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NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYT

2025-06-17 13:282960下载
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This negative electrode material for a nonaqueous electrolyte secondary battery includes : a lithium silicate phase; silicon particles dispersed in the lithium silicate phase; and at least one element Me which is dispersed in the lithium silicate phase and selected from the group consisting of a rare earth element and an alkali earth metal. The composition of the lithium silicate phase is represented by, for example, the formula of Li2zSiO2+z, where 0
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