CN109494496A - 软连接片及其方壳电池 - Google Patents

软连接片及其方壳电池 Download PDF

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Publication number
CN109494496A
CN109494496A CN201710824270.8A CN201710824270A CN109494496A CN 109494496 A CN109494496 A CN 109494496A CN 201710824270 A CN201710824270 A CN 201710824270A CN 109494496 A CN109494496 A CN 109494496A
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China
Prior art keywords
piece
flexible coupling
welding
bottom sheet
battery
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Pending
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CN201710824270.8A
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English (en)
Inventor
刘金良
高峰
张要枫
张谢恩
杨小花
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Yinlong New Energy Co Ltd
Hebei Yinlong New Energy Co Ltd
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Yinlong New Energy Co Ltd
Hebei Yinlong New Energy Co Ltd
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Priority to CN201710824270.8A priority Critical patent/CN109494496A/zh
Publication of CN109494496A publication Critical patent/CN109494496A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

本发明公开了一种软连接片，其包括上片和下片，所述上片沿弯折处折90°直角，所述下片的一侧通过超声波预焊焊接在上片的弯折处构成T型软连接片；还公开了一种方壳电池，通过本发明能够节省电芯空间，提高锂电池的体积比能量率，而且，本发明的导电和导电面积大，提高锂电池的倍率性能。

Description

软连接片及其方壳电池
技术领域
本发明属于电池技术领域，具体涉及一种软连接片及其方壳电池。
背景技术
现有大多数方壳电池采用硬连接件，其占用空间大，只有一小部分接触导电，影响锂电池的倍率性能。
发明内容
有鉴于此，本发明的主要目的在于提供一种软连接片及其方壳电池。
为达到上述目的，本发明的技术方案是这样实现的：
本发明实施例提供一种软连接片，其包括包括上片和下片，所述上片沿弯折处折90°直角，所述下片的一侧通过超声波预焊焊接在上片的弯折处构成T型软连接片。
上述方案中，所述上片上再通过超声波预焊叠加焊接至少一个相同结构的上片；所述下片上再通过超声波预焊叠加焊接至少一个相同结构的下片。
上述方案中，所述位于最上方的上片的左右两侧分别设置有用于超声波预焊的焊接区域。
本发明实施例还提供一种方壳电池，包括如上述方案中任意一项所述的软连接片、上盖板、电芯极耳；所述软连接片的焊接区域与上盖板焊接，所述软连接片的开口处夹持电芯极耳进行超声波焊接。
与现有技术相比，本发明能够节省电芯空间，提高锂电池的体积比能量率，而且，本发明的导电和导电面积大，提高锂电池的倍率性能。
附图说明
图1为本发明实施例提供一种软连接片的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例提供一种软连接片，如图1所示，其包括包括上片1和下片2，所述上片1沿弯折处折90°直角，所述下片2的一侧通过超声波预焊焊接在上片1的弯折处构成T型软连接片；通过所述软件连接片使得多极耳方壳电池正、负极柱与电芯极耳软连接，能够节省电芯空间，提高锂电池的体积比能量率，而且导电和导电面积大，提高锂电池的倍率性能。
所述上片1上再通过超声波预焊叠加焊接至少一个相同结构的上片1；所述下片2上再通过超声波预焊叠加焊接至少一个相同结构的下片2。
所述位于最上方的上片1的左右两侧分别设置有用于超声波预焊的焊接区域3。
所述的上片1和下片2独立分开，外形尺寸相同。
本发明实施例还提供一种方壳电池，包括所述软连接片、上盖板、电芯极耳；所述软连接片的焊接区域3与上盖板焊接，所述软连接片的开口处4夹持电芯极耳进行超声波焊接。
所述多极耳方壳电池正、负极柱与电芯极耳连接方式，采用软连接片的方式节省电芯空间，提高锂电池的体积比能量率，而且，所述软连接片的导电和导电面积大，提高锂电池的倍率性能。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。

Claims (4)

