| 摘要 |
A secondary battery is provided and includes a cathode, an anode and an electrolytic solution, in which the anode includes an anode active material layer including a plurality of anode active material particles, the plurality of anode active material particles including silicon as a constituent element. The anode active material layer includes at least one of an oxide-containing film and a metal material as a constituent element. The oxide-containing film with which surfaces of the anode active material particles are covered. The metal material includes a metal element which is not alloyed with an electrode reactant, and being arranged in a gap in the anode active material layer. The electrolytic solution includes a solvent including at least one kind selected from the group consisting of specific isocyanate compounds.
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