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Title: Cyanoethylated compounds as additives in lithium/lithium batteries

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.
Inventors:
 [1]
  1. (Albuquerque, NM)
Issue Date:
OSTI Identifier:
872687
Assignee:
United States of America as represented by United States (Washington, DC) SNL
Patent Number(s):
US 5989748
Contract Number:
AC04-94AL85000
Research Org:
SANDIA CORP
Country of Publication:
United States
Language:
English
Subject:
cyanoethylated; compounds; additives; lithium; batteries; power; loss; battery; cells; significantly; reduced; especially; temperatures; weight; additive; incorporated; electrolyte; layer; usable; organic; solvent; soluble; polysaccharides; poly; vinyl; alcohol; decrease; results; primarily; charge; transfer; resistance; interface; cathode; significantly reduce; power loss; electrolyte layer; battery cells; organic solvent; lithium batteries; significantly reduced; battery cell; charge transfer; solvent soluble; vinyl alcohol; /429/

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