Cyanoethylated compounds as additives in lithium/lithium batteri

Details Cyanoethylated compounds as additives in lithium/lithium batteri Cyanoethylated compounds as additives in lithium/lithium batteri

1998-05-08

1999-11-23

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429248, 429300, 429303, 429321, 429322, 429323, 429324, 429199, H01M 458

Patent

active

059897481

ABSTRACT:
The power loss of lithium/lithium ion battery cells is significantly reduced, especially at low temperatures, when about 1% by weight of an additive is incorporated in the electrolyte layer of the cells. The usable additives are organic solvent soluble cyanoethylated polysaccharides and poly(vinyl alcohol). The power loss decrease results primarily from the decrease in the charge transfer resistance at the interface between the electrolyte and the cathode.

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G. Nagasubramanian et al., "12-Crown-4-Ether-Assisted Enhancement of Ionic Conductivity and Interfacial Kinetics in Polyethylene Oxide Electrolytes," J. Electrochemical Soc., vol. 137, No. 12, Dec.1990, pp. 3830-3835.

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