NONAQUEOUS ELECTROLYTE SECONDARY CELL

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The purpose of the present invention is to provide a nonaqueous electrolyte secondary cell having favorable charge and discharge cycle characteristics in a high-temperature environment. The present invention pertains to a nonaqueous electrolyte secondary cell provided with a positive electrode formed with a positive electrode active material combination layer, a negative electrode formed with a negative electrode active material combination layer, and a separator. An inorganic particle layer containing a rare-earth element compound is formed on the outer surface of the positive electrode active material combination layer and/or the negative electrode active material combination layer.