国家/地区 中国（3）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 DANG Y（3）
公开年 2017（2）
申请年 2016（3）
专利权人 DONG L（2）

Preparing powdery graphene film by air circulation, involves injecting graphene powder debris into circulating air duct and pressurizing by air stream, uniformly diffusing airflow to annular belt support and sealing graphene adhesion area.

DANG Y, DONG L, DONG T, ZHANG F, ZHANG H

Vacuum pressurizing method for preparing powdery graphene film, involves fixedly installing electromagnetic oscillator on vacuum chamber platform, and connecting spring with locating baffle with limited amplitude.

DANG Y, DONG L, DONG T, ZHANG F, ZHANG H

Lithium ion battery used in portable electronic devices and electric vehicles, comprises lithium titanate-graphene composite negative electrode material, where cathode material is obtained by using composite graphene and metal nanoparticles.

CHENG F, WANG J, ZHANG Y, WEN X, ZHU J, DANG Y, ZHANG W