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

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