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Passive waterproof system of lithium battery, fabrication and waterproof methods of passive waterproof system and electromobile

A lithium battery, electric bicycle technology, applied in the direction of batteries, secondary batteries, battery pack parts, etc., can solve the problems of not being able to fundamentally achieve waterproofing, and the waterproofing effect of the waterproof structure is not good, so as to achieve convenient production and avoid excessive temperature. high, good effect

Active Publication Date: 2017-07-25
ZHEJIANG CHAOWEI CHUANGYUAN INDUSTRAIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the above-mentioned technical solutions provide the waterproof structure of the battery box, the waterproof effect of these waterproof structures is not good, and the waterproofing cannot be realized fundamentally.

Method used

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  • Passive waterproof system of lithium battery, fabrication and waterproof methods of passive waterproof system and electromobile
  • Passive waterproof system of lithium battery, fabrication and waterproof methods of passive waterproof system and electromobile

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Embodiment 1

[0022] exist figure 1 , figure 2 In the shown embodiment, a lithium battery passive waterproof system includes a lithium battery 1 and a casing 2, the lithium battery 1 is provided with a conductive part 3, and the conductive part 3 includes a tab 6, a conductive copper sheet 7, and an adapter plate 8 , Protective plate 9. A layer of insulating and waterproof glue 4 is coated on the surface of the conductive part 3 by immersion; a circulating water channel 5 is provided between the lithium battery 1 and the casing 2 . Circulating water channels 5 are ring-shaped on the inner wall of the shell 2, each of the inner walls of the shell 2 is provided with a circulating water channel 5, and all the circulating water channels 5 communicate with each other.

[0023] The bottom of the housing 2 is provided with a water diversion port 10 , and the interior of the water diversion port 10 is provided with a water diversion pipe 11 communicating with the circulating water channel 5 , an...

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Abstract

The invention discloses a passive waterproof system of a lithium battery. The passive waterproof system comprises the lithium battery and a shell, wherein a conductive part is arranged on the lithium battery, a layer of insulation waterproof glue is plated and coated on a surface of the conductive part by immersion, and a circulation water way is arranged between the lithium battery and the shell. The invention also discloses a fabrication method and waterproof method of the passive waterproof system of the lithium battery and an electromobile. By the passive waterproof system of the lithium battery, waterproof treatment is fundamentally performed, and the insulation of a conductor is achieved; water is effectively utilized after the water enters the battery, the water entering the battery shell forms a simple liquid cooling system, the temperature change of the battery can be effectively controlled, and overhigh temperature of the battery during the application process is prevented; and moreover, the waterproof system is convenient to fabricate, the effect and the structure of the battery are not affected, and the method for water prevention by the waterproof system and temperature reduction by effectively using water is good in effect.

Description

technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a lithium battery passive waterproof system and its production, waterproof method and electric vehicle. Background technique [0002] With the current rapid development of the new energy industry and the country's strong support for the new energy industry, more and more electric bicycles are recognized by ordinary people. Due to the increase in users' demand for mileage and cycle performance, lithium battery electric bicycles are also received. Widespread concern. However, due to the high activity of lithium batteries, the problem of short circuit in water has always been a restrictive factor for the development of lithium battery electric bicycles. Consumers also attach great importance to the safety of lithium battery electric bicycles in water short circuit. At present, lithium batteries for electric bicycles on the market, Mainly rely on the sealing design of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/34H01M2/10H01M10/613H01M10/625H01M10/647H01M10/6556H01M10/6568H01M50/24H01M50/597
CPCH01M10/613H01M10/625H01M10/647H01M10/6556H01M10/6568H01M2200/30H01M50/24H01M50/597Y02E60/10
Inventor 郑大为任宁王玉龙舒道龙张国烽
Owner ZHEJIANG CHAOWEI CHUANGYUAN INDUSTRAIAL
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