国家/地区 中国（6）
IPC部 B（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/19（6）
发明人 WANG Q（2）
公开年 2023（6）
申请年 2022（4）  2023（2） 
专利权人

Low-temperature and fast preparation of oligomeric graphene with large interlayer distance useful in cathode material for potassium ion battery, comprises preparing graphene oxide dispersion by Hummers method, drying, placing graphene oxide powder in tubular furnace and heating.

WANG Q, QIN M, YAN J

Preparing manganese-based catalyst of ORR reaction of alkaline condition, comprises dispersing graphene oxide (GO) uniformly in aqueous solution of ethylene glycol, adding aqueous solution of dicyandiamide (DCDA) and adjusting pH of resulting mixed solution to be alkaline.

SUN C, XU M

Preparing honeycomb-shaped multilayer graphene, comprises mixing potassium persulfate, phosphorus pentoxide and concentrated sulfuric acid, adding crystalline flake graphite, and mixing pre-oxidized graphite and sodium nitrate, and concentrated sulfonate and reacting to obtain precursor solution.

LIU J, ZHU Y, ZHAO R, PENG Y, QIU X, WU X

Power generation and low-cost energy storage charging by adding nano-graphene balls to photovoltaic glass, adding photoelectric conversion rate to coating, fixing energy storage cabinet on ground, converting low-peak electricity into direct current, and adding nano-graphene balls to cables and wires.

YU H, ZHANG X

Method for preparing graphene microwave absorbing composite material by using electric explosion technique, involves pumping electric explosion chamber into vacuum, flushing argon gas and electric explosion voltage to alloy-graphite mixed powder for performing electric explosion process.

XIAO R, ZHU L, ZHOU H, FAN H, WANG Q, ZHANG M, YU Y, WEI Y

Waste lithium-ion battery recycling method based on selective enhanced crushing method, involves extracting metal and its maintenance by supercritical fluid/subcritical fluid, and using supercritical fluid/subcritical fluid extraction in situ preparation graphene from anode material.

SHI H, LU Y