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ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY WITH IMPROVED LOW TEMPERATURE PERFORMANCE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY WITH IMPROVED LOW TEMPERATURE PERFORMANCE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
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机译:具有改进的低温性能的锂二次电池的电解质溶液和包含该锂二次电池的电解质溶液
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摘要
The present invention relates to an electrolyte for a lithium secondary battery comprising a non-aqueous solvent and a lithium salt. The electrolyte comprises with respect to the total weight of the non-aqueous solvent: 10-50 wt% of a ring-type carbonate-based compound; and 50-90 wt% of a linear-type ester-based compound. The content of ethyl propionate of the linear-type ester-based compound is 20-60 wt% with respect to the total weight of the non-aqueous solvent. Provided are: the electrolyte for a lithium secondary battery; and the lithium secondary battery comprising the same, which exhibits excellent low temperature properties.
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