Coin cell battery employing concave shaped container pieces

Details Coin cell battery employing concave shaped container pieces Coin cell battery employing concave shaped container pieces

H - Electricity

01

M

H01M 2/02 (2006.01)

Patent

CA 2105911

COIN CELL BATTERY EMPLOYING CONCAVE SHAPED CONTAINER PIECES ABSTRACT OF THE DISCLOSURE Concave shaped pieces can be employed for coin cell battery containers in order to apply significant preloading pressure to the solid contents of the battery. The preloading pressure may be effective in counteracting an increase in internal pressure of the battery during operation. In certain lithium ion coin cell batteries, the invention is used to effectively arrest an increase in battery thickness after assembly.

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