CN111466041A - 电池模块 - Google Patents
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- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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Abstract
公开了一种电池模块,包括:通过堆叠多个电池单元而构成的电池单元组件;与所述电池单元组件的端部相邻设置的端板;和插置在所述电池单元组件的所述端部与所述端板之间的冲击吸收构件,其中所述冲击吸收构件是由多根纤维形成的织物或无纺布。
Description
技术领域
本申请要求于2018年11月19日递交的韩国专利申请第2018-0142758号的优先权的权益,通过引用将上述专利申请的公开内容整体结合在此。
本发明涉及一种电池模块。
背景技术
近年来,随着对诸如笔记本电脑、智能电话和平板电脑之类的便携式电子装置的需求增加,已对能够重复充电和放电的高性能二次电池积极进行了研究。
此外,二次电池已广泛用在诸如车辆、机器人和卫星之类的中大型装置以及诸如便携式电子装置之类的小型装置中。特别是,随着化石燃料正在耗尽以及对环境污染越来越关注,正积极进行对混合动力车辆和电动车辆的研究。混合动力车辆或电动车辆最核心的部分是配置为给发动机提供电力的电池组。
由于混合动力车辆或电动车辆可从电池组获得驱动力,因此与仅使用内燃机的车辆相比,混合动力车辆或电动车辆的优点在于:燃料经济性高和没有污染物排放,或者可减少污染物排放的量。混合动力车辆或电动车辆中使用的电池组包括具有多个电池单元的电池模块,多个电池单元彼此串联和/或并联连接,由此增加电池模块的容量和输出。
由于多个电池单元以紧密的状态设置在电池模块中,因此必须确保电池模块抵抗外部冲击的安全性。在由于诸如电池模块的跌落之类的各种原因而导致物理冲击施加至电池单元的情况下,电池单元会被损坏,并且每个电池单元中的电解液会排放到外部。此外,在多个电池单元被物理冲击损坏的情况下,在多个电池单元之间会发生外部短路,由此电池模块可能着火或***。
因此,需要提供一种即使在冲击施加至电池模块的情况下也能够防止在多个电池单元之间发生外部短路的构造。
发明内容
技术问题
鉴于上述问题做出了本发明,本发明的目的是提供一种配置成即使在物理冲击施加至电池模块的情况下也能够防止在多个电池单元之间发生外部短路的电池模块。
技术方案
为实现上述目的而提供的根据本发明实施方式的电池模块可包括:通过堆叠多个电池单元而构成的电池单元组件;与所述电池单元组件的端部相邻设置的端板;和插置在所述电池单元组件的所述端部与所述端板之间的冲击吸收构件,其中所述冲击吸收构件可以是由多根纤维形成的织物或无纺布。
每根纤维可以是芳族聚酰胺类电绝缘纤维。
所述冲击吸收构件可具有朝向所述多个电池单元之间突出的突出部。
所述突出部可形成为使得所述突出部的宽度朝向所述多个电池单元逐渐减小。
所述突出部可设置有朝向所述多个电池单元之间的具有锐角的尖端。
在所述端板的与所述冲击吸收构件面对的表面上可设置有朝向所述多个电池单元之间突起的突起部。
所述突起部可形成为使得所述突起部的宽度朝向所述多个电池单元之间逐渐减小。
根据本发明实施方式的电池模块可进一步包括配置为容纳所述电池单元组件以便包裹所述电池单元组件的框架,其中所述端板可固定至所述框架。
附图说明
图1是示意性示出根据本发明第一实施方式的电池模块的分解透视图。
图2是示意性示出根据本发明第一实施方式的电池模块的一部分的剖面图。
图3是示意性示出根据本发明第二实施方式的电池模块的一部分的剖面图。
图4是示意性示出在根据本发明第三实施方式的电池模块的分解透视图。
图5是示意性示出根据本发明第三实施方式的电池模块的一部分的剖面图。
具体实施方式
下文中,将参照附图详细描述根据本发明实施方式的电池模块。
