国家/地区 中国（18）
IPC部 C（18）
IPC大类 C01（18）
IPC小类 C01B（18）
IPC H01B001/04（9） C01B032/194（7） H01B013/00（7）
C01B032/184（5） C01B032/19（4） H01B005/14（4）
H01M004/62（4） C01B032/168（3） C01B032/174（3）
C01B032/182（3） C01B032/198（3） C01B032/21（3）
H01B001/24（3） B22F003/14（2） B22F009/04（2）
发明人 CHEN J（2） LI Y（2） WANG F（2）
公开年 2022（10） 2021（7）
申请年 2021（18）
专利权人

Graphene sheet used in e.g. positive electrode and battery, comprises layers of graphene layer, where linear distance of any two points connecting line around graphene sheet is 100-500 nm longest.

ZHONG P, MA J

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Preparing pomegranate seed structure high elastic mold conductive assembly used as conductive agent of new energy lithium-ion battery comprises taking n-octanol, absolute ethyl alcohol and deionized water, heating, adding citric acid, adding ethylene glycol and polyvinylpyrrolidone, and spraying.

CHEN X, YANG H, BAO N, ZHANG L

Preparing graphene nano-sphere comprises making carbon source in situ polymerization of metal nano-particle surface obtaining polymer-coated metal nano particles, and quenching and etching to obtain a graphene nanophere.

LIAO B, DAI Y, YU Y, PANG H

Preparing method of hollow tubular graphene, involves coating electrolyte solution on surface of bio-based material, drying and soaking in graphene oxide dispersion liquid, drying to obtain intermediate substance, and carbonizing intermediate material.

ZHENG W, SHEN B, CHEN J

Preparing high-purity graphene by electrolysis comprises e.g. replacing electrolyte with weak alkaline electrolyte C, energizing, dissolving precipitation D in organic solvent, ultrasonically treating, centrifuging, washing upper layer with deionized water suction filtration and drying.

PEI X, LUO Y, WANG F, XU C, CHEN W, CHEN J

Preparing self-floating transparent nano ultra-thin film comprises e.g. preparing ultra-thin film material dispersion liquid, suction filtering nano-ultra-thin film layer on MXene substrate film layer by vacuum filtration, so that double-layer film structure is formed on substrate material.

LI Y, ZHAO J, WANG L, SHI C, WANG F, LING Z, SONG Y

Preparation of graphene/metal-based composite material based on graphene defect control involves ultrasonically dispersing graphene powder with different defects, at the same time, metal powder by stirring ball milling.

LIU Y, ZOU B, ZHANG G, WANG G, LI Z, OUYANG H

Batch preparation of aqueous perforated graphene conductive agent for lithium-ion battery, involves activating and pore-forming expanded graphite, adding expanded graphite into dispersant solution, mixing to obtain uniformly dispersed material and stripping dispersed material.

GENG Y, LV M, OUYANG Z, HAN S

Carbon material dispersion liquid used for manufacturing e.g. paints, comprises carbon material containing carbon black, organic solvent, and polymer dispersant comprising amine-containing structural unit, propanone-containing structural unit, and other structural units connected to these units.

HIROYUKI S, YOSHIKAZU M, JUN K, SEIJI D, SHIMANAKA H, MURAKAMI Y, KAMABAYASHI J, DOI S