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vehicle battery module

A technology for battery modules and vehicles, which is applied in the direction of batteries, battery covers/end covers, battery pack components, etc. It can solve the problems of external short circuit of the battery and questionable safety, and achieve improved overcurrent capability, simple structure, and improved safety. performance effect

Inactive Publication Date: 2016-07-06
上海太鼎汽车工程技术有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Parallel connection of multiple single cells is an effective way to increase the capacity of the battery module. At present, the parallel connection of single cells in the battery module is generally directly connected in parallel with busbars made of red copper that can withstand high currents. However, once the parallel connection of the battery pack When there is an internal short circuit of a single battery, it will cause an external short circuit of other single batteries, and the safety is questionable

Method used

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with specific examples.

[0028] see figure 2 , a vehicle battery module of the present invention includes a plurality of battery packs 11 , the battery packs 11 are arranged along a first direction and connected to each other through the connection assembly 2 , and the battery packs 11 form a battery queue 1 .

[0029] see figure 1 , in this embodiment, every five single cells 111 and two busbars 112 form a battery pack 11, the single cells 111 are arranged along a first direction on the same pole and on the same side, and each busbar 112 includes a busbar row 1121 and a safety element 1122 , the bus bar 1121 is connected to the positive pole of each single battery 111 or the negative pole of each single battery 111 in the battery pack 11 through the safety piece 1122 .

[0030] One side of the safety member 1122 is spaced apart to form a plurality of connecting parts 11221 corresponding to the pos...

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Abstract

The invention discloses a vehicle battery module, comprising a plurality of single cells and an even number of busbars, the single cells are arranged along a first direction on the same pole and on the same side, and each of the busbars includes a busbar row and a safety element, the bus bar is connected to the positive pole or the negative pole of the single battery through the safety element. Due to the adoption of the vehicle battery module of the present invention, it has the advantages of small volume, high energy density, high power characteristic and good safety.

Description

technical field [0001] The invention relates to a battery module, in particular to a vehicle battery module. Background technique [0002] The battery module plays the role of storing energy in the electric vehicle, in order to meet the power, driving range and safety performance of the electric vehicle. Battery modules are required to have high power characteristics, energy density, and safety and reliability. Before the single battery technology has achieved a breakthrough, reducing the module volume is a direct way to increase the energy density of the module. Parallel connection of multiple single cells is an effective way to increase the capacity of the battery module. At present, the parallel connection of single cells in the battery module is generally directly connected in parallel with busbars made of red copper that can withstand high currents. However, once the parallel connection of the battery pack When there is an internal short circuit of a single battery, i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/20H01M2/34H01M2/10H01M50/244H01M50/249H01M50/298H01M50/503H01M50/505H01M50/583
CPCH01M2220/20H01M50/147H01M50/24H01M50/597H01M50/531H01M50/20Y02E60/10
Inventor 解鹏徐波庞常巍吴昊韩豫萍仇敏马志雄吴宪
Owner 上海太鼎汽车工程技术有限公司
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