国家/地区 中国（10） 韩国（5） 美国（5） 世界知识产权组织（4） 德国（2）
IPC部 D（15）
IPC大类 D01（15） C01（6） H01（2）
IPC小类 D01D（15）
IPC D01F009/12（15）
发明人 GAO C（3） KOEHNE M（2） LI P（2）
WANG Z（2） XU Z（2）
公开年 2021（15）
申请年 2020（7）  2021（5）  2019（3） 
专利权人 UNIV ZHEJIAN.（3） BOSCH GMBH R.（2） HANGZHOU GAO.（2） KOREA ADVANC.（2）

Preparing hollow graphene fiber comprises e.g. centrifuging large diameter graphene oxide solution, injecting graphene oxide spinning stock solution into outer core of coaxial needle, coating on outer layer of silk fiber, winding, and chemically reducing with acid.

FU Y, SHI L

Preparing hollow graphene fiber by self-curling method useful in supercapacitor for flexible and wear-resistant energy storage device, comprises printing graphene oxide slurry onto rotating roller and reducing hollow graphene oxide fiber.

LAN X, TIAN Z, SHEN P

Preparing high elongation graphene fibers by extruding spinning solution of graphene oxide into coagulating bath to obtain primary graphene oxide fibers, pulling, stretching, drawing into new coagulating bath, adjusting wire winding machine, realizing 'negative stretching' and chemical reduction.

GAO C, WANG Z, XU Z, LI P

Graphene oxide material with high strength and high toughness comprises graphene oxide micro-fiber combined by Vander Waals force between graphene oxide sheets.

GAO C, LI P, WANG Z, XU Z

Preparing silver/graphene composite fiber involves preparing large sheets of graphene oxide by the improved Hummers method, preparing graphene oxide water dispersion as spinning solution, and filling the solution into a needle cylinder.

QU J, SHEN M, QIAN J, LI Y, WANG R, HU X

Producing graphene fibers or ribbons by spinning process, comprises providing spinning solution in which graphene and/or graphene oxide platelets are dispersed, and feeding spinning solution via feed line to a spinneret.

KOEHNE M, PIEPER W, RIZZI L

Producing a carbon and sulfur complex having hierarchical structure for lithium-sulfur battery electrode comprises reducing carbon dioxide-containing gas in presence of reducing agent e.g. magnesium, mixing sulfur and heat-treating.

LEE J, PARKJAEHYUN, KIM H S

Preparing graphene fiber comprises preparing dope solution in which graphene oxide sheets are dispersed in polar organic solvent, extruding dope solution into coagulating solution, diffusing polar organic solvent from extruded dope solution.

HANTAEHEE, LEE S H, EOM W, SHIN H

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Preparation of multi-capsule porous graphene-based microrods, involves stirring graphene oxide-silica or graphene oxide-silica functional filler aqueous solution, hydrothermally reacting, solvent exchange, annealing, and etching silica.

YU S, ZHANG L, PAN Z, MA T, LIU Y