| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium secondary battery having high degree ionic conductivity and proper cycle characteristics, while suppressing increase in its internal resistance. SOLUTION: The lithium secondary battery is constituted of a cathode and an anode occluding/discharging lithium, electrolytic liquid, in which a lithium salt is dissolved. It has lithium fluorophosphate and lithium fluoroborate as the lithium salt and contains ethylene carbonate of 30 volume-% or more as the electrolytic liquid solvent. |
