国家/地区 韩国（4） 美国（4） 中国（3） 世界知识产权组织（3）
IPC部 D（7） C（5） H（2）
IPC大类 D01（7） C01（5）
IPC小类 D01D（7）
IPC D01F009/12（7）
发明人
公开年 2021（7）
申请年 2020（7）
专利权人 KOREA ADVANC.（2）

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

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

Two-dimensional nanomaterial fiber useful in electronic devices comprises two-dimensional nanomaterials oriented in longitudinal direction, and plate-shaped fibrous cross section formed by layer-to-layer stacking of nanomaterials.

KIM S, JUNG H J, KIM S O

New graphene oxide used for preparing conductive graphene fibers contains oxygen-containing functional group e.g. epoxy or hydroxy on surface, but no surface oxygen-containing functional group e.g. lactol or carboxy.

HAN J T, KIM J H, CHO J Y, LEE G W, PARK J H, SEO S H, JEONG S Y, JEONG H J, HAN J, KIM J, LEE G, CHO J, JEONG S, SEO S, JUNG S Y, CHUNG H J

Nanofibers comprise reduced graphene oxide sheets or graphene oxide sheets overlapped back and forth along fiber axis, and size of reduced graphene oxide sheets or graphene oxide sheets curled along circumferential direction.

GAO C, WANG J

Preparation of wrinkled graphene fibers in preparation of wearable electronic devices, involves using syringe pump to inject prepared graphene oxide solution into coagulation bath, and setting gap between needle and coagulation bath.

LIU L, YANG J, ZHANG R, YU Q