Lithium ion battery and lithium ion battery pack
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United States of America Patent
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Oct 31, 2017
Grant Date -
May 12, 2016
app pub date -
Feb 12, 2015
filing date -
Nov 11, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment of the present invention, a lithium ion battery having desirable safety performance is provided. The lithium ion battery includes a battery housing, a battery cover assembled to the battery housing, a pressure relief valve coupled to the battery housing and/or battery cover, and a safety device formed on the housing and/or battery cover and fixed to the pressure relief valve. The safety device includes a shielding plate facing the pressure relief valve, a side wall and an air flow channel structure. The side wall extends from the shielding plate and connects with the battery housing or the battery cover. The air flow channel structure is defined in the side wall.
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