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Battery pack

A technology for battery packs and single cells, applied in batteries, battery pack components, circuits, etc., can solve the problems of easy failure of structural adhesives and unstable internal structure of battery packs.

Active Publication Date: 2019-08-13
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in order to reduce the weight of the battery pack, that is, to reduce the weight of the battery pack and increase the specific capacity of the battery pack, structural glue is usually used to bond multiple single cells to assemble a battery pack. In the medium and long-term vibration state, the structural adhesive is very easy to fail, which makes the internal structure of the battery pack unstable

Method used

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Embodiment Construction

[0036] In the present invention, unless otherwise stated, the use of orientation words such as "up, down, left, right" generally refers to the understanding in conjunction with the orientation shown in the drawings and the orientation in practical applications, "inside, "Outside" refers to the inside and outside of the contour of the part.

[0037] The present invention provides a battery pack, the battery pack 1 includes a battery unit 10, the battery unit 10 includes a plurality of single cells 100, each single cell 100 is provided with a connecting member 11, and the battery pack 1 further includes a connecting member capable of connecting with 11 is fitted with a support member 12 to connect the connection members 11 of the adjacent unit cells 100 to each other. By providing the connecting member 11 on each unit cell 100 and providing the supporting member 12 in the battery pack 1 that can cooperate with the connecting member 11, the connecting members 11 of the adjacent u...

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Abstract

The invention relates to the field of batteries, and discloses a battery pack. The battery pack (1) comprises a battery unit (10). The battery unit (10) comprises a plurality of single batteries (100), a connecting component (11) is arranged on each single battery (100), and the battery pack (1) further comprises a supporting component (12) which can be matched with the connecting components (11)to connect the connecting components (11) of the adjacent single batteries (100). According to the invention, the connecting components are arranged on the single batteries of the battery pack, and the supporting components which can be matched with the connecting components are further arranged in the battery pack so as to connect the connecting components of the adjacent single batteries, so that the overall structure of the battery pack is firm.

Description

technical field [0001] The present invention relates to the field of batteries, in particular to a battery pack. Background technique [0002] Electric vehicle, that is, electric drive vehicle, also known as electric drive vehicle. Electric vehicles are divided into AC electric vehicles and DC electric vehicles. Generally speaking, the electric vehicle is a vehicle that uses the battery as the energy source, and converts the electrical energy into mechanical energy through the controller, motor and other components to control the current size and change the speed. As a new energy green vehicle, electric vehicles have significant effects in energy saving and environmental protection, and thus have been more and more widely used. [0003] In order to enable electric vehicles to achieve higher cruising range, it is necessary to install battery packs on electric vehicles such as electric vehicles. A plurality of single cells are usually arranged in a battery pack to improve t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10
CPCH01M2220/20H01M50/20Y02E60/10
Inventor 朱燕孙铭远
Owner BYD CO LTD
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