国家/地区 中国（39）
IPC部 B（39）
IPC大类 C01（39）
IPC小类 C01B（39）
IPC C01B032/19（39）
发明人 ZHANG Y（4） JANG B Z（3） LU Y（3）
CHEN P（2） CUI D（2） GE M（2）
HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） LI J（2） LI W（2）
LIU Y（2） MENG Q（2） NAGISA K（2）
公开年 2021（9） 2017（7） 2022（5） 2015（3） 2016（3） 2018（3） 2023（3） 2020（2）
申请年 2021（9）  2016（5）  2015（4）  2017（4）  2019（4）  2022（4）  2014（3）  2020（3） 
专利权人 NANOTEK INST.（3） ALBEMARLE CO.（2） GRAPHENE PLA.（2） GRAPHENE PLA.（2）
SHANGHAI NAT.（2） UNIV ANHUI（2） XU H（2）

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Heat dissipation sheet comprises e.g. graphite layer, primary graphene layer stacked on one side of graphite layer with primary adhesive layer interposed there between and secondary graphene layer stacked with secondary adhesive layer.

PARK J, YOUNG C, CHOI C Y, PARK J U, CHOI C, PIAO Z

Mixed solution of carboxyl graphene quantum dot includes preset amount of dispersant, adsorbent, carboxyl graphene quantum dot solution, and deionized water.

LEI B, TANG L, ZHAO P, PU X, WU M

Preparing controllable graphene by using an electrode and magnetic field to adjust ion intercalation, involves placing electrolytic device in room temperature environment and then graphite sheet is placed distance as electrolytic electrode.

CAO D, TIAN W, LIU Y

Preparing graphene involves adopting the mode of resonance, impelling the frictional collision of graphite raw material and grinding medium resonance to obtain graphene powder.

LI K, FENG S, YANG Q

Method for exfoliation and functionalization of lamellar objects, involves placing electrode out of liquid, and generating plasma between portion of electrode facing surface of liquid and surface of liquid by applying pulse voltage difference between two electrodes.

CUYNET S, PONCOT M, FONTANA S, LETOFFE A, HENRION G, HEROLD C, ROYAUD I, BELMONTE T, GERARD H, STEPHEN Q, MARK P C, SEBASTIAN F, LETOPEADRIAN, GERARD H O, CLARE H, ISABEL L, THIERRY B

Preparing graphene quantum dots using multi-field coupling comprises mixing aromatic hydrocarbon as carbon source, sulfuric acid and nitric acid as solvent, reacting, diluting, adjusting pH, filtering, purifying filtrate and drying.

YANG X, LU Y