Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in molten state
Patent
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.
Prakash Jai
Redey Laszlo I.
Vissers Donald R.
Skapars Anthony
The University of Chicago
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