国家/地区 中国（9）
IPC部 C（5） H（4）
IPC大类 C01（5） H01（4）
IPC小类 C01B（5） H01M（3）
IPC C01B031/04（5） H01M004/38（2）
发明人 QU Y（6） WANG Z（6） CAI Y（2）
DING Z（2） LI Y（2） LIU Q（2）
XU H（2）
公开年 2012（9）
申请年 2012（7）  2011（2） 
专利权人 CHANGZHOU SIXTH ELEMENT MATERIAL TECHNOL（9）

Making surface active graphene used in fuel cell, nano-electronic device involves peeling off the graphite oxide graphene obtained with phosphoric acid solution impregnation, and then activated to obtain the surface active graphene.

LI Y, GAO P, QU Y

Preparation of graphene for e.g. energy storage active material of hydrogen, lithium ion battery, super capacitor, fuel cell and nano-electronic device involves reducing graphene oxide to graphene in presence of ammonia with elemental zinc.

LI Y, QU Y, XU H

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

Producing graphene by high pressure reduction useful e.g. as an energy storage active material for storing hydrogen, comprises diluting graphite oxide, and performing high pressure reduction treatment to prepare diluted graphite.

QU Y, LIU Q, SUN D

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