Organic phosphate additives for nonaqueous electrolyte in alkali

Details Organic phosphate additives for nonaqueous electrolyte in alkali Organic phosphate additives for nonaqueous electrolyte in alkali

1997-11-19

2000-05-30

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

42923195, 429326, 429328, 429329, 429330, 429332, 429334, 429345, H01M 614

Patent

active

060689501

ABSTRACT:
An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at least one phosphate additive to an electrolyte comprising an alkali metal salt dissolved in a mixture of a low viscosity solvent and a high permittivity solvent. A preferred solvent mixture includes propylene carbonate, dimethoxyethane and an alkyl phosphate additive.

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Japanese Abstract Publication No. 02244565; Publication Date: Sep. 28, 1990; Applicant: Asahi Chem Ind Co Ltd; Inventor: Yoshino Akira; Title: Nonacqueous Battery.

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