All Solid State Lithium Ion Secondary Battery

Abstract: Disclosed is an all-solid-state lithium ion secondary battery, which comprises two or more types of carbon materials of different particle sizes in a lithium-free anode of an all-solid-state battery, and thus can increase contact area with a solid electrolyte. The all-solid-state lithium ion secondary battery comprises a cathode, a solid electrolyte layer, an anode current collector, and an anode active material layer arranged between the solid electrolyte layer and the anode current collector, wherein the anode active material layer includes a first carbon material, a second carbon material and Ag, and the first carbon material and the second carbon material have different average particle sizes.

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