Electric current-producing device having sulfone-based electrolyte

Angell, Charles Austen; Sun, Xiao-Guang

Title: Electric current-producing device having sulfone-based electrolyte

Patent · Tue Nov 16 00:00:00 EST 2010

OSTI ID:1017449

Angell, Charles Austen ^[1]; Sun, Xiao-Guang ^[2]

Mesa, AZ
Tempe, AZ

Electrolytic solvents and applications of such solvents including electric current-producing devices. For example, a solvent can include a sulfone compound of R1--SO2--R2, with R1 being an alkyl group and R2 a partially oxygenated alkyl group, to exhibit high chemical and thermal stability and high oxidation resistance. For another example, a battery can include, between an anode and a cathode, an electrolyte which includes ionic electrolyte salts and a non-aqueous electrolyte solvent which includes a non-symmetrical, non-cyclic sulfone. The sulfone has a formula of R1--SO2--R2, wherein R1 is a linear or branched alkyl or partially or fully fluorinated linear or branched alkyl group having 1 to 7 carbon atoms, and R2 is a linear or branched or partially or fully fluorinated linear or branched oxygen containing alkyl group having 1 to 7 carbon atoms. The electrolyte can include an electrolyte co-solvent and an electrolyte additive for protective layer formation.

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

Sponsoring Organization:: USDOE

DOE Contract Number:: FG03-93ER14378

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

Patent Number(s):: 7,833,666

Application Number:: 11/780,416

OSTI ID:: 1017449

Country of Publication:: United States

Language:: English

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