Cell with safe venting electrolyte

Details Cell with safe venting electrolyte Cell with safe venting electrolyte

H - Electricity

01

M

319/46

H01M 6/16 (2006.01) H01M 2/12 (2006.01)

Patent

CA 1216887

CELL WITH SAFE VENTING ELECTROLYTE ABSTRACT The safety of a non-pressurized electrochemical cell such as a Li/MnO2 cell, having a safety pressure vent and an organic electrolyte solvent is enhanced by, in conjunction with said vent, providing said organic electrolyte solvent with at least 80% by volume of a volatile component, such as dimethoxyethane, having a boiling point between 30°C to 130°C. Upon cell venting, under abuse conditions, the cell is thereby rapidly evacuated and safely rendered inoperable under further abuse conditions.

447578

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