Rechargeable batteries

H - Electricity – 01 – M

Patent

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Details

H01M 10/04 (2006.01) H01M 4/02 (2006.01) H01M 4/24 (2006.01) H01M 4/40 (2006.01) H01M 4/42 (2006.01) H01M 4/62 (2006.01) H01M 10/24 (2006.01) H01M 12/08 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2150507

A highly reliable rechargeable battery comprising an anode, a separator, a cathode, an electrolyte or an electrolyte solution, and a housing, characterized in that said anode is structured to have a size which is greater than that of said cathode. The rechargeable battery provides an increased energy density and has a prolonged charging and discharging cycle life, in which a dendrite causing a reduction in the battery performance, which is generated upon operating charging in the conventional rechargeable battery, is effectively prevented from generating or from growing in the case where it should be generated.

Cette invention concerne une batterie rechargeable haute fiabilité comprenant une anode, un séparateur, une cathode, un électrolyte ou une solution électrolytique, et un boîtier, l'anode étant plus largement dimensionnée que la cathode. Cette batterie se caractérise par une densité énergétique supérieure et une durée de vie allongée en termes de cycles de charge et de décharge. Cette batterie est à l'abri de la formation ou de la croissance des dendrites qui se forment à la recharge des batteries rechargeables conventionnelles et en dégradent les performances.

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