国家/地区 中国（9）
IPC部 C（8） B（3）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/192（2） C01B032/198（2）
发明人 REN W（9）
公开年 2019（9）
申请年 2019（7）  2018（2） 
专利权人 ZIBO LIANKE .（3） INST METAL R.（2）

Concrete vibrating device for road engineering, has transducer bonded and fixed with vibrating ruler, where transducer is connected with signal end of ultrasonic wave generator and transducer and generator are connected with graphene battery.

REN W, YANG W

Preparing nano-grade sheet graphene oxide material comprises e.g. using glass carbon material, immersing in electrolyte, inserting into cathodeelectrode, applying a voltage, oxidizing, centrifuging, washing, dialyzing and drying.

PEI S, WEI T, REN W, CHENG H

Preparing graphene powder by redox method, involves heating graphene oxide solution, slowly adding hydrazine hydrate, refluxing in water bath, adding water for centrifugal separation, washing and drying to obtain reduced graphene powder.

LI A, YU M, REN W, LIU J, ZHANG F, GAO R, BAO T

Preparing a highly dispersible graphene powder, involves adding graphene oxide to water, stirring and dispersing into oxide graphite dispersion, ultrasonically stripping graphite oxide dispersion to obtain a graphene oxide dispersion.

LI A, YU M, REN W, ZHANG F, GAO R, BAO T

Preparing a graphene oxide solution, involves adding natural flake graphite to concentrated sulfuric acid to carry out a pre-oxidation reaction, obtained solution is cooled, and potassium ferrate is added for primary oxidation reaction.

LI M, YU M, REN W, WANG G, ZHANG F, GAO R

Electrocatalytic oxygen generating composite catalyst comprises nickel phosphorous trisulfide nanosheet and graphene.

REN W, XUE S, CHEN L, CHENG H

Transferring CVD-grown graphene comprises e.g. pretreating the CVD-grown graphene to obtain growth substrate-graphene sample, placing on the target substrate, contacting with the target substrate, and fixing the growth substrate.

NIU G, WU H, REN W, JIANG L, LIANG O, ZHAO J, LIU Y, XIE Y

Preparing graphene oxide/expanded graphite aerogel phase change composite material involves mixing graphene oxide solution with expanded graphite to form uniform dispersion.

ZHANG D, REN W

Concrete column comprises Portland cement, slag powder, ceramic beads, reinforcing fiber, graphene, nano calcium oxide, nano PTFE, methyl silicone, dibutyltin dilaurate, epoxidized soybean oil, and silicone rubber.

REN W