国家/地区 中国（2）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/184（4）
发明人
公开年 2020（4）
申请年 2018（2） 
专利权人

Hollow magnetic iron(II,III) oxide nano-doped microspheres is hollow microsphere includes magnetic iron(II,III) oxide nanoparticles and dopants comprising graphene, graphene oxide, nano graphite sheet and single-walled carbon nanotubes.

SHI H, XU Y

Puffing device used for preparing graphene, has lower end of hexagonal prism that is fixedly connected with stirring blade, and furnace portion is provided with horizontally sliding box portion.

YANG J, SONG Z

Preparing rice-wheat straw graphene useful as friction material, comprises e.g. depleting and scorching rice and wheat straw into charcoal powder, graphitizing carbon powder, adding concentrated sulfuric acid, mixing, and reacting.

XIONG W

Graphene foam laminate used as sealing material, comprises layer of graphene foam and comprising pores and pore walls having 3-dimensional network of interconnected graphene planes or graphene sheets, and permeation-resistant polymer layer.

LIN Y, ZHAMU A, JANG B Z