An explosion-proof battery
A battery and battery module technology, applied in secondary batteries, battery pack components, circuits, etc., can solve the problems of thermal failure of parts, neglect of thermal energy, and inability to control the release of explosion heat to the outside, to block heat release and combustion. Effect
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Embodiment 1-8
[0070] The composition and parts of the box cover, box body and protective box body, cover body, active gas and inert gas in the explosion-proof battery box body of embodiment 1-8 are as shown in the following table:
[0071]
experiment example
[0081] The product prepared by embodiment 1-8 and the product provided by comparative example 1-4 are carried out short-circuit explosion test, and test result is shown in the following table:
[0082]
[0083] From the data in the above table, it can be seen that compared with the aluminum alloy battery box and the carbon fiber composite battery box, Examples 1-8 have improved the explosion-proof effect to varying degrees, and Example 4 has the best effect. It is still possible to ensure that the overall box body is slightly deformed and free from cracks. Therefore, the explosion-proof battery box body of the present invention can achieve an explosion-proof effect.
[0084] One or more technical solutions in the embodiments of the present invention also have at least the following technical effects or advantages:
[0085] (1) In the embodiment of the present invention, the module protection box structure is adopted in the battery box, and when a single cell thermal runaway...
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