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Energy storage liquid-cooled battery pack

A liquid-cooled battery and energy storage technology, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of large temperature difference, poor temperature consistency of battery packs, and inability to operate at high rates, so as to improve energy density and temperature consistency The effect of reducing the temperature difference between the upper and lower

Pending Publication Date: 2021-10-29
广州智光储能科技有限公司
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  • Abstract
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Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide an energy storage liquid-cooled battery pack to solve the problem that the current liquid-cooled battery pack can only conduct heat in one direction, and the temperature difference is large, which leads to poor temperature consistency of the battery pack and cannot operate at a high rate.

Method used

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Embodiment Construction

[0029] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...

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Abstract

The invention belongs to the technical field of power batteries, and particularly relates to an energy storage liquid-cooled battery pack. The battery pack comprises a bottom liquid cooling plate and a plurality of battery modules arranged on the bottom liquid cooling plate, and the plurality of battery modules are bound together through a fixing belt; a side liquid cooling plate is arranged in each battery module, and a plurality of side liquid cooling plates are connected in parallel. The battery module comprises a plurality of battery cells, and the plurality of battery cells are arranged on the two sides of the side liquid cooling plate respectively; and the plurality of battery cells are sequentially connected in series through the connecting bar. The bottom liquid cooling plate is used for main heat dissipation, the side liquid cooling plates play a role in temperature equalization, the temperature difference between the upper part and the lower part of the battery pack is obviously reduced, the temperature consistency of the battery pack is improved, and the energy density of the battery pack is improved, so that the purpose of high-rate operation is achieved.

Description

technical field [0001] The invention belongs to the technical field of power batteries, in particular to an energy storage liquid-cooled battery pack. Background technique [0002] With the rapid development of the economy, the demand for electricity in all walks of life is increasing. At present, the development of container-type energy storage products is becoming more and more mature, and there is an urgent need to increase the energy density of container-type energy storage. Liquid cooling can not only improve the energy density of container-type energy storage, but also ensure the temperature consistency of battery packs. [0003] In the prior art, energy storage battery packs are mostly air-cooled. Due to physical parameters such as air’s low specific heat capacity, low density, and poor thermal conductivity, the air-cooled temperature consistency is poor; traditional battery packs also use liquid cooling to dissipate heat. It is based on the technical solution of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/627H01M10/6554H01M10/6568H01M10/617H01M10/6556H01M10/6551
CPCH01M10/613H01M10/627H01M10/6554H01M10/6568H01M10/617H01M10/6556H01M10/6551Y02E60/10
Inventor 赵红亮石本星向德求付金建
Owner 广州智光储能科技有限公司
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