CN102779954A - 电池模块和用于制造电池模块的方法 - Google Patents

电池模块和用于制造电池模块的方法 Download PDF

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CN102779954A
CN102779954A CN2012101019190A CN201210101919A CN102779954A CN 102779954 A CN102779954 A CN 102779954A CN 2012101019190 A CN2012101019190 A CN 2012101019190A CN 201210101919 A CN201210101919 A CN 201210101919A CN 102779954 A CN102779954 A CN 102779954A
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乔斯·佩恩
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LG Energy Solution Ltd
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    • H01M50/50—Current conducting connections for cells or batteries
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Abstract

本发明提供了一种电池模块和用于制造电池模块的方法。该模块包括电池单元，该电池单元具有从电池部分延伸的电端子。该模块进一步包括互连板和弹性层，该互连板具有用于接纳通过互连板的电端子的孔隙，弹性层具有延伸通过其的孔隙。该弹性层被邻近于互连板地布置，使得电端子延伸通过互连板的孔隙并且进一步延伸通过弹性层的孔隙。该模块进一步包括灌封化合物，该灌封化合物被布置在弹性层上使得该层防止灌封化合物接触电池部分。

Description

电池模块和用于制造电池模块的方法
背景技术
电池模块已经被设计有这样的电池单元，其具有被封装在灌封化合物中的电池突片。这里本发明人已经认识到，以上电池模块的缺陷在于，当围绕电池单元突片涂敷灌封化合物时，灌封化合物能够泄漏到电池模块中并且不期望地接触电池部分或者电池袋。而且，灌封化合物能够不期望地填充在电池部分之间的冷却通道中。
发明内容
提供了一种根据示例性实施例的电池模块。该电池模块包括多个电池单元，该多个电池单元具有从电池部分延伸的电端子。该电池模块进一步包括互连板，该互连板具有延伸通过该互连板的多个孔隙，用于接纳通过该互连板的电端子。该电池模块进一步包括弹性层，该弹性层具有延伸通过该弹性层的多个孔隙。该弹性层被邻近于互连板地布置，使得电端子延伸通过互连板的多个孔隙并且进一步延伸通过弹性层的多个孔隙。该电池模块进一步包括灌封化合物，该灌封化合物被布置在弹性层上使得弹性层防止灌封化合物接触电池部分。
提供了一种根据另一示例性实施例的、制造电池模块的方法。该方法包括将多个电池单元布置在多个框架构件中。该多个电池单元具有从电池部分延伸的电端子。电端子延伸通过在框架构件中的孔隙。该方法进一步包括：将互连板邻近于该多个电池单元地布置，使得延伸通过互连板的多个孔隙接纳通过该多个孔隙的电端子。该方法进一步包括：将弹性层邻近于互连板地布置，使得电端子延伸通过互连板的多个孔隙，进一步延伸通过弹性层的多个孔隙。该方法进一步包括：将灌封化合物布置在弹性层和电端子上，使得弹性层防止灌封化合物接触电池部分。
附图说明
图1是根据示例性实施例的电池模块的示意图；
图2是图1的电池模块的分解视图；
图3是图1的电池模块的一部分的示意图；
图4是图1的电池模块的一部分的另一示意图；
图5是图1的电池模块的侧视图；
图6是沿着线6-6截取的、图5的电池模块的横截面视图；
图7是图3的电池模块的放大横截面视图；
图8是图3的电池模块的另一放大横截面视图；
图9是在图1的电池模块中利用的互连载架和互连板的分解视图；
图10是在图1的电池模块中利用的互连载架的截面视图；
图11是在图1的电池模块中利用的互连载架的另一横截面视图；
图12是在图7的电池模块中利用的互连载架和互连板的另一示意图；
图13是根据一示例性实施例在图1的电池模块中利用的弹性层的示意图；并且
图14是根据另一示例性实施例的制造图1的电池模块的方法的流程图。
具体实施方式
参考图1-4，提供了根据示例性实施例的、具有弹性层100的电池模块10。电池模块10包括多个电池单元20、多个框架构件50、互连载架80、互连板90、弹性层100和灌封化合物110。
参考图5-8，多个电池单元20中的每一个电池单元均被构造为产生工作电压。在一个示例性实施例中，电池单元20中的每一个电池单元均是袋型锂离子电池单元。当然，可以利用本领域技术人员已知的其它类型的电池单元。而且，在示例性实施例中，多个电池单元20被相互串联电连接。在可替代实施例中，多个电池单元20可以被相互并联电连接。多个电池单元20中的每一个电池单元均包括电池部分130，电端子132、134从电池部分130延伸。在一个示例性实施例中，电池部分130是包含电池单元的活性元件的袋。