1.一种软连接片，其特征在于，其包括包括上片和下片，所述上片沿弯折处折90°直角，所述下片的一侧通过超声波预焊焊接在上片的弯折处构成T型软连接片。
2.根据权利要求1所述的一种软连接片，其特征在于，所述上片上再通过超声波预焊叠加焊接至少一个相同结构的上片；所述下片上再通过超声波预焊叠加焊接至少一个相同结构的下片。
3.根据权利要求2所述的一种软连接片，其特征在于，所述位于最上方的上片的左右两侧分别设置有用于超声波预焊的焊接区域。
4.一种方壳电池，其特征在于，包括如权利要求1至3中任意一项所述的软连接片、上盖板、电芯极耳；所述软连接片的焊接区域与上盖板焊接，所述软连接片的开口处夹持电芯极耳进行超声波焊接。
CN201710824270.8A 2017-09-13 2017-09-13 软连接片及其方壳电池 Pending CN109494496A (zh)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201364919Y (zh) * 2009-02-27 2009-12-16 天津力神电池股份有限公司 聚合物锂离子电池保护板触片
CN102489857A (zh) * 2011-12-08 2012-06-13 天津力神电池股份有限公司 一种锂离子电池正极铝极耳和镍带之间的焊接方法
JP2012169064A (ja) * 2011-02-10 2012-09-06 Hitachi Vehicle Energy Ltd 角形二次電池およびその製造方法
CN102969477A (zh) * 2012-11-09 2013-03-13 中航锂电（洛阳）有限公司 锂离子电池及其极耳与极柱的连接件
CN203103421U (zh) * 2013-02-04 2013-07-31 中聚电池研究院有限公司 锂离子电池
CN203377303U (zh) * 2013-07-08 2014-01-01 中航锂电（洛阳）有限公司 锂电池极耳与极柱的连接件及使用该连接件的锂电池
CN204947023U (zh) * 2015-07-15 2016-01-06 中航锂电（洛阳）有限公司 软连接折弯模具及使用该折弯模具的软连接加工装置
CN106129317A (zh) * 2016-08-23 2016-11-16 杭州拂晓新材料科技有限公司 一种铜排软连接及其制备方法
CN206076349U (zh) * 2016-08-16 2017-04-05 宁德时代新能源科技股份有限公司 电连接片及电池模组
CN207303404U (zh) * 2017-09-13 2018-05-01 河北银隆新能源有限公司 一种软连接片及其方壳电池

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201364919Y (zh) * 2009-02-27 2009-12-16 天津力神电池股份有限公司 聚合物锂离子电池保护板触片
JP2012169064A (ja) * 2011-02-10 2012-09-06 Hitachi Vehicle Energy Ltd 角形二次電池およびその製造方法
CN102489857A (zh) * 2011-12-08 2012-06-13 天津力神电池股份有限公司 一种锂离子电池正极铝极耳和镍带之间的焊接方法
CN102969477A (zh) * 2012-11-09 2013-03-13 中航锂电（洛阳）有限公司 锂离子电池及其极耳与极柱的连接件
CN203103421U (zh) * 2013-02-04 2013-07-31 中聚电池研究院有限公司 锂离子电池
CN203377303U (zh) * 2013-07-08 2014-01-01 中航锂电（洛阳）有限公司 锂电池极耳与极柱的连接件及使用该连接件的锂电池
CN204947023U (zh) * 2015-07-15 2016-01-06 中航锂电（洛阳）有限公司 软连接折弯模具及使用该折弯模具的软连接加工装置
CN206076349U (zh) * 2016-08-16 2017-04-05 宁德时代新能源科技股份有限公司 电连接片及电池模组
CN106129317A (zh) * 2016-08-23 2016-11-16 杭州拂晓新材料科技有限公司 一种铜排软连接及其制备方法
CN207303404U (zh) * 2017-09-13 2018-05-01 河北银隆新能源有限公司 一种软连接片及其方壳电池

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