国家/地区 中国（4）
IPC部 B（4）
IPC大类 C25（4） B01（2） B82（2）
IPC小类 C25B（4）
IPC C25B011/091（4）
发明人 WANG J（4）
公开年 2022（4）
申请年 2021（3） 
专利权人 SHANGHAI NAT.（2）

Catalyst used for preparing beta-carotene from vitamin A triphenylphosphine salt by electrochemistry, is a graphene-supported metal ferrite and a metal oxide catalyst.

ZHANG T, SONG J, SHEN H, JIE J, WANG J, ZHANG Y

Preparing biomass based single-atom iron with nitrogen-doped graphene/nanocarbon fiber axial composite material, comprises e.g. adsorbing iron-containing compound on biomass based surface, and preparing iron salt-bacterial cellulose.

XIAO L, WANG J, CUI D

Preparing metal-nitrogen molecule/carbon nano fiber composite material used as catalyst to catalyze carbon dioxide electric reduction reaction, by using precursor containing metal, nitrogen element, macromolecule polymer to prepare spinning solution for electrostatic spinning, and pre-oxidizing.

XIAO J, ZHENG F, XU X, WANG J

Method for preparing metal cobalt nanoparticle nitrogen-doped graphene and carbon nano-fiber composite material, involves immersing cleaned bacterial cellulose film in mixed solution of urea and cobalt salts respectively.

XIAO L, SUN J, WANG J, CUI D