国家/地区 中国（16）
IPC部 C（16）
IPC大类 C01（16）
IPC小类 C01B（16）
IPC C01B031/04（14） B01D057/02（2） B82Y040/00（2）
C01B032/184（2）
发明人 ZHANG D（16）
公开年 2013（5） 2014（5） 2011（3）
申请年 2014（5）  2012（4）  2011（3） 
专利权人 UNIV TONGJI（16）

Three-dimensional graphene is stratified, and gradually outwards is sleeved at outer side of inner layer graphene and is prepared by treating crystalline flake graphite with concentrated sulfuric acid and then with potassium permanganate.

ZHANG D, WANG Y

Hybrid three-dimensional network graphene material comprises three-dimensional network as a skeleton graphene and three-dimensional mesh grid graphene nanosheet.

ZHANG D, ZANG W

Preparation of graphene roll involves dissolving graphite oxide in water, ultrasonically processing, carrying out positive electrode adsorption and negative electrode reduction, adding to acid solution, removing impurities and drying.

SHANG Y, ZHANG D

Preparing nitrogen-doped oriented graphene, comprises e.g. carrying out aqueous ammonia to graphene oxide solution by hydro-thermal reaction, and oxidizing graphene oxide to graphene, and simultaneously doping aqueous ammonia into graphene.

LIU Y, ZHANG D

High-throughput continuous graphene oxide separation comprises conveying graphene oxide solution and buffering liquid through constant flow pump, subjecting for stabilized steam treatment, carrying out free flow electrophoretic separation.

LIU Y, ZHANG D

Preparation of colloidal graphene dispersion for graphene storage and transport involves adding graphite oxide in water, ultrasonically dispersing to obtain single sheet uniform dispersion of colloidal graphene oxide, and adding surfactant.

LIU L, ZHANG D

Preparation of graphene sheet for flexible electrode material involves dissolving graphite oxide in deionized water to obtain graphene oxide solution, placing into reaction container, and inserting electrode into reaction container.

ZHANG D, LIU Y, SHANG Y

Preparation of three-dimensional net-like graphene, involves subjecting graphite oxide to positive-pulse voltage absorption and negative-pulse voltage reduction on same electrode, reducing graphite oxide, and accumulating graphene.

ZHANG D, LIU Y

Large-scale electrochemical stripping device of graphene oxide has oscilloscope that detects output signal of frequency and electric signal output to terminal plate of anode and cathode wire connecting terminal.

ZHANG D, XIE J

Transfer method of graphene or oxidized graphene thin film involves cleaning target substrate, drying, activating, forming thin film on side of substrate, and gradually tearing flexible substrate to transfer thin film.

LI X, SHANG Y, ZHANG D, LIU L