Invention Grant
US08906555B2 Negative active material for rechargeable lithium battery and rechargeable lithium battery comprising same 有权
用于可再充电锂电池的负极活性材料和包含它的可充电锂电池

Negative active material for rechargeable lithium battery and rechargeable lithium battery comprising same
Abstract:
A negative active material for a rechargeable lithium battery includes: a crystalline carbon core including pores; an amorphous carbon shell positioned on the core surface; metal nanoparticles dispersed inside the pores; and amorphous carbon inside the pores, wherein a first particle diameter difference (D50−D10) of the nanoparticles is from about 70 to about 150 nm and the second particle diameter difference (D90−D50) of the nanoparticles is from about 440 to about 520 nm.
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