Cover assembly of secondary battery and secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11949119
APP PUB NO 20210043901A1
SERIAL NO

16928523

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Abstract

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A cover assembly of a secondary battery and a secondary battery. The cover assembly includes: a cover plate including a gas vent; a gas exhaust valve configured to seal the gas vent and deform in response to an increase in temperature to get out of a state of sealing the gas vent; and a protective part at least partially covering the gas vent and having a gas permeability coefficient smaller than a gas permeability coefficient of the gas exhaust valve.

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Patent Owner(s)

Patent OwnerAddress
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDHONG KONG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Quankun Ningde, CN 181 115
Wang, Peng Ningde, CN 1419 6748
Zhang, Shiyao Ningde, CN 7 1

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