| 摘要 |
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a first electrode layer, a second electrode layer, and an electrolyte layer provided between the first and second electrode layers, the electrolyte layer including electrolyte particles, wherein at least one of the first and second electrode layers includes a base member having a major surface on which a plurality of concave portions are formed and an electrode material filled in at least the concave portions, the major surface facing to the electrolyte layer.
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