JP2008123768A5 - - Google Patents

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Publication number
JP2008123768A5
JP2008123768A5 JP2006304687A JP2006304687A JP2008123768A5 JP 2008123768 A5 JP2008123768 A5 JP 2008123768A5 JP 2006304687 A JP2006304687 A JP 2006304687A JP 2006304687 A JP2006304687 A JP 2006304687A JP 2008123768 A5 JP2008123768 A5 JP 2008123768A5
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Japan
Prior art keywords
metal plate
electrode part
negative electrode
connection metal
positive electrode
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JP2006304687A
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Japanese (ja)
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JP4586008B2 (en
JP2008123768A (en
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Priority to JP2006304687A priority Critical patent/JP4586008B2/en
Priority claimed from JP2006304687A external-priority patent/JP4586008B2/en
Priority to EP07021828A priority patent/EP1921696A1/en
Priority to US11/937,599 priority patent/US9065124B2/en
Publication of JP2008123768A publication Critical patent/JP2008123768A/en
Publication of JP2008123768A5 publication Critical patent/JP2008123768A5/ja
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Publication of JP4586008B2 publication Critical patent/JP4586008B2/en
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Claims (8)

複数個の単電池を収納ケースに一列又は複数列に収納し、複数個の前記単電池の極間を銅製の接続金属板によって連結する組電池において、
前記単電池の正極部又は負極部は、表裏面にニッケルメッキされた、鋼又は低炭素鋼であり、
前記接続金属板は、単電池の正極部と前記単電池に隣接する他の単電池の負極部との両面に前記接続金属板を配置し、前記接続金属板の片方と前記正極部との重ね継手、前記接続金属板の他方と前記負極部との重ね継手がアークスポット溶接によって各々溶接されていることを特徴とする組電池。 In a battery pack in which a plurality of cells are stored in a row or a plurality of rows in a storage case, and the electrodes of the plurality of cells are connected by a connection metal plate made of copper ,
The positive electrode part or the negative electrode part of the unit cell is steel or low carbon steel plated with nickel on the front and back surfaces,
Overlapped with the connecting metal plate, the connecting metal plate disposed on both surfaces of the negative electrode portion of other unit cells adjacent to the unit cell and a positive electrode portion of the cell, one to the positive portion of the connecting metal plate An assembled battery, wherein a joint and a lap joint between the other of the connecting metal plates and the negative electrode portion are welded to each other by arc spot welding. 前記接続金属板が、銅板又は表裏面をニッケルメッキされた銅板であることを特徴とする請求項１に記載の組電池。   The assembled battery according to claim 1, wherein the connection metal plate is a copper plate or a copper plate having nickel plated on the front and back surfaces. 前記ニッケルメッキの厚みは、１μｍ以上１０μｍ以下であることを特徴とする請求項１に記載の組電池。 The assembled battery according to claim 1 , wherein the nickel plating has a thickness of 1 μm or more and 10 μm or less. 前記接続金属板の表面には、前記単電池の正極部に接続する箇所と他の単電池の負極部に接続する箇所とに分けて前記アークスポット溶接が１点ずつ又は２点ずつ施工されていることを特徴とする請求項１に記載の組電池。   On the surface of the connecting metal plate, the arc spot welding is performed one point or two points separately for a place connected to the positive electrode part of the unit cell and a part connected to the negative electrode part of another unit cell. The assembled battery according to claim 1, wherein: 前記接続金属板の板厚が、０.４〜１.５mmであって、前記接続金属板の表面から単電池の正極部又は負極部への溶け込み深さが、０.１mm以上かつ前記板厚の４／５以下であることを特徴とする請求項１に記載の組電池。   The thickness of the connection metal plate is 0.4 to 1.5 mm, and the penetration depth from the surface of the connection metal plate to the positive electrode portion or the negative electrode portion of the unit cell is 0.1 mm or more and the plate thickness The assembled battery according to claim 1, which is 4/5 or less. 前記接続金属板は、前記アークスポット溶接の位置より前記接続金属板の中心側に２つ以上の曲がり部を有することを特徴とする請求項１に記載の組電池。   2. The assembled battery according to claim 1, wherein the connection metal plate has two or more bent portions on a center side of the connection metal plate from a position of the arc spot welding. 前記接続金属板と、前記正極部又は前記負極部との溶接部の接合面積が、５〜８mm2であることを特徴とする請求項１に記載の組電池。 The assembled battery according to claim 1, wherein a joint area of a welded portion between the connection metal plate and the positive electrode portion or the negative electrode portion is 5 to 8 mm 2 . 複数個の単電池を収納ケースに一列又は複数列に収納し、前記複数個の単電池の極間を銅製の接続金属板によって溶接接続する組電池の製造方法において、
前記単電池の正極部及び負極部は、表裏面にニッケルメッキされた鋼又は低炭素鋼であり、
前記接続金属板を、単電池の正極部と隣接する他の単電池の負極部との両面に配置し、前記接続金属板の一方と前記正極部との重ね継手、及び、前記接続金属板の他方と前記負極部との重ね継手を、前記正極部及び前記負極部の肉厚裏側まで溶かさない溶け込みとなる溶接条件又はこれに相当する入熱条件を用い、アークスポット溶接によって溶融接合することを特徴とする組電池の製造方法。 In a method of manufacturing an assembled battery in which a plurality of single cells are stored in a row or a plurality of rows in a storage case, and the electrodes of the plurality of single cells are welded and connected with a connection metal plate made of copper ,
The positive electrode part and the negative electrode part of the unit cell are steel or low carbon steel nickel-plated on the front and back surfaces,
The connection metal plate is disposed on both surfaces of the positive electrode part of the unit cell and the negative electrode part of another unit cell adjacent thereto , and a lap joint between one of the connection metal plates and the positive electrode part , and the connection metal plate The lap joint between the other side and the negative electrode part is melt-bonded by arc spot welding using welding conditions that do not melt to the thickness side of the positive electrode part and the negative electrode part, or heat input conditions corresponding thereto. A manufacturing method of a battery pack characterized by the above .
JP2006304687A 2006-11-10 2006-11-10 Battery pack and manufacturing method thereof Active JP4586008B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006304687A JP4586008B2 (en) 2006-11-10 2006-11-10 Battery pack and manufacturing method thereof
EP07021828A EP1921696A1 (en) 2006-11-10 2007-11-09 Battery pack and method for welding cells
US11/937,599 US9065124B2 (en) 2006-11-10 2007-11-09 Battery pack and method for welding cells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006304687A JP4586008B2 (en) 2006-11-10 2006-11-10 Battery pack and manufacturing method thereof

