POSITIVE POLE MATERIAL AND BATTERY

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A positive pole material 1000 includes a positive pole active material 110, a first solid electrolyte 100, and a covering material which covers at least a portion of the surface of the positive pole active material 110. The first solid electrolyte is represented by formula (1) as follows : LiaMbXc ... formula (1). In composition formula (1), a, b, and c are, independently, positive real numbers, M includes calcium, yttrium, and at least one rare earth element other than yttrium, and X includes at least one element selected from the group consisting of F, Cl, Br, and I.