国家/地区 中国（16） 世界知识产权组织（7） 美国（3） 欧洲专利局（EPO）（2） 日本（2）
IPC部 C（23）
IPC大类 C01（23）
IPC小类 C01B（23）
IPC C01B031/04（23） C01B032/182（2） C01B032/194（2）
C01G009/02（2） C09K011/65（2）
发明人 ZHANG M（23）
公开年 2015（15） 2014（4） 2016（4）
申请年 2014（23）
专利权人 JIANGSU JIAN.（8） SHENZHEN CAN.（6） SHENZHEN YUE.（5） CARBON NANO .（2）
SHENZHEN YUE.（2）

Grading and separating graphene material comprises preparing liquid dispersion of graphene material including graphene, graphene oxide or graphene quantum dots and subjecting to electrophoresis to obtain graphene material liquid dispersion.

ZHANG L, ZHANG M

Preparing graphene comprises adding a surfactant to a carbonate solvent to form surfactant-containing solution, adding graphite, ultrasonic peeling, centrifuging, filtering the graphene-containing supernatant and drying.

ZHANG L, ZHANG M

Preparation of graphene quantum dots involves adding monolayer graphene oxide to solvent, adding zinc oxide and stabilizing agent, hydrothermally reacting, adding acid, filtering, extracting, and removing extracting agent by evaporation.

ZHANG L, ZHANG M

Graphene material-based dispersive solid phase extraction method involves performing pore-forming and activation of graphene material, adding activated graphene material to chemical sample, extracting and detecting supernatant.

ZHANG M, ZHANG L

Repairing reduced graphene oxide comprises e.g. reacting graphene oxide with Lewis acid and methyl containing compound, refluxing, adding Lewis acid and repair agent, reacting, mixing with metal powder catalyst, reacting and annealing.

ZHANG M, ZHANG L

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L

Device used for spray drying method and microwave production of graphene, comprises microwave oven cavity, spray drying device, cyclone collector, close wind discharging device, material discharge pipe, atomizer, and drying room.

LI Z, ZHANG M, CAI J

Device for industrial production of graphene using microwave, has furnace pipe whose output end is connected with product collector and whose input end is provided with inert gas inlet and compression air inlet.

LI Z, ZHANG M, CAI J

Graphene production spray drying and microwave device comprises microwave oven cavity, spray drying device, cyclone collector, close wind discharging device, material discharge pipe, drying room, atomizer, pipe and discharge pipe.

LI Z, ZHANG M, CAI J

Manufacture of graphene involves subjecting graphite to electrochemical peroxidation, hydrolyzing, granulating, carrying out microwave dissociation, reducing, filtering obtained suspension and drying.

LI Z, ZHANG M, CAI J