国家/地区 中国（5） 日本（5） 世界知识产权组织（5） 欧洲专利局（EPO）（4） 韩国（4） 美国（4） 台湾（3） 加拿大（2） 印度（2）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01J（6）
IPC C01B032/15（6）
发明人
公开年 2015（2） 2021（2）
申请年 2021（2） 
专利权人

Preparing nitrogen-doped carbon quantum dots used in metal probes, photoelectrocatalysis and bioimaging, involves dispersing urea, sodium citrate and graphene oxide in water and mixing them into uniform and clear liquid.

HUANG Q, LIU X, LIAO H, GAO H, GONG S

Synthesizing carbon beads by preparing viscous slurry in non-polar solvent configured to function as disperse phase, preparing viscous gel using hydrocolloids, passing disperse phase and continuous phase into microfluidic droplet generator, subjecting to thermal treatment and UV radiation and drying.

PARENTE M, SITHARAMAN B, SITARAMAN B

Carbon-based composite used in composition for oxygen reduction catalyst ink used in electrode, comprises nanosheet-like graphene oxide or its reduced product, and carbon quantum dots.

NAKAGAWA N, ISHITOBI H, TANAKA Y, OTSUKA Y, NOBUYOSHI N, HIROKAZU I, YUUKI T, YOSHIHIRO O

Graphene dispersion liquid used for manufacturing active material composite particles, is obtained by dispersing graphene in solvent comprising specified amount of N-methylpyrrolidone, and has preset weight absorptivity coefficient.

MANABE K, TAMAKI E, KAWASAKI M

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y