国家/地区 中国（10）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B032/186（3） C01B032/196（3） C01B032/17（2）
发明人 LI Y（10）
公开年 2019（3） 2009（2） 2023（2）
申请年 2018（3）  2009（2）  2019（2）  2021（2） 
专利权人 UNIV PEKING（10）

Removing metal impurities in carbon material involves performing heat treatment, mixing carbon material and metal salt, and sequentially washing heat-treated mixture with acid and washing with water to obtain purified carbon material.

ZHU S, LI Y

Method for manufacturing clean surface carbon nano-tube for use in nano-electronics field, involves preparing a multi-wall carbon nano tube, cutting outer tube of multi-wall carbon nano tube, and exposing clean inner tube to obtain carbon nano-tube with clean surface.

CHEN Y, LI Y

Growth method of multilayer graphene used for electrons, photoelectrons and catalysis by forming graphene core on substrate by vapor deposition, and changing growth condition, continuously growing, and forming multilayer graphene.

LIU Z, PENG H, SUN L, ZHONG S, LI Y, WANG Y, YU Y, CHEN B

Preparing large-area multilayer graphene comprises providing substrate in reaction chamber, annealing, introducing carbon source, performing chemical vapor deposition reaction and adding water vapor during chemical vapor deposition reaction.

LIU Z, CHEN B, SUN L, LI Y, DING Q, ZHAO Z, LIANG Y, WANG Y, LIU H

Cleaning method of graphene comprises rolling the surface of graphene through curved body provided with adsorbent on curved surface.

LIU Z, PENG H, SUN L, LI Y, LIU X, LIN L, ZHANG J, JIA K

Preparing graphene glass assisted by metal nanoparticles for defogging glass, involves preparing metal nanoparticle dispersion on surface of glass substrate, and removing solvent to obtain pretreated substrate.

ZHAO Z, LI Y, ZHAO Y

Cleaning graphene surface for preparing clean graphene used in e.g. transparent electrode, involves providing carbon nanomaterial, contacting nanomaterial with graphene surface, applying pressure and separating nanomaterial from graphene.

LIU Z, PENG H, LI Y, SUN L, WANG K, ZHANG J, JIA K, LIU X

Vacuum graphene transfer device useful for transferring the graphene film to the target substrate comprises e.g. shell set inside of vacuum cavity, lifting mechanism set in the shell and comprising pressing plate capable of lifting.

LIU Z, PENG H, LI Y, SUN L, ZHANG J, JIA K, LIU X

Preparation of graphene involves reacting carbon nanotube and oxidant with ionic liquid at normal dispersion mode.

LI Y, PENG F, WANG J

Preparation of graphene involves reacting sodium metal and halogenated hydrocarbon as raw materials in solvent in inert environment.

LI Y, WANG J