There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R 1 COOR 2 , wherein R 1 is an alkyl group having 2 to 4 carbon atoms; R 2 is an alkyl group having 1 to 4 carbon atoms or a fluorine-containing alkyl group having 1 to 4 carbon atoms, and (II) an electrolyte salt.

Claims

5 · 1 independent · depth 2

5 granted claims

›1.independentA non-aqueous electrolytic solution comprising:n(I) a solvent for dissolving an electrolyte salt comprising:(A) a fluorine-containing carbonate,(B) a …+4

Classifications

8 codes

IPC · International Patent Classification

Section H — Electricity

H01M6/16
H01G9/02

USPC · US Patent Classification

429/332429/218.1429/342429/338252/62.2429/331

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3.6 y

1,317 days filing → grant

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Alex Usyatinsky

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Type	Document	Date
related publication	US 20110123872 A1	26 May 2011

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