Electrochemical cell, gelled anode, and coated current collector

Details Electrochemical cell, gelled anode, and coated current collector Electrochemical cell, gelled anode, and coated current collector

1996-03-07

1998-02-24

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429229, 429245, 296231, H01M 622, H01M 442

Patent

active

057210683

ABSTRACT:
An electrochemical cell having a negative current collector coated with an alloy of bismuth and tin maintains acceptable performance level and is protected from failure due to vibration. Improved environmental compatibility is achieved by coupling the coated current collector with an anode that contains an alloy powder of bismuth and zinc that is substantially free of mercury, cadmium, calcium, indium, gallium, thallium, lead, and tin. Performance of electrochemical cells can also be improved by providing a soluble bismuth additive in the cell electrolyte.

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