Electrochemical cell

Details Electrochemical cell Electrochemical cell

1992-02-04

1994-08-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in molten state

429 50, 429104, 429112, 429218, H01M 1039

Patent

active

053406680

ABSTRACT:
An electrochemical cell having an alkali metal negative electrode such as sodium and a positive electrode including Ni or transition metals, separated by a .beta." alumina electrolyte and NaAlCl.sub.4 or other compatible material. Various concentrations of a bromine, iodine and/or sulfur containing additive and pore formers are disclosed, which enhance cell capacity and power. The pore formers may be the ammonium salts of carbonic acid or a weak organic acid or oxamide or methylcellulose.

REFERENCES:
patent: 4546055 (1985-10-01), Coetzer et al.
patent: 4592969 (1986-06-01), Coetzer et al.
patent: 4910105 (1990-03-01), Tilley et al.
patent: 4973534 (1990-11-01), Adendorff et al.

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