国家/地区 中国（6）
IPC部 H（4） C（2）
IPC大类 H01（4） C01（2）
IPC小类 H01M（3） C01B（2）
IPC C01B031/04（2） H01M004/38（2）
发明人 WANG Z（6）
公开年 2012（6）
申请年 2012（4）  2011（2） 
专利权人 CHANGZHOU SIXTH ELEMENT MATERIAL TECHNOL（6）

Preparation of negative electrode for manufacturing lithium-ion secondary battery, involves oxidizing graphene in concentrated acid environment, calcining and drying.

DING Z, WANG Z

Removing graphene material comprises washing the obtained graphene with deionized water, repeatedly removing impurity and cleaning with solution, repeatedly washing with deionized water, and finally calcining the graphene.

LIU Q, QU Y, WANG Z, WEN Z

Preparing graphene oxide, comprises mixing flake graphite with oxidant, reacting mixture at constant temperature, leaching and drying mixture to obtain graphite particles, and processing microwave irradiation on obtained graphite particles.

QU Y, LIU H, WANG Z

Graphene modified lithium ion battery cathode material, comprises graphene uniformly dispersed in gap between graphite nodule powders to form three-dimensional conductive network structure.

CAI Y, WANG Z

Method for preparing graphene doped lithium iron phosphate anode material, involves uniformly stirring dispersion liquids by drying, spraying and calcining to obtain graphene doped lithium iron phosphate anode material.

DING Z, WANG Z, QU Y, XU H

Super-capacitor electrode sheet, has electrode plate whose thickness is about specific range, where electrode sheet is assembled by graphene-derived material of porous three-dimensional structure with high specific surface area.

JIANG J, WANG Z, CAI Y