国家/地区 中国（2）
IPC部 B（2）
IPC大类 B33（2）
IPC小类 B33Y（2）
IPC B33Y070/10（2）
发明人
公开年 2022（2）
申请年 2021（2）
专利权人

Preparing composite material useful in three-dimensional structural mechanics and electrical related fields, comprises e.g. coating polymer on surface of two-dimensional material film away from substrate, transversely cutting and rolling composite film, and three dimensional printing composite wire.

XU S, WANG B

Preparing nitrogen-doped graphene by three-dimensional printing recyclable metal salts comprises designing double helix structure template by computer software, carrying out reduction reaction, removing metal template with dilute acid, and collecting metal salt powder for subsequent recycling.

GUAN C, LI C, DU J, FU G, XU Q