国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/186（3）
发明人 LIU Z（4） PENG H（2）
公开年 2016（2） 2017（2） 2018（2）
申请年 2016（6）
专利权人 UNIV PEKING（6）

Preparing graphene involves putting foam copper in copper substrate, introducing carbon source gas and hydrogen to perform chemical vapor deposition, and depositing surface that contacts copper substrate with foam copper.

LIU Z, PENG H, LIN L, ZHANG J

Preparation of large size graphene glass involves cleaning large size quartz glass, putting in high temperature tubular furnace, pumping reaction chamber, introducing argon gas and hydrogen gas, and reducing temperature to room temperature.

LIU Z, CHEN X, ZHANG Y

Making cubic-morphology graphene powder for e.g. sewage treatment by heating sodium chloride substrate, introducing carbon source, carrying out chemical vapor deposition reaction and separating graphene from graphene-sodium chloride powder.

LIU Z, SHI L

Preparation of three-dimensional graphene foam used in preparing energy storage material, solar energy conversion material or heat storage material comprises taking foam material as substrate, and chemically vapor depositing plasma source.

LIU Z, PENG H, REN H, TANG M

Preparing sulfonated graphene for detecting heavy metal ions involves dispersing oxidized graphite in chloroform solution to obtain oxidized graphene dispersion liquid and adding chlorosulfonic acid or concentrated sulfuric acid.

WANG Y, CAO P, ZHAI M, CHEN B, PENG J, LI J

Preparation of wrinkle-free graphene involves selecting high-purity copper as substrate, using hydrochloric acid or nitric acid solution to remove surface impurities and placing cleaned copper in chemical vapor deposition furnace.

FU Y, GONG X, PENG P, REN L, WANG Z, GU Y, TIAN Z