CPC H01M 4/364 (2013.01) [H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)] | 30 Claims |
1. A negative electrode, comprising: silicon-based particles and graphite particles, wherein each silicon-based particle is surrounded by N graphite particles within a vertical distance of 0 to 6 μm from respective edges of each silicon-based particle; and wherein, based on a total quantity of the silicon-based particles, 6≤N≤17 for more than 50% of the silicon-based particles;
wherein a particle size distribution of the silicon-based particles satisfies: 0.3≤Dn10/Dv50≤0.6.
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