Chemistry: electrical current producing apparatus – product – and – Having means to accommodate electrode expansion
Patent
1981-06-29
1983-04-12
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Having means to accommodate electrode expansion
429220, 429221, H01M 452, H01M 458
Patent
active
043798152
ABSTRACT:
A galvanic cell employing a consumable anode such as lithium, a cathode that expands during cell discharge and an electrolyte, wherein the improvement is that the cathode is composed of a physical mixture of at least two solid active materials having different expansion characteristics on cell discharge and selected such that the cathode mixture has a volumetric expansion substantially equal to the volumetric contraction of the anode thereby providing a cell that will have a substantially constant physical configuration during discharge.
REFERENCES:
patent: 4129686 (1978-12-01), Kaduboski
O'Brien Cornelius F.
Union Carbide Corporation
Walton Donald L.
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