国家/地区 中国（11）
IPC部 C（9） H（4）
IPC大类 C01（9） H01（4）
IPC小类 C01B（9） H01M（4）
IPC C01B032/198（4） H01M004/62（3） C01B032/19（2）
H01M004/36（2）
发明人 LIU B（11）
公开年 2020（3） 2021（3） 2019（2）
申请年 2019（4）  2021（3） 
专利权人 UNIV KUNMING SCI TECHNOLOGY（11）

Method for preparing adjustable conductivity type pyrolytic carbon material used in portable electronic product, involves crystallizing solid after pyrolysis for cooling to room temperature for grinding and sieving to obtain pyrolytic carbon, and performing water washing until pH value is neutral.

PAN B, LIU B, ZHANG P

Recycling method of waste lithium-ion battery negative electrode graphite involves mixing lithium acetate dihydrate, manganese(II)acetate tetrahydrate, nickel acetate tetrahydrate and cobalt(II) acetate tetrahydrate, microwave roasting, cooling, grinding and processing negative electrode graphite.

JI H, YUWEN C, DONG E, LIU B

Method for preparing graphene from waste tire, involves adding second mixed powder to dilute hydrochloric acid for ultrasonic washing and washing second mixed powder with deionized water until washing liquid is neutral and drying second mixed powder to obtain graphene.

YUWEN C, DONG E, WU B, LIU B

Reducing graphene oxide to coating lithium nickel cobalt manganese oxide cathode material by microwave-assisted synthesis involves performing microwave roasting of mixed powder in air atmosphere, heating, and cooling to room temperature.

LIU B, DONG E, JI H, ZHAO Y, GUO S

Preparing reduced graphene oxide by one-pot method comprises e.g. obtaining graphite oxide after oxidation by adding strong oxidant to strong acid solution, adding water to quench reaction, obtaining graphene oxide slurry by pickling.

LIU B, YUWEN C, LIU P, ZHANG L, GUO S

Auxiliary feeding stirring device for preparing high-quality graphene oxide, has dilute sulfuric acid feeding port whose bottom is divided into two paths that are respectively connected with dilute sulfuric acid injector and upper end of sleeve.

LIU B, YUWEN C, LIU P, ZENG Z

Industrial device for preparing oxidized graphene by one-step method at low temperature condition, has sulfuric acid boiling recovery tower and hydrochloric acid boiling recovery tower that are connected with manganese recovery system.

LIU B, YUWEN C, LIU P, ZENG Z

Preparing graphene-aluminum matrix composite material based on in situ reduction of aluminum powder and microwave hot pressing sintering comprises e.g. adding graphite to sulfuric acid, cooling, washing, drying, dispersing and squeezing.

LIU B, YUWEN C, ZHANG L

Preparing high quality reduced graphene involves adding flake graphite to certain amount of fuming nitric acid under ice water bath condition, and then adding hydrogen peroxide with stirring, reacting for period of time.

LIU B, YUWEN C, LI H, ZHANG L

Preparing graphene oxide by one-step method under low temperature condition comprises maintaining temperature, adding crystalline flake graphite and sodium nitrate to concentrated sulfuric acid to react under the condition of stirring.

LIU B, YU W, PENG J, ZHANG L