国家/地区 中国（5）
IPC部 C（4） H（2）
IPC大类 C01（4） H01（2）
IPC小类 C01B（3）
IPC C01B032/184（3）
发明人 FENG W（5）
公开年 2018（2） 2020（2）
申请年 2017（3）  2019（2） 
专利权人 FUJIAN MATERIAL STRUCTURE INST（5）

Preparing graphene film by preparing graphene oxide dispersion, placing on substrate to prepare graphene oxide dispersion film, freeze-drying to prepare graphene oxide film and irradiating graphene oxide film with laser.

ZHANG Y, WANG W, FENG W, LIN S, LIU Y, LI X, CHEN S, CHEN Y, LIN J, ZHANG X

Preparing graphene film by preparing graphene oxide dispersion, heating, placing graphene oxide dispersion liquid on substrate to prepare graphene oxide dispersion liquid film, drying, irradiating and using laser light.

ZHANG Y, WANG W, FENG W, LIN S, LIU Y, LI X, CHEN S, CHEN Y, LIN J, ZHANG X

Nano silicon/graphene/carbon composite electrode material has nano silicon is used as core, graphene as first coating layer, carbon as second cladding layer, and high temperature carbonization is carried out under protection of inert gas.

ZHANG Y, LIU Y, MIAO X, ZHANG X, CHEN S, CHEN Y, WANG W, CHENG J, LIN S, LIN Z, FENG W, LI D, LI X, XUE X

Treating waste liquid produced during preparation of graphene oxide comprises adding neutralizing agent to waste liquid, when the pH is raised, and adding precipitating agent.

ZHANG Y, ZHANG X, LIU Y, MIAO X, CHEN S, CHEN Y, WANG W, CHENG J, LI D, LIN Z, LIN S, FENG W, LI X, XUE X

Graphene film used in electrode for supercapacitor, lithium-ion battery and solar cell, is composed of corrugated graphene stack, contains conductive nanoparticles, and has specific surface area of preset range.

ZHANG Y, FANG J, LIU Y, MIAO X, ZHANG X, CHEN S, CHEN Y, WANG W, FENG W, CHENG J