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Silicon-containing particles, negative electrode material for nonaqueous electrolyte secondary battery using the same, nonaqueous electrolyte secondary battery, and method of manufacturing silicon-containing particles
Silicon-containing particles, negative electrode material for nonaqueous electrolyte secondary battery using the same, nonaqueous electrolyte secondary battery, and method of manufacturing silicon-containing particles
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机译:含硅粒子,使用其的非水电解质二次电池用负极材料,非水电解质二次电池以及含硅粒子的制造方法
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摘要
The present invention intends to provide silicon-containing particles that, when used as a negative electrode active material for a nonaqueous electrolyte secondary battery, can form a nonaqueous electrolyte secondary battery that is less in volume change during charge/discharge and has high initial efficiency and excellent cycle characteristics. The present invention provides silicon-containing particles that are used as a negative electrode active material for a nonaqueous electrolyte secondary battery and have a diffraction line with a peak at 2θ=28.6° in X-ray diffractometry, a negative electrode material for a nonaqueous electrolyte secondary battery therewith, a nonaqueous electrolyte secondary battery, and a method of manufacturing the silicon-containing particles.
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