Osaka Prefecture University Public Corporation

Hideya Nakamura

Satoru Watano

A composite positive electrode active material for an all-solid-state secondary battery containing particles of a positive electrode active material and a sulfide-based solid electrolyte layer coating surfaces of the particles, wherein the composite positive electrode active material has an average roundness that is 1.3 times or more of that of a positive electrode active material at an inner core of the composite positive electrode active material.

Composite positive electrode active material for all-solid-state secondary battery, method for manufacturing same, positive electrode, and all-solid-state secondary battery

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Sakai, Japan

Hideya Nakamura