Porous carbonaceous electrodes with embedded active material

Details Porous carbonaceous electrodes with embedded active material Porous carbonaceous electrodes with embedded active material

H - Electricity

01

M

319/101, 319/71

H01M 4/58 (2006.01) H01M 4/02 (2006.01) H01M 4/62 (2006.01) H01M 10/39 (2006.01)

Patent

CA 1065398

ABSTRACT OF THE DISCLOSURE Positive and negative electrodes are provided as rigid, porous carbonaceous matrices with particulate active material fixedly embedded. Active material such as metal chalcogenides, solid alloys of alkali metals or alkali earth metals along with other metals and their oxides in particulate form are blended with a thermosetting resin and a solid volatile to form a paste mixture. Various electrically conductive powders or current collector structures can be blended or embedded into the paste mix- ture which can be molded to the desired electrode shape. The molded paste is heated to a temperature at which the volatile transforms into vapor to impart porosity as the resin begins to cure into a rigid solid structure.

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