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Battery pack with passive dehumidification and active humidity control functions and control method of passive dehumidification function

A battery pack and active technology, applied in the direction of secondary battery, battery pack parts, secondary battery repair/maintenance, etc., can solve the problems of condensation on the top cover of the battery and the side wall of the box, and the rise of the battery, so as to reduce air pollution. The probability of condensation, the effect of reducing the temperature effect, and reducing the temperature difference

Pending Publication Date: 2022-04-12
BAILE ELECTROTHERMIC ELECTRIC APPLIANCE JIANGSU
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

3) When the battery is in a cold environment for a long time, the battery will rise rapidly due to use, and condensation may also occur on the top cover of the battery and the side wall of the box

Method used

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  • Battery pack with passive dehumidification and active humidity control functions and control method of passive dehumidification function

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Embodiment Construction

[0023] exist figure 1 Among them, the present invention provides a battery pack with passive dehumidification and active humidity control functions, which includes a battery box 1, and a top cover 2 is provided on the top of the battery box 1, and the top cover 2 of the battery box is a heat-insulating top cover , the heat insulation top cover is made of RTM fiber composite material, the inner cavity of the battery box 1 is divided into the electrical cavity 3 and the battery cavity 4, the electrical cavity 3 and the battery cavity 4 are separated by a metal baffle 13, and the metal baffle 13 is set as High-strength steel, a heat-insulating filling material layer I5 is provided between the electrical cavity 3 and the battery cavity 4, and a cooling pipeline 6 is provided at the bottom of the inner cavity of the battery box 1, and the cooling pipeline 6 is located at the bottom of the battery cavity 3 and the electrical cavity 4 , the top of the battery chamber 3 is provided wi...

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Abstract

The invention relates to a battery pack with passive dehumidification and active humidity control functions and a control method of the passive dehumidification function, a battery module and a cooling pipeline 6 are arranged in the battery pack, and the cooling pipeline 6 is arranged at the bottom of the battery module. A moisture absorption area and a humidity control structure are further arranged in the battery pack, the moisture absorption area and the humidity control structure are used for reducing moisture generated in the battery pack, passive dehumidification and active humidity control measures are adopted for the battery pack, and control over the humidity in the battery pack is achieved, so that the reliability of a system is ensured, and the influence of the moisture on the use safety of the battery pack is reduced.

Description

technical field [0001] The invention relates to a battery pack with passive dehumidification and active humidity control functions and a control method for the passive dehumidification function. Background technique [0002] At present, when the lithium-ion battery is generally in the range of 20-40°C, its charge and discharge performance is the best, and the life is the best. On the market, the thermal management system is used to maintain the battery pack in the optimal working range. At present, the thermal management system methods mainly include active air-cooled air-heating and liquid-cooled liquid-heating solutions. If a liquid cooling scheme is adopted and the liquid cooling cooling pipe is arranged inside the closed battery box, high temperature water vapor will condense inside the battery pack, resulting in failure of electrical components and reduction of battery insulation. The main reasons for high-temperature water vapor condensation are as follows: 1) After ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48H01M10/42H01M50/30H01M50/141H01M10/0525
CPCY02E60/10
Inventor 郭建成吉盛杨继承
Owner BAILE ELECTROTHERMIC ELECTRIC APPLIANCE JIANGSU
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