国家/地区 中国（4） 巴西（2）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/215（5）
发明人
公开年 2021（5）
申请年 2020（3）  2021（2） 
专利权人

Preparing high pure coal series graphite used for preparing graphene, involves soaking in electrolyte, keeping constant voltage to obtain expanded graphite anode sheet, and rising voltage to peel off anode until voltage changed to zero.

SUN H, LIU L, HUA Z, CAO W, ZHANG X, QUAN Y, JI L

Producing nanostructured carbon particles involves carrying out solid state reaction between two particulate materials during thermal cycle, where former material is carbide or carbonitride carbon precursor compound.

OLIVEIRA NEVES G, RIVERA N I A, KLEIN A N, BINDER C, DIAS H W J, DO VALE PEREIRA R, BATISTA RODRIGUES NETO J, BIASOLI DE MELLO J D

Regenerating graphite material used as cathode material for lithium-ion batteries, comprises e.g. sieving waste lithium ion battery cathode graphite material to obtain graphite powder and obtaining graphene oxide solution.

WANG C, WU Z, XIAO S, ZHU S, FENG C, LI X, MA C, XU Y, WANG Y

Preparation of high-efficiency graphene oxide or graphite oxide, involves adding concentrated sulfuric acid, graphite, potassium permanganate and water to reaction kettle, reacting, leaving still, and purifying to remove sulfuric acid.

WANG B, YIN S, ZHANG J, GE M, TANG R, QU Y

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S