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AssigneesNissan Motor Co., Ltd., National University Corporation, Kyoto University
InventorsMasaki Ono, Akiyoshi Nakata, Hajime Arai, Zempachi Ogumi
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A zinc anode material for secondary cells includes zinc-containing particles that are coated with a coating composition containing at least one oxide of a metal selected from titanium, zirconium, magnesium, tin and yttrium. The surface localization ratio of the coating composition of Equation (1) ranges from 1.6 to 16. In Equation (1), the surface metal atomic ratio of the coating composition is represented by Equation (2), and the bulk metal atomic ratio of the coating composition is represented by Equation (3). Surface Localization Ratio of Coating Composition = Surface Metal Atomic Ratio of Coating Composition Bulk Metal Atomic Ratio of Coating Composition Equation ( 1 ) Surface Metal Atomic Ratio of Coating Composition = Metal Atomic in Surface Coating Composition / mol % Metal Amount in Surface Coating Composition + Surface Zn Amount / mol % Equation ( 2 ) Bulk Metal Atomic Ratio of Coating Composition = Metal Atomic in Coating Composition / mol Metal Amount in Coating Composition + Zn Amount / mol Equation ( 3 )
A zinc anode material for a secondary cell, comprising:
Dependencies are inferred from the claim text.