Conductive polymeric compositions for lithium batteries

Angell, Charles A; Xu, Wu

Title: Conductive polymeric compositions for lithium batteries

Patent · Tue Mar 17 00:00:00 EDT 2009

OSTI ID:986364

Angell, Charles A ^[1]; Xu, Wu ^[2]

Mesa, AZ
Tempe, AZ

Novel chain polymers comprising weakly basic anionic moieties chemically bound into a polyether backbone at controllable anionic separations are presented. Preferred polymers comprise orthoborate anions capped with dibasic acid residues, preferably oxalato or malonato acid residues. The conductivity of these polymers is found to be high relative to that of most conventional salt-in-polymer electrolytes. The conductivity at high temperatures and wide electrochemical window make these materials especially suitable as electrolytes for rechargeable lithium batteries.

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Research Organization:: Arizona State Univ., Tempe, AZ (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG03-95ER45541

Assignee:: Arizona Board of Regents for and on behalf of Arizona State University (Scottsdale, AZ)

Patent Number(s):: 7,504,473

Application Number:: 10/311,643

OSTI ID:: 986364

Country of Publication:: United States

Language:: English

References (35)

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