Safety device for preventing over-charge for lithium ion battery

The utility model discloses a safety device for preventing over-charge for a lithium ion battery. The safety device comprises a top cover, a negative pole, a positive pole and a filling port. The negative pole, the positive pole and the filling port are arranged on the top cover, the negative pole a...

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Bibliographic Details
Main Authors HU JUNZHONG, DENG PINGHUA, LU YANHUA
Format Patent
LanguageChinese
English
Published 03.07.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The utility model discloses a safety device for preventing over-charge for a lithium ion battery. The safety device comprises a top cover, a negative pole, a positive pole and a filling port. The negative pole, the positive pole and the filling port are arranged on the top cover, the negative pole and the positive pole are respectively electrically connected with the top cover, the negative pole is provided with a gas-sensitive ceramic, and the gas-sensitive ceramic is connected with the top cover. The safety device has the advantages that the battery is protected against over-charge by an external circuit, and the safety device is unaffected by the tightness of the battery, is safe, reliable, simple and feasible and can be reused.
Bibliography:Application Number: CN20122669683U