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Immersed liquid cooling battery pack

A liquid-cooled battery and immersion-type technology, which is applied to secondary batteries, battery pack components, circuits, etc., can solve the problems of low heating/cooling efficiency, poor uniformity, and complex structure of the battery pack cooling device, and achieve improved energy density , simple assembly, simple and compact structure

Pending Publication Date: 2020-12-18
清华大学苏州汽车研究院(吴江) +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a submerged liquid-cooled battery pack to solve the problems of low heating / cooling efficiency, poor uniformity and complex structure of the battery pack cooling device in the prior art

Method used

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  • Immersed liquid cooling battery pack
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  • Immersed liquid cooling battery pack

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two ...

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Abstract

The invention discloses an immersed liquid cooling battery pack. The immersed liquid cooling battery pack comprises a shell, at least one battery pack is arranged in the shell, and each battery pack comprises a plurality of battery cells arranged at intervals in the first direction; a liquid inlet cavity and a liquid outlet cavity are formed in the two sides of the battery pack in the second direction, and the second direction is perpendicular to the first direction; a liquid inlet is formed in one of the two ends, in the first direction, of the liquid inlet cavity, and a liquid outlet is formed in the end, different from the liquid inlet, of the two ends, in the first direction, of the liquid outlet cavity, so that cooling liquid enters the liquid inlet cavity from the liquid inlet, flowsinto the liquid outlet cavity after flowing through the battery pack and flows out from the liquid outlet; and a flow equalizing plate is arranged between the liquid inlet cavity and the battery pack, the flow equalizing plate is arranged in the first direction, a liquid through hole is formed in the flow equalizing plate, and a plurality of flow deflectors which are arranged at intervals in thesecond direction are arranged at the liquid through hole. The immersed liquid cooling battery pack provided by the invention is high in heating / cooling efficiency, good in uniformity and simple in structure.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a submerged liquid-cooled battery pack. Background technique [0002] In recent years, with the rapid growth of the new energy vehicle market, technologies related to electric vehicles have also developed rapidly. The power battery is one of the core components of an electric vehicle, and its performance is directly related to the working condition of the vehicle. [0003] When the battery is working, a violent chemical reaction occurs inside to provide electric energy. During the charging and discharging process, a large amount of heat will be generated, which will cause the temperature of the battery to rise, and the temperature of the battery will directly affect the safety of the battery, the charging and discharging capacity and efficiency, and the cycle life. And other performance, and then affect the working performance of the vehicle. The optimal operating temperature...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/617H01M10/625H01M10/6568H01M10/6557H01M2/10
CPCH01M10/613H01M10/617H01M10/625H01M10/6557H01M10/6568Y02E60/10
Inventor 殷良艳赵庆良张秋实刘海涛华伦
Owner 清华大学苏州汽车研究院(吴江)
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