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1. (WO2017036350) LITHIUM ION BATTERY NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF AND LITHIUM ION BATTERY

Pub. No.:    WO/2017/036350    International Application No.:    PCT/CN2016/096819
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: H01M 4/36
Applicants: ZHANG, Linde
张麟德
Inventors: HU, Chao
胡超
ZHANG, Linde
张麟德
ZHANG, Mingdong
张明东
Title: LITHIUM ION BATTERY NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF AND LITHIUM ION BATTERY
Abstract:
Disclosed are a lithium ion battery negative electrode material and a preparation method thereof and a lithium ion battery. The lithium ion battery negative electrode material comprises: graphite-phase carbon material and functionalized graphene. The preparation method of the lithium ion battery negative electrode material comprises: compounding graphite-phase carbon material and functionalized graphene with the liquid-phase compound method or the solid-phase compound method to obtain lithium ion battery composite material. The lithium ion battery negative electrode material provided by the present invention has the advantages of high capacity, high initial coulomb efficiency, good circulation performance and low production cost.