リチウム二次電池用負極活物質の製造方法、およびこれから製造されたリチウム二次電池用負極活物質およびリチウム二次電池

摘要

Disclosed are a method of preparing a negative active material for a rechargeable lithium battery that includes preparing a solution including spherically shaped natural graphite particles and a solvent, ultrasonic wave-treating the solution, and drying the ultrasonic wave-treated solution to prepare graphite modified particles, and a rechargeable lithium battery prepared therefrom.