High energy density lithium-oxygen secondary battery

Details High energy density lithium-oxygen secondary battery High energy density lithium-oxygen secondary battery

1987-06-24

1989-02-07

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 27, 429 30, 429103, 429193, H01M 814, H01M 400, H01M 436

Patent

active

048031348

ABSTRACT:
A high energy density lithium-oxygen secondary cell comprising a lithium-containing negative electrode in contact with a lithium ion conducting molten salt electrolyte separated from the positive electrode by an oxygen ion conducting solid electrolyte. Upon electrochemical cell charging, unit activity lithium is deposited at the interface of the negative electrode with the molten salt electrolyte and oxygen gas is evolved at the positive electrode.

REFERENCES:
patent: 3573107 (1971-03-01), Paris et al.
patent: 3989538 (1976-01-01), Roth et al.
patent: 4328291 (1982-05-01), Wimsel
patent: 4554222 (1985-11-01), Zaromb
D. K. Hohnke, "Ionic Conduction in Doped Zirconia", Fast Ion Transport in Solids, Vashishta, Mundy, Shenoy, eds., 1979.
O. Yamamoto, Y. Takeda, R. Kanno and M. Noda, "Perovskite-Type Oxides as Oxygen Electrodes for High Temperature Oxide Fuel Cells", Solid State Ionics, vol. 22, p. 241 (1987).

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