Patent ID: 8524113
Filing Date: 2013-09-03
Classification: C01B,C04B,H01M,Y02E,Y10T

Abstract:
1. An anode material of a lithium-ion secondary battery, comprising a graphite powder mixed from a natural graphite, an artificial graphite or both, a first resin having a hard carbon content therein and mixed with the graphite powder by a mist spray drying process, and a second resin material further mixed with the mixed graphite powder and the first resin after a carbonization heat treatment on the mixed graphite powder and the first resin takes place to prepare a graphite composite of the anode material of the lithium-ion secondary battery; wherein the first resin is one selected from the collection of an urea resin, a polyester resin, a polyamide resin and a melamine resin.