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NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR SODIUM ION SECONDARY BATTERY USING THE SAME, AND SODIUM ION SECONDARY BATTERY
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR SODIUM ION SECONDARY BATTERY USING THE SAME, AND SODIUM ION SECONDARY BATTERY
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机译:钠离子二次电池用负极活性材料,钠离子二次电池用相同的负极材料,钠离子二次电池
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摘要
PROBLEM TO BE SOLVED: To provide: a negative electrode active material for a sodium ion secondary battery high in discharge capacity and excellent in cycle characteristics; a negative electrode for a sodium ion secondary battery; and a sodium ion secondary battery.SOLUTION: A negative electrode active material for a sodium ion secondary battery of the present invention contains Sn, O and at least one selected from among Si, B and P, and also includes an amorphous phase.
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