 | 2007-12-27 | Honda Motor Co Ltd | 蓄電素子 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE661412A (ja) * | 1964-03-20 | |||
EP1033768B1 (en) * | 1999-03-04 | 2002-09-18 | Wilson Greatbatch Ltd. | Wound cell stack design for enhanced battery performance |
JP3751834B2 (ja) * | 2001-02-05 | 2006-03-01 | 日本電気株式会社 | フィルムシール型非水電解質電池 |
CN1204648C (zh) * | 2001-02-28 | 2005-06-01 | 东芝株式会社 | 非水电解质及非水电解质二次电池 |
US6849358B2 (en) * | 2001-04-06 | 2005-02-01 | Ngk Spark Plug Co., Ltd. | Lithium ion battery |
JP2003123743A (ja) * | 2001-10-12 | 2003-04-25 | Sony Corp | 固体電解質電池及びその製造方法 |
JP4281275B2 (ja) * | 2001-10-17 | 2009-06-17 | ソニー株式会社 | アルカリ亜鉛電池 |
JP2003157844A (ja) | 2001-11-20 | 2003-05-30 | Sagaken Chiiki Sangyo Shien Center | 非水二次電池用正極活物質、製造方法および非水二次電池 |
KR100483994B1 (ko) * | 2002-06-12 | 2005-04-18 | 주식회사 이글피쳐코캄 | 리튬 2차 전지용 크루드 셀의 전극탭 처리 방법 및 그에따른 크루드 셀 및 이를 채용한 리튬 2차 전지 |
CN1248332C (zh) * | 2003-03-21 | 2006-03-29 | 比亚迪股份有限公司 | 锂离子二次电池 |
US20050064278A1 (en) * | 2003-09-19 | 2005-03-24 | Fetcenko Michael A. | Method for cold-starting batteries |
JP3972205B2 (ja) | 2003-11-06 | 2007-09-05 | 日本電気株式会社 | 積層型電池 |
JP4449447B2 (ja) * | 2003-12-22 | 2010-04-14 | 日産自動車株式会社 | 固体電解質電池の製造方法 |
US8088516B2 (en) * | 2005-11-18 | 2012-01-03 | Acme Aerospace, Inc. | Storage battery electrodes with integral conductors |
KR100888284B1 (ko) | 2006-07-24 | 2009-03-10 | 주식회사 엘지화학 | 탭-리드 결합부의 전극간 저항차를 최소화한 전극조립체 및이를 포함하고 있는 전기화학 셀 |
-
2006
- 2006-07-24 KR KR1020060068825A patent/KR100888284B1/ko active Active
-
2007
- 2007-04-05 JP JP2007099666A patent/JP2008027894A/ja not_active Withdrawn
- 2007-07-21 US US12/309,549 patent/US20090317717A1/en not_active Abandoned
- 2007-07-21 CN CNA2007800283329A patent/CN101496217A/zh active Pending
- 2007-07-21 CN CN201210035549.5A patent/CN102593407B/zh active Active
- 2007-07-21 WO PCT/KR2007/003530 patent/WO2008013381A1/en active Application Filing
-
2010
- 2010-06-09 US US12/797,185 patent/US9246154B2/en active Active
-
2011
- 2011-03-31 JP JP2011079189A patent/JP5782642B2/ja active Active
- 2011-03-31 JP JP2011079216A patent/JP2011155015A/ja active Pending
-
2015
- 2015-09-03 US US14/844,444 patent/US10026944B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002252036A (ja) * | 2001-02-23 | 2002-09-06 | Mitsubishi Materials Corp | リチウムイオンポリマー二次電池 |
JP2002305029A (ja) * | 2001-04-06 | 2002-10-18 | Mitsubishi Materials Corp | リチウムイオンポリマー二次電池 |
JP2003257409A (ja) * | 2002-02-28 | 2003-09-12 | Mitsubishi Materials Corp | ポリマー二次電池の端子接続構造及びその端子接続方法 |
JP2006324093A (ja) * | 2005-05-18 | 2006-11-30 | Nissan Motor Co Ltd | 二次電池及び二次電池の製造方法 |
JP2006351373A (ja) * | 2005-06-16 | 2006-12-28 | Nec Lamilion Energy Ltd | フィルム外装電池及びそれが集合した組電池 |
JP2007335150A (ja) * | 2006-06-13 | 2007-12-27 | Honda Motor Co Ltd | 蓄電素子 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020149798A (ja) * | 2019-03-11 | 2020-09-17 | 積水化学工業株式会社 | 積層型電池および積層型電池の製造方法 |
KR20200127696A (ko) * | 2019-05-03 | 2020-11-11 | 주식회사 엘지화학 | 다수개의 홀이 형성된 리드탭과 전극탭의 결착 구조를 포함하는 전지 및 전지의 전극탭 및 리드탭의 접합방법 |
KR102812156B1 (ko) | 2019-05-03 | 2025-05-22 | 주식회사 엘지에너지솔루션 | 다수개의 홀이 형성된 리드탭과 전극탭의 결착 구조를 포함하는 전지 및 전지의 전극탭 및 리드탭의 접합방법 |
Also Published As
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JP5782642B2 (ja) | 2015-09-24 |
US20150380717A1 (en) | 2015-12-31 |
US20100248030A1 (en) | 2010-09-30 |
CN102593407B (zh) | 2016-03-30 |
US10026944B2 (en) | 2018-07-17 |
WO2008013381A1 (en) | 2008-01-31 |
CN101496217A (zh) | 2009-07-29 |
US9246154B2 (en) | 2016-01-26 |
CN102593407A (zh) | 2012-07-18 |
KR100888284B1 (ko) | 2009-03-10 |
JP2011155015A (ja) | 2011-08-11 |
KR20080009353A (ko) | 2008-01-29 |
JP2008027894A (ja) | 2008-02-07 |
US20090317717A1 (en) | 2009-12-24 |
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