参考图1和6，多个框架构件50被设置成在单一组件中将该多个电池单元20联接到一起。特别地，多个框架构件50被联接到一起并且将电池单元20保持在框架构件之间。在一个示例性实施例中，多个框架构件50由塑料构成。
参考图2和9-12，互连载架80被构造成被联接到多个框架构件50的顶部部分并且被构造成将互连板90保持在其中。互连载架80包括基部230和被联接到基部230的周边侧壁232、234、236、238。基部230具有延伸通过基部的多个孔隙250。互连载架80被设置在多个电池单元20和互连板90之间使得来自电池单元20的电端子(例如，电端子132、134)通过互连载架80的多个孔隙250延伸。在一个示例性实施例中，互连载架80由塑料构成。
互连板90被设置成将来自多个电池单元20的电端子电连接到一起。互连板90包括电路板280、多个互连构件382、第一电连接器和第二电连接器386、388以及第一电接柱(electrical post)和第二电接柱392、393。电路板280具有延伸通过其的多个孔隙390，以用于接纳来自多个电池单元20的电端子。特别地，来自多个电池单元20的电端子延伸通过互连载架80的多个孔隙250，并且进一步延伸通过电路板280中的多个孔隙390。多个互连构件382中的每一个互连构件均被邻近于多个孔隙390中的相应孔隙地联接到电路板280。互连构件382由导电金属或者金属合金构成。多个互连构件382中的每一个互连构件均被焊接到多个电池单元20的相应电端子。第一电连接器和第二电连接器386、388被联接到电路板280并且被电连接到多个互连构件382。第一电接柱和第二电接柱392、393被电连接到邻近于第一电接柱和第二电接柱392、393设置的相应互连构件。
参考图2、4、9和13，弹性层100被构造成防止灌封化合物110接触多个电池单元20的电池部分或者电池袋。而且，弹性层100防止灌封化合物100填充在电池单元20之间的空气冷却通道中。弹性层100具有平坦部分398和被联接到平坦部分398的凸缘部分399。平坦部分398包括延伸通过平坦部分的多个孔隙400，所述孔隙具有足以允许电池单元20的电端子延伸通过使得平坦部分398的邻近于孔隙400的部分对电端子的外表面密封的尺寸。弹性层100在周边侧壁232、234、236、238之间被邻近于互连板90设置使得来自多个电池单元20的电端子延伸通过互连板90的多个孔隙390并且进一步延伸通过弹性层100的多个孔隙400。弹性层100的周边侧对互连载架80的周边壁232、234、236、238密封。
弹性层100进一步包括延伸通过弹性层的孔隙410、412、414、416。孔隙410、412被构造成通过孔隙分别接纳第一电端子和第二电端子386、388。孔隙414、416被构造成通过孔隙分别接纳电接柱392、393。在一个示例性实施例中，弹性层100由橡胶化合物构成。在可替代实施例中，弹性层100能够由本领域技术人员已知的任何弹性材料构造。在一个示例性实施例中，弹性层100的厚度是2毫米。当然，在可替代实施例中，弹性层100的厚度可以大于2毫米或者小于2毫米。灌封化合物110被设置在弹性层100上，使得弹性层100防止灌封化合物110接触多个电池单元20的电池部分或者电池袋。
参考图1、3、6和14，现在将说明根据另一示例性实施例的、用于制造电池模块10的方法的流程图。
在步骤500中，操作员将多个电池单元20布置在多个框架构件50中。多个电池单元20具有从其电池部分延伸的电端子。电端子延伸通过在框架构件50中的孔隙。
在步骤502中，操作员将互连板90布置在互连载架80中。互连板90具有布置在其上且被联接到其的多个互连构件382以及第一电连接器和第二电连接器386、388。互连板90具有延伸通过互连板的多个孔隙390，孔隙390与延伸通过互连载架80的多个孔隙250对准。
在步骤504中，操作员将互连载架80和互连板90邻近于多个电池单元20地布置，使得电端子延伸通过互连载架80的多个孔隙250和互连板90的多个孔隙。
在步骤506中，操作员利用焊接机520将电端子焊接到在互连板90上的互连构件382。
在步骤508中，操作员将弹性层100邻近于互连板90地布置，使得电端子进一步延伸通过弹性层100的多个孔隙400，并且第一电连接器和第二电连接器386、388分别延伸通过弹性层100的第一孔隙和第二孔隙410、412。
在步骤510中，操作员将灌封化合物110布置在互连载架80中、在弹性层100和电端子上，使得灌封化合物110覆盖电端子，并且弹性层100防止灌封化合物110接触多个电池单元20的电池部分。
相对于其它电池模块和方法，电池模块10和制造电池模块10的方法提供了显著的优点。特别地，电池模块10和该方法提供利用弹性构件100来防止灌封化合物接触电池单元的电池部分或者电池袋的技术效果。
虽然已经仅仅结合有限数目的实施例详细描述了要求保护的本发明，但是应该容易理解的是，本发明不限于这些公开的实施例。更确切地，要求保护的本发明能够被修改为结合至此尚未描述但是符合本发明的精神和范围的、任何数目的变型、更改、替代或者等同布置。另外地，虽然已经描述了要求保护的本发明的各种实施例，但是应该理解的是，本发明的方面可以仅仅包括所描述的实施例中的一些实施例。因此，要求保护的本发明不应被视为被前面的说明限制。

