Electrodes made with disordered active material and method...

Details Electrodes made with disordered active material and method... Electrodes made with disordered active material and method...

H - Electricity

01

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319/32, 319/71

H01M 4/86 (2006.01) H01M 4/24 (2006.01) H01M 4/38 (2006.01) H01M 10/04 (2006.01) H01M 10/34 (2006.01) H01M 6/10 (2006.01)

Patent

CA 1240363

ABSTRACT The present invention provides an electrode which uses a disordered active material preferably formed by rapid solidification. The active material does not need a binder to be used as an electrode, and thus, is considered self-supporting. The material also is substan- tially nonporous or impermeable to an electrolyte and when used as an electrode exhibits an increase in cell capacity with improved resistance to corrosion. An elec- trode of the present invention provides greatly improved cycle life and energy density without a significant decrease in cell capacity. Methods of making the elec- trode by rapidly solidifying a disordered material are also included. A method of assembling an electrochemical cell using a self-supporting electrode includes the step of producing a disordered active material and aligning the material in a predetermined position in a cell casing.

466310

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