Preparation of electrodes and Ni/MHx electrochemical storage cel

Details Preparation of electrodes and Ni/MHx electrochemical storage cel Preparation of electrodes and Ni/MHx electrochemical storage cel

1993-10-08

1996-02-20

Willis, Jr., Prince

Metal working

Method of mechanical manufacture

Electrical device making

429101, 429218, 420422, 420900, 296235, H01M 404

Patent

active

054925436

ABSTRACT:
An electrode (40) for a Ni/MHx storage cell (47) is prepared by providing a substrate (62) and providing an active material in a finely divided form. A paste (60) of a mixture of the active material, optionally a finely divided carbon powder, and a solution of a polymer in an organic solvent is formed. The paste (60) is coated onto the substrate (62). The paste-coated substrate (62) is immersed into water to wash away the organic solvent and to precipitate the polymer, completing the anode fabrication. This electrode (40) is assembled with another electrode (44) and as a separator (46) between the electrodes (40 and 44) and provided with an electrolyte (50), to form the electrochemical cell (47).

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