Negative electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery
摘要:
In a nonaqueous electrolyte secondary battery containing a silicon material as a negative electrode active material, the initial charge-discharge efficiency is improved. Negative electrode active material particles (10) according to an embodiment each contain a lithium silicate phase (11) represented by Li2zSiO(2+z) (where 0
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