国家/地区 中国（8）
IPC部 C（8） H（4） B（3）
IPC大类 C01（8） H01（3） B82（2）
C09（2）
IPC小类 C01B（8）
IPC C01B032/194（8）
发明人 ZHANG H（8）
公开年 2022（5） 2021（3）
申请年 2021（8）
专利权人

Preparing easily dispersed graphene slurry, comprises e.g. pre-dispersing expandable graphite, dibasic acid ester mixture and graphene dispersant, mixing, subjecting expandable graphite dispersion to colloid mill cyclic exfoliation, then centrifuging to remove unexfoliated expandable graphite.

YAO I, ZHANG H, WANG H, JI W, SUN B, LI X, FAN H

Preparing low-reflection graphene terahertz wave band sheet, comprises preparing oxidized graphene film, designing square Fresnel ring structure, and using laser direct writing technology to reduce the oxidation of graphene film.

ZHANG H, YANG Q, HUANG H, WU Y, LI Y, SUO Y, WEN Q

Graphene-supported noble metal powder used in Schottky device, involves mixing oxidized graphene solution, gold/platinum noble metal precursor solution and reducing agent i.e. ascorbic acid, hydrazine hydrate and sodium borohydride, and carrying out hydrothermal reduction reaction.

LIU Y, PU Z, WANG H, FENG J, LI Y, DUAN J, ZHANG H

Preparing silicon-carbon composite electrode material, involves pretreating substrate, mixing silicon material and carbon material to prepare silicon/carbon composite powder; dispersing silicon/conductive polymer powder.

BAI X, DONG K, ZHANG H

Preparation of graphene micro-fold triboelectric nanogenerator involves facricating prestretched polymer/reduced graphene oxide micro-folds as positive electrode, using polyvinylidene fluoride as negative friction material, and testing.

LI S, ZHU X, ZHANG H, WANG B, WANG S, CHENG B, WAN T

Graphene oxide film used as e.g. selective transmission film, includes main portion formed of graphene oxide with lamellar structure with oxygen-containing functional groups, where oxygen-containing functional group includes hydroxyl functional group, epoxy group and carbonyl functional group.

YU Z, ZHAO Z, TANG P, ZHANG Y, ZHANG H

Improved preparation process of sulfonated graphene comprises condensing and refluxing concentrated sulfuric acid, adding e.g. graphite powder, adding pre-oxidized product, adding hydrogen peroxide, ultrasonically processing and drying.

ZHANG J, LAN Q, ZHANG H, XU H, ZHANG M

Preparing edge hydroxylation modified graphene, comprises carrying out modification reaction with graphene using modifying agent, adding oxidant to carry out oxidation reaction, and processing.

ZHANG H, HAN W, YAN X, XIE H, WU J, CONG R, XIA Y, LIN P, GAO H, SONG Z