国家/地区 中国（6）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC H01M004/583（7）
发明人
公开年 2023（7）
申请年 2023（7）
专利权人

Hybrid graphene composite particles for lithium-ion battery, comprise graphene composite comprising mixed structure of primary microparticles bound to surface or inside of multilayer graphene, and secondary microparticles surrounded by graphene composite.

SHIM J S

Preparing mixed nanometer reduced graphene oxide-bismuth-carbon nanotube sodium ion battery cathode complex material, comprises e.g. dissolving bismuth(III) nitrate in ethylene glycol, and 3-aminopropylmethoxysilane, adding carboxy-containing nanotubes, dispersing graphene oxide, and stirring.

LI L, AN B, WANG K, XU G, ZHANG Z, ZHANG T, YAO Q, LI J, ZHOU W

Preparing porous silicon/aluminum oxide/amorphous carbon composite material by e.g. paving porous silicon containing aluminum on bottom of porcelain boat, placing in tubular furnace, heating, introducing carbon dioxide, converting aluminum to aluminum oxide, introducing protective gas and cooling.

WANG J, ZHAO X, LI X, HAN F

Composite graphite material useful in lithium-ion battery, comprises porous graphite material, asphalt-based carbon material and nano-carbon material, where asphalt-based carbon material and nano-carbon material are filled in pores of porous graphite material.

LI H, LIU D, PANG W, DING L, GU H, PAN J, JIANG C

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

Method for preparing high-voltage sodium-ion battery anode carbon composite cobalt-based mixed with sodium phosphate by e.g. mixing sodium, divalent cobalt, and phosphorus source compounds, ball milling, and sintering sodium cobalt pyrophosphate precursor in stages under an inert atmosphere.

ZENG J, CAO Y, PENG Z, HU G, DU K

Modifying hard carbon material using ion irradiation used in negative electrode material of sodium ion battery, by heating hard carbon precursor to make material carbonize and crack, cooling, grinding, sieving, preparing hard carbon material pole piece, and performing ion irradiation modification.

DENG Q, YANG C