国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 TAN W（2）
公开年
申请年 2021（2）
专利权人

Preparation method of defective graphene, involves lowering temperature after calcination is completed, replacing inert atmosphere with air atmosphere, and lowering temperature, after heat preservation to obtain defective graphene.

TAN W, JING M, LIU L, MA F

Electrically heated high-efficiency respirator for antiviral and medical protection, has heating layer with electrical heating element generating sustained temperature high enough to deactivate pathogen, and power source providing electricity.

TAN W