CN212485457U - 可扩展式的软包动力电池模组 - Google Patents

可扩展式的软包动力电池模组 Download PDF

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CN212485457U
CN212485457U CN202021324861.2U CN202021324861U CN212485457U CN 212485457 U CN212485457 U CN 212485457U CN 202021324861 U CN202021324861 U CN 202021324861U CN 212485457 U CN212485457 U CN 212485457U
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electric core
power battery
insulating
support piece
battery module
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张志奇
陈保国
黄鑫
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Tianjin EV Energies Co Ltd
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    • H—ELECTRICITY
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    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
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    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
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    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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    • 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
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
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Abstract

本实用新型提供了可扩展式的软包动力电池模组，属于动力电池零配件技术领域，包括电芯组件，所述电芯组件包括电芯、散热铝板、绝缘导向支撑件、绝缘防护盖和结构粘接胶层，所述电芯有两片，电芯的两端有极耳，极耳通过铜排焊接在一起，所述结构粘接胶层设置在焊接后的电芯的外侧面和散热铝板的内侧面之间且铺满电芯的外侧面，所述绝缘导向支撑件共有两件，分别固定在散热铝板的两端，所述绝缘防护盖有两片，分别与两件绝缘导向支撑件固定在一起。本实用新型结构合理，空间利用率高，安全性好，后期维修保养成本低。

Description

可扩展式的软包动力电池模组
技术领域
本实用新型属于动力电池零配件技术领域，涉及可扩展式的软包动力电池模组。
背景技术
在软包动力电池领域，现有批量生产的项目通常采用标准模组的方式对电池包进行布置，不可避免的，模组与模组之间需要预留组装间隙和膨胀空间，前者是用于生产工具和工装的操作空间，后者是为了防止模组在寿命的末期发生膨胀变形，这就导致电池组内部空间利用率较低，降低了电池组的体积能量密度，这就需要一种新型可扩展式的软包动力电池模组解决这一问题。
实用新型内容
本实用新型要解决的问题是可扩展式的软包动力电池模组，属于动力电池零配件技术领域，结构合理，空间利用率高，安全性好，后期维修保养成本低。
为解决上述技术问题，本实用新型采用的技术方案是：可扩展式的软包动力电池模组，属于动力电池零配件技术领域，包括电芯组件，所述电芯组件包括电芯、散热铝板、绝缘导向支撑件、绝缘防护盖和结构粘接胶层，所述电芯有两片，电芯的两端有极耳，极耳通过铜排焊接在一起，所述结构粘接胶层设置在焊接后的电芯的外侧面和散热铝板的内侧面之间且铺满电芯的外侧面，所述绝缘导向支撑件共有两件，分别固定在散热铝板的两端，所述绝缘防护盖有两片，分别与两件绝缘导向支撑件固定在一起。
进一步的，绝缘防护盖和绝缘导向支撑件通过卡扣连接在一起。
进一步的，六个电芯组件组合成VDA标准模组，相邻的电芯组件通过绝缘导向支撑件上的连接孔固定在一起，连接孔的一端有凸起，另一端有凹槽，极耳处通过铜排连接在一起。
进一步的，相邻的电芯组件之间留有间隙，间隙为0.5～2mm。
进一步的，还包括侧挡板，所述侧挡板固定在组合后的VDA标准模组的一侧。
与现有技术相比，本实用新型具有的优点和积极效果如下：
1.本实用新型结构合理，空间利用率高，安全性好，后期维修保养成本低。
2.本实用新型的绝缘防护盖和绝缘导向支撑件通过卡接结构固定，安装牢固，拆卸方便。
3.本实用新型相邻的电芯组件之间留有间隙，将原有模组间间隙空间利用至电芯组件内部，提高了电池系统的空间利用率，提高了电池模组的空间能量密度和质量能量密度。
4.本实用新型相邻的VDA标准模组通过侧挡板连接，充分利用电池箱体在宽度方向的尺寸，进行模组级别的热失控、循环耐久、电芯空间的设计，提升模组级别的安全防护，提升电池系统的安全性及能量密度。
附图说明
构成本实用新型的一部分的附图用来提供对本实用新型的进一步理解，本实用新型的示意性实施例及其说明用于解释本实用新型，并不构成对本实用新型的不当限定。在附图中：
图1是本实用新型可扩展式的软包动力电池模组的示意图；
图2是本实用新型可扩展式的软包动力电池模组的分离状态图；
图3是本实用新型可扩展式的软包动力电池模组的VDA标准模组示意图；
图4是本实用新型可扩展式的软包动力电池模组的2个VDA标准模组的组合状态图；
图5是本实用新型可扩展式的软包动力电池模组的散热铝板和绝缘导向支撑件的组合状态的示意图。
附图标记：
1、电芯组件；2、VDA标准模组；11、电芯；12、散热铝板；13、绝缘导向支撑件；14、绝缘防护盖；15、结构粘接胶层；16、卡扣；21、侧挡板；31、连接孔。
具体实施方式
需要说明的是，在不冲突的情况下，本实用新型中的实施例及实施例中的特征可以相互组合。
在本实用新型的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。此外，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以通过具体情况理解上述术语在本实用新型中的具体含义。
下面结合附图对本实用新型的具体实施例做详细说明。
如图1～5所示，本实用新型为可扩展式的软包动力电池模组，属于动力电池零配件技术领域，包括电芯组件，电芯组件包括电芯、散热铝板、绝缘导向支撑件、绝缘防护盖和结构粘接胶层，电芯有两片，电芯的两端有极耳，极耳通过铜排焊接在一起，结构粘接胶层设置在焊接后的电芯的外侧面和散热铝板的内侧面之间且铺满电芯的外侧面，市场上购买的结构粘接胶均可涂抹在结构粘接胶层上，如高性能硅酮结构胶或中性透明硅酮结构胶，绝缘导向支撑件共有两件，分别固定在散热铝板的两端，绝缘防护盖有两片，分别与两件绝缘导向支撑件固定在一起。
优选地，绝缘防护盖和绝缘导向支撑件通过卡扣连接在一起，安装牢固，拆卸方便。
优选地，六个电芯组件组合成VDA标准模组，VDA标准模组是行业内应用最广泛的12只电芯组成的模组，VDA标准模组的尺寸为355*152*108mm，355mm是长度，152mm是宽度，108mm是高度，规范化和标准化程度高，有利于动力电池的推广和应用，相邻的电芯组件通过绝缘导向支撑件上的连接孔固定在一起，连接孔的一端有凸起，另一端有凹槽，凸起伸进凹槽中完成固定，极耳处通过铜排连接在一起。
优选地，相邻的电芯组件之间留有间隙，间隙为0.5～2mm，将原有模组间间隙空间利用至电芯组件之间，提高了电池系统的空间利用率，提高了电池模组的空间能量密度和质量能量密度。
优选地，侧挡板固定在组合后的VDA标准模组的一侧，可以根据不同的电池箱体的宽度，对VDA标准模组进行宽度方向上的扩展，相邻的VDA标准模组通过侧挡板连接，充分利用电池箱体在宽度方向的尺寸，进行模组级别的热失控、循环耐久、电芯空间的设计，提升模组级别的安全防护，提升电池系统的安全性及能量密度。
在实际工作过程中，将两个电芯两端的极耳使用铜排两两焊接在一起来实现电芯的串并连，将绝缘导向支撑件和两个散热铝板预先加工成一个组合件，电芯的一侧涂抹结构粘接胶层与散热铝板连接，两片绝缘防护盖分别与两件绝缘导向支撑件固定在一起，组合成为电芯组件，六个电芯组件通过连接孔连接组成VDA标准模组，多个VDA标准模组可以根据不同的电池箱体的宽度进行扩展，满足不同尺寸电池箱体的需要。
以上对本实用新型的一个实施例进行了详细说明，但所述内容仅为本实用新型的较佳实施例，不能被认为用于限定本实用新型的实施范围。凡依本实用新型申请范围所作的均等变化与改进等，均应仍归属于本实用新型的专利涵盖范围之内。

