High discharge rate batteries

H - Electricity – 01 – M

Patent

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Details

H01M 4/583 (2010.01) H01M 4/133 (2010.01) H01M 10/052 (2010.01)

Patent

CA 2679635

Improved electrode compositions including fluorinated carbon materials. The electrode compositions can include combinations of subfluorinated carbon materials with more than 10 wt% electrically conducting material. The electrode compositions can also include combinations of subfluorinated carbon materials with a different fluorinated carbon material. These electrode compositions are suitable for use in electrochemical devices such as primary batteries, secondary batteries, and supercapacitors and can provide enhanced performance at high discharge rates compared to conventional CF1 positive electrode compositions

L'invention concerne des compositions d'électrode améliorées comprenant des matériaux carbonés et fluorés. Les compositions d'électrode peuvent comprendre des combinaisons de matériaux carbonés sous-fluorés ayant plus de 10 % en poids de matériau électroconducteur. Les compositions d'électrode peuvent également comprendre des combinaisons de matériaux carbonés sous-fluorés ayant un matériau carboné fluoré différent. Ces compositions d'électrode sont appropriées à une utilisation dans des dispositifs électrochimiques tels que des batteries primaires, des batteries secondaires et des supercondensateurs et peuvent assurer une performance amplifiée à des vitesses de décharge élevées en comparaison aux compositions d'électrode positives CF1 classiques.

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