Publications (3)

Publication Number Publication Date
JP2008123768A JP2008123768A (en) 2008-05-29
JP2008123768A5 true JP2008123768A5 (en) 2008-12-18
JP4586008B2 JP4586008B2 (en) 2010-11-24

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Family Applications (1)

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JP2006304687A Active JP4586008B2 (en) 2006-11-10 2006-11-10 Battery pack and manufacturing method thereof

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4637122B2 (en) * 2007-02-28 2011-02-23 日立ビークルエナジー株式会社 Battery pack and welding method thereof
JP5094783B2 (en) * 2009-04-28 2012-12-12 エネルギー コントロール リミテッド High conductivity connection structure
KR101283347B1 (en) * 2010-09-07 2013-07-10 주식회사 엘지화학 High-Output, Large-Capacity Battery Pack
KR101509474B1 (en) * 2012-06-13 2015-04-08 주식회사 엘지화학 Battery Assembly Having Single Electrode Terminal Connecting Part
JP6020900B2 (en) * 2012-10-10 2016-11-02 株式会社オートネットワーク技術研究所 Power storage module
DE102013213527A1 (en) * 2013-07-10 2015-01-15 Robert Bosch Gmbh Electric cell connector for a battery module
CN106876643A (en) * 2017-03-24 2017-06-20 帅福得（珠海保税区）电池有限公司 A kind of new 9V batteries and its preparation technology
DE102017211263A1 (en) * 2017-06-19 2018-12-20 Robert Bosch Gmbh Battery pack device
CN114700738B (en) * 2022-06-08 2022-08-23 南京莱迪新能源科技有限公司 Echelon utilization lithium battery pack flat cable welding insulation fixing device and fixing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2568023B2 (en) * 1993-01-18 1996-12-25 日本碍子株式会社 Connection terminals and connection structure for single cells
JP2002008622A (en) * 2000-06-16 2002-01-11 Gs-Melcotec Co Ltd Lead and battery pack using it
JP2004031049A (en) * 2002-06-25 2004-01-29 Yazaki Corp Battery connection plate

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