国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J032/00（2）
发明人 LIU H（2）
公开年 2021（2）
申请年 2021（2） 
专利权人

Preparing 3D graphene oxide composite photocatalytic aerogel based on solid phase reduction comprises e.g. preparing graphene oxide solution by improved Hummers method, adding graphene oxide solution into water, ultrasonically dispersing, freezing, drying, and carrying out chemical reduction.

LI D, TIAN Y, WANG H, AN R, JIN J, LIU H

Ceramic-based catalyst carrier ink direct writing three-dimensional printing device comprises ink direct writing three-dimensional printer, air compressor, primary pressure reducing valve, secondary pressure reducing valve and controller.

TAO K, WU Q, XUAN L, YU S, WANG Y, LIU H, MEI D