国家/地区 中国（3）
IPC部 C（3）
IPC大类 C25（3）
IPC小类 C25B（3）
IPC C25B003/03（3）
发明人
公开年 2022（3）
申请年 2021（2） 
专利权人

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

Catalyst used for preparing ethylene by carbon dioxide reduction, is composite of nano-carbon and nano-cuprous oxide, where nano carbon is rich in surface functional group, and nanometre cuprous oxide exposing crystal face.

ZHANG X, ZHANG Q, CHENG H, LIU Y, WANG P, ZHENG Z, WANG Z, GAO Y, HUANG B

Complex copper-based composite material comprises intercalation compound comprising melon ring and reduced graphene oxide, and copper oxide-copper oxide heterojunction.

CAO M, WANG H, CAO R