国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/198（2）
发明人 ZHANG L（5）
公开年 2019（2）
申请年 2019（2） 
专利权人 UNIV KUNMING SCI TECHNOLOGY（5）

Preparing large graphene used in e.g. medicine, involves dissolving potassium persulfate, putting graphite, stirring, oxidizing, centrifuging to obtain graphene solution and expandable graphite suspension, adding expanded graphite to mixed solvent for intercalation and dispersion, and centrifuging.

XIE C, XU Z, XIA G, HAN C, LIU J, ZHANG L, TANG Z, XU L

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

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