Claims (5)

1.可扩展式的软包动力电池模组，其特征在于：包括电芯组件，所述电芯组件包括电芯、散热铝板、绝缘导向支撑件、绝缘防护盖和结构粘接胶层，所述电芯有两片，电芯的两端有极耳，极耳通过铜排焊接在一起，所述结构粘接胶层设置在焊接后的电芯的外侧面和散热铝板的内侧面之间且铺满电芯的外侧面，所述绝缘导向支撑件共有两件，分别固定在散热铝板的两端，所述绝缘防护盖有两片，分别与两件绝缘导向支撑件固定在一起。
2.根据权利要求1所述的可扩展式的软包动力电池模组，其特征在于：绝缘防护盖和绝缘导向支撑件通过卡扣连接在一起。
3.根据权利要求1所述的可扩展式的软包动力电池模组，其特征在于：六个电芯组件组合成VDA标准模组，相邻的电芯组件通过绝缘导向支撑件上的连接孔固定在一起，连接孔的一端有凸起，另一端有凹槽，极耳处通过铜排连接在一起。
4.根据权利要求1所述的可扩展式的软包动力电池模组，其特征在于：相邻的电芯组件之间留有间隙，间隙为0.5～2mm。
5.根据权利要求1至4任一项所述的可扩展式的软包动力电池模组，其特征在于：还包括侧挡板，所述侧挡板固定在组合后的VDA标准模组的一侧。
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CN114552061A (zh) * 2022-02-22 2022-05-27 上海奥威科技开发有限公司 一种软包电芯单元及其超级电容器
CN115312983A (zh) * 2022-02-22 2022-11-08 上海奥威科技开发有限公司 一种储能模组及其储能包

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CN114300811A (zh) * 2021-12-29 2022-04-08 贵州梅岭电源有限公司 一种刀片电池组结构

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Publication number Priority date Publication date Assignee Title
CN114552061A (zh) * 2022-02-22 2022-05-27 上海奥威科技开发有限公司 一种软包电芯单元及其超级电容器
CN115312983A (zh) * 2022-02-22 2022-11-08 上海奥威科技开发有限公司 一种储能模组及其储能包

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