Lithium secondary battery and cathode composition therefor

Details Lithium secondary battery and cathode composition therefor Lithium secondary battery and cathode composition therefor

1998-07-13

2000-10-24

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429224, 4292181, H01M 440, H01M 450, H01M 458

Patent

active

061364754

ABSTRACT:
A lithium secondary battery includes a cathode which can be dischargeably charged with lithium ions, an anode made of lithium metal, a lithium alloy or any other anode material which can be releasably doped with lithium ions, an electrolyte which allows migration of lithium ions between both electrodes, and an endothermic substance which undergoes an endothermic reaction upon a temperature rise of the battery for preventing excessive heat generation. Typically, the endothermic substance is a metal carbonate such as magnesium carbonate, cobalt (II) carbonate, silver carbonate, cadmium carbonate or sodium hydrogencarbonate.

REFERENCES:
patent: 4478921 (1984-10-01), Langan
patent: 5707760 (1998-01-01), Stux et al.
patent: 6022641 (2000-02-01), Endo et al.
NIST Web Page Printout, http://webbook.nist.gov, Lithium Carbonate, Feb. 2000.
NIST Web Page Printout, http://webbook.nist.gov, Sodium Carbonate, Feb. 2000.

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