Electrodes made from mixed silver-silver oxides

Details Electrodes made from mixed silver-silver oxides Electrodes made from mixed silver-silver oxides

1987-12-14

1988-12-20

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

H07M 434

Patent

active

047925051

ABSTRACT:
An iron-silver battery is made, comprising a case 14 and a cover 15 conaining silver electrodes 10, iron electrodes 11, separators 13 between the electrodes, and electrolyte; where the siliver electrodes 10 are made by mixing a major amount by weight of large Ag particles and a minor amount by weight of small Ag.sub.2 O particles, pressing the mixture to a current collector having at least a nickel surface, to provide an electrode, and sintering the electrode in a reducing gas to provide a body of sintered, all silver particles containing large particles and small sintered-pore particles, having a 50% to 70% porosity and a large surface area, and capable of discharging at from a C/8 rate up to a C/2 rate.

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