Nonaqueous electrolyte solution and lithium secondary battery

H - Electricity – 01 – M

Patent

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Details

H01M 4/02 (2006.01) H01M 4/38 (2006.01) H01M 4/66 (2006.01) H01M 10/40 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2568519

Disclosed is a nonaqueous electrolyte solution for lithium secondary batteries which is obtained by dissolving an electrolyte salt in a nonaqueous solvent containing 0.01-10 mass% of a sulfur acid ester compound and 0.01-10 mass% of a triple-bond compound. Also disclosed is a lithium secondary battery using such a nonaqueous electrolyte solution.

Il est prévu une solution électrolyte non aqueuse pour batteries d'accumulateur au lithium obtenue par dissolution d'un sel électrolyte dans un solvant non aqueux contenant 0,01 à 10 massique % d'un composé d'ester d'acide sulfurique et 0,01 à 10 massique % d'un composé triple liaison. Il est aussi prévu une batterie d'accumulateur au lithium utilisant une telle solution électrolyte non aqueuse.

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