国家/地区 美国（7） 中国（4） 世界知识产权组织（4） 韩国（3） 欧洲专利局（EPO）（2） 日本（2）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/23（8）
发明人 MIWA T（2）
公开年 2017（8）
申请年 2016（5）  2017（3） 
专利权人 SEMICONDUCTO.（2）

Preparation of carbon black and graphene powder composite conductive agent used for lithium iron phosphate anode material comprises oxidizing graphite to graphite oxide, adding carbon black powder, and reducing.

ZHANG Y, GE M, MA Y, ZHANG L, YIN S, CONG X, ZHANG J, GAO P, QU Y

Production of graphene oxide used in e.g. energy storage device, involves oxidizing graphite, adding potassium permanganate, water, heating, adjusting graphene oxide-dispersion, adding alcohol and washing isolated graphene oxide.

RASUL S, COSTA P M F J, ALAZMI A

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

Reduced graphene oxide film used for forming electrode of supercapacitor device, comprises three-dimensional hierarchy of pores, and has preset active density.

KANER R B, SHAO Y

Positive electrode used for lithium secondary battery, comprises positive electrode current collector and positive electrode active material layer having active material particles and graphene oxide over positive electrode current collector.

MIWA T, INOUE N, NOMOTO K, MOMO J

Making graphene composite used to make active material for supercapacitor, involves radiating microwave on graphite oxide-conducting agent mixture, dispersing formed material in liquid and ultrasonic-wave pulverizing, and freeze-drying.

YEON S, JEON M, SHIN K, JIN C, LEE B, PARK S, KIM D, LEE S H, YEON S H, JIN C S, JEON M S, LEE B S, SHIN K H, PARK S K, KIM D H

Industrial method of producing large-scale quantities of graphite oxide, graphene oxide, and/or graphene for use as e.g. catalysts involves ultrafine grinding, flotation purification, graphite oxidative transformation, and purification.

JALBOUT A

Preparation of carbon composite used in electrode used for capacitor e.g. supercapacitor, involves heating mixture of graphene oxide and active material which is carbon material at preset temperature.

GALHENA D, AMARATUNGA G, HOFMANN S