Method and composition for chloroaluminate molten salts having a

Details Method and composition for chloroaluminate molten salts having a Method and composition for chloroaluminate molten salts having a

1990-04-30

1992-03-17

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to heat

429199, H01M 1039

Patent

active

050967894

ABSTRACT:
Composition and method for preparing a chloroaluminate molten salt at room temperature having a wide electrochemical window is provided. The salts include aluminum chloride and an organic chloride salt combined in a mole ratio of about 1-1 and a sufficient amount of alkali metal chloride added thereto to buffer said salts to Lewis acid-base neutrality, which is maintained by the latter additive, which neutrality is necessary for the above wide window. The so-buffered salts being molten at room temperature, provide an improved, high energy electrolyte for light-weight, durable batteries and for other applications.

REFERENCES:
patent: 3616301 (1971-10-01), Miyata et al.
patent: 3778356 (1973-12-01), Miyata et al.
patent: 4409168 (1983-10-01), Mrazek
patent: 4546055 (1985-10-01), Coetzer et al.

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