Battery with improved safety during mechanical abuse

Details Battery with improved safety during mechanical abuse Battery with improved safety during mechanical abuse

H - Electricity

01

M

H01M 10/02 (2006.01) H01M 2/34 (2006.01) H01M 10/42 (2006.01) H01M 6/10 (2006.01) H01M 6/50 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2129558

A battery construction is disclosed having improved safety behaviour under conditions of mechanical abuse, in particu- lar crush type abuse, wherein an additional site for internal short circuiting is engineered therein. In certain circumstances, it can be beneficial to initiate the engineered short before other internal shorts occur. Additionally, it may be beneficial for the engineered short to have a lower resistance than the internal resistance of the battery. The invention is particularly suited for application in lithium ion type batteries.

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