国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C01B032/19（5） C01B032/184（4） C01B032/186（2）
发明人 ZHANG R（12）
公开年 2020（10） 2021（2）
申请年 2020（12）
专利权人 BEIJING QING.（4） QINGDAO FEIC.（2） UNIV ANHUI P.（2） UNIV YANSHAN（2）

Directly preparing high-quality graphene from biomass comprises e.g. placing raw material into fixed bed, performing activation treatment, adding hydrochloric acid, nitric acid or hydrogen fluoride aqueous solution into graphene, and drying.

LIU H, CHEN W, HUO C, XU C, ZHANG R, LI F, PENG H, TANG D, LI X, REN Y

Catalyzing synthesis graphene by adding raw materials to fixed bed for high-temperature pyrolysis reaction to obtain carbonized materials, mixing with oxide, hydroxide or salt catalyst and carrying out high-temperature activation of mixture.

LIU H, CHEN W, ZHANG R, ZHOU M, TANG D, REN Y, HUO C, HUANG X, LI X

Preparing nickel-doped molybdenum disulfide/graphene three-dimensional composite material used in lithium-sulfur battery cathode material, involves adding thiourea to graphene oxide colloidal solution, adding molybdenum salt, and leaching.

DONG Y, ZHANG R, YAO H, ZHANG J

Preparing three-dimensional network graphene-based tensile strain sensor by preparing uncured soft gel made of e.g. soft gel precursor, then placing in glass mold, immersing self-supporting graphene in middle of gel, drying and solidifying.

ZHANG R

Preparation of large-area graphene by adding iron ore material to high temperature furnace, reducing to high-temperature molten iron and graphite flakes-containing product using reducing agent, and adding molten iron to steelmaking furnace.

ZHANG R

Graphene iron (II,III) oxide solid phase microextraction probe comprises iron (II,III) oxide nanowire arrays and graphene nanocrystals sequentially deposited on the surface of metal wire.

ZHANG R

Preparing large-area graphene comprises e.g. providing first shear force generated by liquid flow to graphite dispersion liquid, and acting shear force on dispersion liquid graphite flakes to disperse graphite flakes to graphene large area.

ZHANG R

Device used for high-efficiency manufacturing of large-area graphene, comprises nozzle including feed port, discharge port, and tube body connected between feed port and discharge port, and pressurizer connected to feed port.

ZHANG R

Nano-nickel ferrite-supported graphene-based absorbing material comprises phosphorus-doped graphene oxide, nanoporous nickel ferrite (NiFe2O4), and paraffin wax.

ZHANG R

Continuous and stable production of large-area graphene involves providing reaction furnace containing molten solvent, heating solvent to form high-temperature region and low-temperature region, and adding carbon source and alkali metal.

ZHANG R