如图1和图2中所示,根据本发明第一实施方式的电池模块可包括:通过堆叠多个电池单元110而构成的电池单元组件100;配置为容纳电池单元组件100以便包裹电池单元组件的框架200;与电池单元组件100的相对端部相邻设置的端板300;和插置在电池单元组件100的相对端部的每一个与相应一个端板300之间的冲击吸收构件400。
例如,每个电池单元110可以是袋形电池单元。在这种情况下,电池单元110可具有电极组件和配置为容纳电极组件的袋。可通过组装多个电极板(正极板和负极板)和多个隔膜来组成电极组件。电极组件的每个电极板都设置有电极接片,并且多个电极接片可连接至电极引线111。电极引线111从袋向外暴露,并且电极引线111的暴露部分可用作电池单元110的电极端子。
电极引线111可包括正极引线和负极引线。多个电池单元110的电极引线111可通过焊接彼此并联或串联连接。结果,多个电池单元110可彼此电连接。
例如,多个正极引线可从电池单元组件100向前伸出,多个负极引线可从电池单元组件100向后伸出。在这种情况下,正极引线和负极引线之间不存在干扰。作为另一示例,正极引线和负极引线均可从电池单元组件100向前或向后伸出。
框架200在其中限定的空间中容纳多个电池单元110。框架200用于保护多个电池单元110的外边缘免受外部影响。框架200配置为支撑多个电池单元110,使得多个电池单元不移动。在框架200的相对侧面中形成有开口,使得电池单元组件100的相对端部通过框架200的开口向外暴露。
端板300可使用诸如螺栓连接、焊接和铆接之类的各种方法结合至框架200。端板300可结合至框架200以封盖框架200的开口。端板300可用于支撑电池单元组件100的相对端部并且防止电池模块的外部形状由于电池单元组件100膨胀而改变。每个端板300可由高刚性金属制成。
在物理冲击施加至电池模块并且端板300变形的情况下,冲击吸收构件400用于吸收端板300的一些变形。此外,当端板300变形时,冲击吸收构件400用于进入到多个电池单元110之间,以便将多个电池单元110彼此隔离。因此,即使在物理冲击施加至电池模块并且端板300变形的情况下,也可防止在多个电池单元110之间发生外部短路。
每个冲击吸收构件400可以是由多根纤维形成的织物或无纺布。因此,当端板300变形时,冲击吸收构件400的多根纤维可进入到多个电池单元110之间。由于每个冲击吸收构件400由多根纤维形成,因此冲击吸收构件400可表现出预定的柔性。结果,冲击吸收构件400可容易进入到多个电池单元110之间。
在此,构成冲击吸收构件400的每根纤维优选为芳族聚酰胺类电绝缘纤维(防弹材料)。由于构成冲击吸收构件400的每根纤维是电绝缘纤维,因此当端板300变形时,冲击吸收构件400的多根纤维可进入到多个电池单元110之间,从而将多个电池单元110彼此隔离。此外,冲击吸收构件的多根纤维可防止在多个电池单元110与外部导体之间发生外部短路。此外,由于构成冲击吸收构件400的每根纤维是芳族聚酰胺类纤维,因此可使多个电池单元110的变形最小。
在根据本发明第一实施方式的电池模块中,在电池单元组件100与端板300之间插置有每个都由多根纤维形成的冲击吸收构件400。因此,在由于电池模块的跌落等造成外力施加至端板300并且使端板300变形的情况下,构成冲击吸收构件400的多根纤维可进入到多个电池单元110之间。因此,即使在端板300由于外部冲击而变形的情况下,也可防止在多个电池单元110之间发生外部短路以及在电池单元110和与其邻近的导体之间发生外部短路,并且可使多个电池单元110的变形最小。
下文中,将参照图3描述根据本发明第二实施方式的电池模块。与本发明第一实施方式的部件相同的部件由相同的参考标记表示,并且将省略其详细描述。
如图3中所示,根据本发明第二实施方式的电池模块可配置为使得冲击吸收构件400具有朝向多个电池单元110之间突出的突出部410。每个突出部410可具有楔形形状,其宽度朝向多个电池单元110中的相应电池单元逐渐减小。突出部410可设置有具有锐角的尖端。
