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A lithium battery passive waterproof system and its production, waterproof method and electric vehicle

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: 2019-08-06
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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  • A lithium battery passive waterproof system and its production, waterproof method and electric vehicle
  • A lithium battery passive waterproof system and its production, waterproof method and electric vehicle

Examples

Experimental program
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Effect test

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 casing 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, and the interior of the water diversion pipe 11 is provi...

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Abstract

The invention discloses a lithium battery passive waterproof system, which comprises a lithium battery and a casing. The lithium battery is provided with a conductive part, and the surface of the conductive part is coated with a layer of insulating waterproof glue by immersion; the lithium battery and the casing There is a circulating waterway between them. Also disclosed are a manufacturing method and a waterproofing method of the lithium battery passive waterproofing system and an electric vehicle. The passive waterproof system of the lithium battery fundamentally waterproofs the conductor to realize the insulation of the conductor; secondly, the water is effectively used after the battery enters the water, and the water entering the battery case forms a simple liquid cooling system. It can effectively control the temperature change of the battery and avoid the overheating of the battery during use. Moreover, the waterproof system is easy to manufacture, does not affect the effect and structure of the battery, and the method of waterproofing through the waterproof system and effectively using water for cooling has a good 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 Patents(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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