Lithium-bromine cell

Details Lithium-bromine cell Lithium-bromine cell

1975-09-29

1976-11-30

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 436

Patent

active

039947475

ABSTRACT:
A solid electrolyte primary cell comprising a lithium anode, a bromine cathode and a lithium bromide electrolyte. A solid lithium element operatively contacts the cathode material, and one form of cathode material is a charge transfer complex of an organic donor component material and bromine. The organic donor component material can be poly-2-vinyl pyridine. Another cathode material is liquid bromine. The surface of the lithium anode element which operatively contacts the cathode material can be provided with a coating of an organic electron donor component material. When the lithium anode operatively contacts the bromine cathode, a solid lithium bromide electrolyte begins to form at the interface and an electrical potential difference exists between conductors operatively connected to the anode and cathode.

REFERENCES:
patent: 3455742 (1969-07-01), Rao
patent: 3723183 (1973-03-01), Greatbatch
patent: 3817791 (1974-06-01), Greatbatch et al.
patent: 3824130 (1974-07-01), Liang
patent: 3837920 (1974-09-01), Liang et al.
patent: 3879220 (1975-04-01), Will et al.
Weininger et al., "Nonaqueous Lithium-Bromine Secondary Galvanic Cell," J. Electrochem. Soc.: Electrochem. Science & Technology, vol. 121, No. 3, Mar. 1974, pp. 315-318.

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