| 摘要 |
A lithium secondary battery includes a positive electrode containing a lithium transition-metal oxyanion compound as a positive electrode active material, a negative electrode containing amorphous carbon-coated graphite as a negative electrode active material, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution contains vinylene carbonate and a solvent and/or a solute that decomposes at a potential more electropositive than that of vinylene carbonate.
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