Claims (10)

1.一种电池模块，包括：
多个电池单元，所述多个电池单元具有从电池部分延伸的电端子；
互连板，所述互连板具有延伸通过其的多个孔隙，以用于接纳通过所述互连板的所述电端子；
弹性层，所述弹性层具有延伸通过其的多个孔隙，所述弹性层被邻近于所述互连板地布置，使得所述电端子延伸通过所述互连板的所述多个孔隙并且进一步延伸通过所述弹性层的所述多个孔隙；和
灌封化合物，所述灌封化合物被布置在所述弹性层上，使得所述弹性层防止所述灌封化合物接触所述电池部分。
2.根据权利要求1的电池模块，进一步包括：
互连载架，所述互连载架具有延伸通过其的多个孔隙，所述互连载架被布置在所述多个电池单元和所述互连板之间，使得所述电端子延伸通过所述互连载架的所述多个孔隙，且进一步延伸通过所述互连板的所述多个孔隙，并且进一步延伸通过所述弹性层的所述多个孔隙。
3.根据权利要求1的电池模块，其中，所述互连载架包括基部和联接到所述基部的周边侧壁，所述周边侧壁将所述灌封化合物保持在其中。
4.根据权利要求1的电池模块，其中，所述互连板进一步包括从所述互连板延伸的电连接器，并且所述弹性层具有另外的孔隙，所述另外的孔隙被构造成接纳通过所述另外的孔隙的所述电连接器。
5.根据权利要求1的电池模块，其中，所述弹性层由橡胶化合物构成。
6.根据权利要求1的电池模块，进一步包括被布置在所述互连板上的多个互连构件，所述多个互连构件被联接到所述多个电端子。
7.一种制造电池模块的方法，包括：
将多个电池单元布置在多个框架构件中，所述多个电池单元具有从电池部分延伸的电端子，所述电端子延伸通过在所述框架构件中的孔隙；
将互连板邻近于所述多个电池单元地布置，使得延伸通过所述互连板的多个孔隙接纳通过所述多个孔隙的所述电端子；
将弹性层邻近于所述互连板地布置，使得延伸通过所述互连板的所述多个孔隙的所述电端子进一步延伸通过所述弹性层的多个孔隙；和
将灌封化合物布置在所述弹性层和所述电端子上，使得所述弹性层防止所述灌封化合物接触所述电池部分。
8.根据权利要求7的方法，进一步包括：
将互连载架布置在所述互连板上，使得所述互连载架被布置在所述多个电池单元和所述互连板之间，其中所述电端子延伸通过所述互连载架的多个孔隙，且进一步延伸通过所述互连板的多个孔隙，并且进一步延伸通过所述弹性层的多个孔隙。
9.根据权利要求7的方法，其中，将灌封化合物布置在所述弹性层和所述电端子上包括将所述灌封化合物布置在由所述互连载架的周边壁限定的区域内。
10.根据权利要求7的方法，其中，所述弹性层由橡胶化合物构成。
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