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Battery pack

A technology of battery packs and batteries, which is applied in the direction of secondary batteries, battery pack components, circuits, etc., can solve the problems of heavy weight of battery modules, and achieve the effect of increasing energy density and reducing strength requirements

Inactive Publication Date: 2021-07-20
XIAMEN HAICHEN NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present application provides a battery pack to solve the technical problem of heavy weight of the battery module in the prior art

Method used

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Embodiment Construction

[0058] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0059] Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0060] It should be understood that the term "and / or" used herein is only an association relationship describing associated objects, which me...

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Abstract

The invention relates to the technical field of energy storage devices, in particular to a battery pack, which comprises: a battery box body, which comprises a frame and a liquid cooling plate; wherein the frame comprises an edge beam and a mounting beam connected to the edge beam, and the liquid cooling plate is connected to the edge beam and the mounting beam; battery units mounted on the edge beams and / or the mounting beams, wherein the battery units are also supported on the liquid cooling plate. In the battery pack provided by the invention, the weight supporting points of the battery units are positioned on the edge beams and the mounting beams connected to the edge beams, so that excessive pressure cannot be formed on the liquid cooling plate at the bottom, the strength requirement on the liquid cooling plate is reduced, the liquid cooling plate can be designed to be lighter, and the purpose of weight reduction is achieved; therefore, the energy density of the battery pack is improved.

Description

technical field [0001] The technical field of energy storage devices of the present application particularly relates to a battery pack. Background technique [0002] As a rechargeable battery module, the secondary battery is the power source of new energy vehicles and is widely used in the field of new energy vehicles. [0003] The battery pack in the prior art includes a battery unit, a frame structure and a bottom plate, the bottom plate is connected to the bottom of the frame structure and together forms a storage area, and the battery unit is accommodated in the storage area. The battery pack also includes a liquid cooling plate, which is attached to the base plate. [0004] In order to ensure the strength, the battery pack in the prior art has a relatively large overall weight, which affects the energy density of the battery. Contents of the invention [0005] In view of this, the present application provides a battery pack to solve the technical problem of heavy we...

Claims

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Application Information

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IPC IPC(8): H01M50/204H01M50/244H01M50/249H01M10/613H01M10/625H01M10/6554H01M10/6556H01M10/6568
CPCH01M10/613H01M10/625H01M10/6554H01M10/6556H01M10/6568Y02E60/10
Inventor 张万财郭敏王欢
Owner XIAMEN HAICHEN NEW ENERGY TECH CO LTD
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