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battery pack

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

Active Publication Date: 2021-01-19
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, in the case of no contrary description, the used orientation words such as "up, down, left, right" usually refer to the orientations shown in the drawings and the orientations in practical applications, "inner, lower, left, right" "Outside" refers to the inside and outside of the outline 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. The battery pack 1 also includes a 11 is fitted to connect the connecting members 11 of adjacent unit cells 100 to the supporting member 12. By providing a connection member 11 on each unit battery 100 and providing a support member 12 in the battery pack 1 that can cooperate with the connection member 11, the connection members 11 of adjacent unit batteries 100 can be connected to each other, In this way, the plurality of s...

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PUM

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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 invention relates to the field of batteries, in particular to a battery pack. Background technique [0002] Electric vehicles, that is, electric drive vehicles, have another name called electric drive vehicles. Electric vehicles are divided into AC electric vehicles and DC electric vehicles. Generally speaking, electric vehicles use batteries as the energy source, and convert electrical energy into mechanical energy through controllers, motors and other components to control the current and change the speed of the vehicle. As a new energy and green vehicle, electric vehicles have remarkable effects in energy saving and environmental protection, and thus have been more and more widely used. [0003] In order to enable the electric vehicle to achieve a higher cruising range function, it is necessary to install a battery pack on the electric vehicle, such as an electric vehicle. A plurality of single cells are usually arranged in a battery pack to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/204H01M50/209H01M50/244H01M50/249
CPCH01M2220/20H01M50/20Y02E60/10
Inventor 朱燕孙铭远
Owner BYD CO LTD
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