国家/地区 日本（5）
IPC部 B（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/05（5）
发明人
公开年 2021（2）
申请年
专利权人

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R

Electromagnetic wave absorbing material used for removing electromagnetic wave noise, is prepared by covering surface of carbon material with carbon nanostructure having graphene, and carbon nanostructure does not contain metal element.

FURUBAYASHI H, MORI M, IKEDA T, KANO S

Manufacture method of high strength composite reinforcing fiber, involves coating graphene oxide flakes on conventional reinforcing fiber.

CHRISTIANSEN S, RESTREPO D, STOLTZ R, BULLINGTON J

Concurrently forming ammonia and solid carbon products e.g. graphene, includes reacting carbon oxide, nitrogen and reducing agent in presence of catalyst to form solid carbon entrained in tail gas mixture, and recovering ammonia.

NOYES D B

Ramified graphene-carbon nanotube composite material comprises ramified graphene and carbon nanotube forming communicate network structure through intermixing and interveining.

ZHOU M, WU F, WANG Y