国家/地区 中国（7）
IPC部 C（7） H（7）
IPC大类 C01（7） H01（7）
IPC小类 C01B（7）
IPC C01B032/05（7）
发明人 CAO Y（2） DU K（2） HU G（2）
LAI Y（2） LI J（2） PENG Z（2）
ZHANG K（2） ZHAO W（2）
公开年 2023（3） 2021（2） 2022（2）
申请年 2020（2）  2022（2）  2023（2） 
专利权人 UNIV CENT SOUTH（7）

Preparing carbon-wrapped pyrophosphate polyanion composite material for sodium ion battery, comprises dispersing sodium source, iron source, phosphorus source, doping element source, carbon source and reducing agent in solvent, high-energy ball milling, drying, tableting and sintering.

ZHANG Q, TANG Y, SUN D, ZHU L, WANG H

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

Preparing manganese(II) sulfide nano-dot material comprises e.g. dispersing zinc salt, aluminum salt and graphene oxide in solvent, dissolving chelating agent, manganese salt and sulfur-containing additive in solvent, and converting mixed solution to polytetrafluoroethylene to hydrothermally react.

LI G, LIN H, FAN X, LI S

Lithium-rich transition metal oxide-reduced graphene oxide-carbon composite lithium supplement additive useful for preparing lithium-ion batteries, preferably preparing anodes for lithium-ion batteries, comprises core-shell structure with double carbon coating.

LI J, ZHANG K, HONG B, WANG S, ZHU B, LAI Y, ZHANG Z

Preparation of sodium-vanadium fluorophosphate used for preparing positive electrode material for sodium-ion battery, involves carrying out pre-reaction with e.g. vanadium source and phosphorus source in water, adding sodium source and fluorine source, dispersing, precipitating, washing, and drying.

ZHANG X, ZHAO W, PENG Z, DU K, HU G, CAO Y

Natural sulfide ore base carbon composite material used as cathode active material of sodium ion battery is prepared by natural sulfide ore and carbon source, where natural sulfide ore is transition metal sulfide ore mineral.

HU Y, SUN W, ZHANG L, ZHAO W, GE P

Preparing anode active material of sodium ion battery hybridized with nitrogen and sulfur dual atoms, comprises vulcanizing sulfur source in advance and grafting polymer, and then performing pyrolysis treatment.

FANG J, WANG N, QIN F, ZHANG K, LAI Y, LI J