国家/地区 中国（20） 美国（13） 世界知识产权组织（11） 日本（9） 韩国（6） 欧洲专利局（EPO）（5） 加拿大（4） 澳大利亚（2） 巴西（2） 德国（2） 墨西哥（2） 新加坡（2）
IPC部 C（23）
IPC大类 C01（23）
IPC小类 C01B（23）
IPC C01B032/225（23）
发明人 WANG L（2） ZHANG J（2）
公开年 2017（23）
申请年 2016（12）  2017（9）  2015（2） 
专利权人 HARBIN BAIDU.（2）

Obtaining graphene oxide used to purify water, comprises e.g. mixing lamellar graphite powder with intercalating material, separating the structural lamellas with sodium nitrate, and adding mixture to sulfuric acid with continuous stirring.

TERENCE M C, CARRIO J A G, NASCIMENTO R S D, GUEVARA CARRIO J A, DO NASCIMENTO R S

Device for preparing graphene, comprises water pump connected with first reaction vessel filled with weak acid electrolyte and second reaction vessel, where metal plate is embedded with first reaction vessel and second reaction vessel.

ZHANG J

Graphene continuous dilating device comprises feeding system, expanding system and collecting system, where feeding system comprises top end connected with feeding of spiral feeder, and swelling system comprises furnace body.

WANG Z, ZHU S, GAO L, SUN P, WANG L, XUE J, ZHAO C, WANG Y

Graphene production system comprises graphite furnace, secondary ultrasonic device and filtering device, where graphite furnace and secondary ultrasonic device are connected with each other, and discharging device is set above furnace body.

LI L

Preparation of graphene oxide nanoplatelets involves using flexible graphite coil, strip or carbon fiber wire as raw material and subjecting to electrochemical intercalation and electrolytic oxidation stripping using drive of feeding device.

PEI S, REN W, CHENG H, HUANG K

Preparing expanded graphite or graphene from electrolytic aluminum waste cathode carbon comprises e.g. adding electrolytic aluminum waste cathode carbon, crushing, placing in oxidation device, stirring or rolling mixing mechanism.

YIN X

Manufacture of hybridized carbon-containing composition e.g. graphene quantum dot-containing composition used for e.g. transistor, involves reacting coordinated boron cation salt and hybridized carbon chosen from graphene and graphite.

FUKUSHIMA TAKANORI, SHOJI YOSHIAKI, TAKAHASHI HIROAKI, FUKUSHIMA T, SHOJI Y, TAKAHASHI H

Device for expansion of graphite into graphene flakes used for providing e.g. conductive coatings, comprises container which is provided for receiving electrolyte, anode and cathode which consists of diamond.

NEBEL C E, HOFFMANN R, ROSCHER S, ROSCHNER S, HOFFMAN R

Device useful for preparing graphene comprises e.g. through water pump connected with first reaction vessel and second reaction vessel are embedded with metal plate and first reaction vessel is filled with electrolyte.

ZHANG J

Manufacture of graphene compound used for forming electrode, involves inserting sulfuric acid between graphite layers, washing with aqueous solution containing sulfate or organic solvent, heating, ultrasonically treating and oxidizing.

YONEDA Y, OGUNI T, MIWA T, YAMAKAJI M, TSURUTA A