国家/地区 中国（8）
IPC部 C（8）
IPC大类 C01（8） H01（2）
IPC小类 C01B（8）
IPC C01B032/184（8）
发明人 LV H（8）
公开年 2021（3） 2022（3）
申请年 2020（3）  2021（3） 
专利权人 LV H（5） BEIJING SCIE.（4）

Carbon black fast joule heat preparation method of graphite, involves putting conductive carbon powder in middle of insulating tube, and connecting electrode rods with positive and negative electrodes of direct current power supply.

ZHANG Q, LV H

High temperature vacuum reactor for preparing graphene by electrifying carbon powder, comprises positive electrode and negative electrode of power supply respectively connected with two electrode rods.

LV H

Vacuum reactor for preparing graphene by electrifying carbon powder, comprises positive electrode and negative electrode respectively connected with two electrode rods with sealing ring, and electrode respectively inserted into reaction tube.

LV H

High temperature furnace for preparing graphene by carbon powder electromagnetic induction heating, comprises cylindrical furnace body comprising insulating fireproof wall, graphite felt insulating layer and graphite inner core.

LV H

Vacuum reactor useful for preparing graphene by electrifying carbon powder, comprises a vacuum cavity composed of an upper cover and a lower cover, and a reaction tube located between the upper cover and the lower cover.

LV H, ZHANG Q

High temperature reaction device for preparing graphene by electrifying carbon powder comprises big and small two concentric cylinder electrodes, insulating ring cover, and insulating bottom plate.

LV H

Preparing material of elemental sulfur-rich nickel cobalt sulfide and graphene comprises preparing graphene oxide solution, dissolving e.g. nickel salt, ultrasonically stirring, adding urea and annealing.

WANG Y, ZHANG J, CHEN Z, LV H, ZHOU Z, ZHAO Y

Preparation of phosphate-and nitrogen-doped graphene-modified lithium iron phosphate used for battery involves preparing iron phosphate, milling with e.g. carbon source, adding pyrrole, oxidative polymerizing, and calcining.

CHEN L, LI Y, GUO C, LIU Y, ZHANG H, NI M, YE Y, LV H