在根据本发明第二实施方式的电池模块中,冲击吸收构件400具有朝向多个电池单元110之间突出的突出部410。因此,在端板300由于外部冲击而变形的情况下,冲击吸收构件400的楔形突出部410可进入到多个电池单元110之间,从而构成冲击吸收构件400的多根纤维可更容易进入到多个电池单元110之间。
下文中,将参照图4和图5描述根据本发明第三实施方式的电池模块。与本发明的第一实施方式和第二实施方式的部件相同的部件由相同的参考标记表示,并且将省略其详细描述。
如图4和图5中所示,根据本发明第三实施方式的电池模块可配置为在端板300的与冲击吸收构件400面对的表面上设置有朝向多个电池单元110之间突起的突起部310。每个突起部310可具有楔形形状,其宽度朝向多个电池单元110中的相应电池单元之间逐渐减小。
在根据本发明第三实施方式的电池模块中,在端板300的与冲击吸收构件400面对的表面上设置有朝向多个电池单元110之间突起的突起部310。因此,在端板300由于外部冲击而变形的情况下,冲击吸收构件400被突起部310推动,从而冲击吸收构件400可更容易进入到多个电池单元110之间。
已经说明性地描述了本发明的优选实施方式;然而,本发明的范围不限于这些具体实施方式,可在权利要求中描述的范畴内适当地改变。
(参考标记说明)
100:电池单元组件
110:电池单元
200:框架
300:端板
310:突起部
400:冲击吸收构件
410:突出部。
工业实用性
在根据本发明实施方式的电池模块中,在电池单元组件与端板之间插置有由多根纤维形成的冲击吸收构件。因此,在由于电池模块的跌落等造成外力施加至端板并且使端板变形的情况下,构成冲击吸收部件的多根纤维进入到多个电池单元之间。因此,即使在端板由于外部冲击而变形的情况下,也可防止在多个电池单元之间发生外部短路以及在电池单元和与其相邻的导体之间发生外部短路,并且可使多个电池单元的变形最小。
Claims (9)
1.一种电池模块,包括:
通过堆叠多个电池单元而构成的电池单元组件;
与所述电池单元组件的端部相邻设置的端板;和
插置在所述电池单元组件的所述端部与所述端板之间的冲击吸收构件,
其中
所述冲击吸收构件是由多根纤维形成的织物或无纺布。
2.根据权利要求1所述的电池模块,其中每根纤维是芳族聚酰胺类电绝缘纤维。
3.根据权利要求1所述的电池模块,其中所述冲击吸收构件具有朝向所述多个电池单元之间突出的突出部。
4.根据权利要求3所述的电池模块,其中所述突出部形成为使得所述突出部的宽度朝向所述多个电池单元逐渐减小。
5.根据权利要求3所述的电池模块,其中所述突出部设置有朝向所述多个电池单元之间的具有锐角的尖端。
6.根据权利要求1所述的电池模块,其中在所述端板的与所述冲击吸收构件面对的表面上设置有朝向所述多个电池单元之间突起的突起部。
7.根据权利要求6所述的电池模块,其中所述突起部形成为使得所述突起部的宽度朝向所述多个电池单元之间逐渐减小。
8.根据权利要求1所述的电池模块,进一步包括:
配置为容纳所述电池单元组件以便包裹所述电池单元组件的框架,
其中
所述端板固定至所述框架。
9.一种电池组,所述电池组包括根据权利要求1至8中任一项所述的电池模块。
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JP2021509757A (ja) | 2021-04-01 |
WO2020105967A1 (ko) | 2020-05-28 |
US20210249724A1 (en) | 2021-08-12 |
JP7176816B2 (ja) | 2022-11-22 |
US11302985B2 (en) | 2022-04-12 |
CN111466041B (zh) | 2022-05-13 |
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KR20200058136A (ko) | 2020-05-27 |
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