国家/地区 中国（5）
IPC部 C（3） B（2） H（2）
IPC大类 H01（2）
IPC小类
IPC
发明人 HE K（5）
公开年 2020（5）
申请年 2019（2）  2020（2） 
专利权人 UNIV CHINA J.（2）

Preparing graphene-ruthenium oxide nanocomposite material used in electrochemical field, involves reacting citric acid and histidine to obtain graphene quantum dots, mixing aqueous solutions of graphene quantum dots and graphene oxide.

YANG Y, LI Z, HE K, WANG Q

Preparing graphene using waste lithium-ion power battery, comprises e.g. charging waste lithium-ion power battery and converting graphite of cathode into LiC6 and LiC12; and crushing cathode of waste lithium ion battery.

ZHANG F, HE K, ZHANG Z

Connecting graphene alloy grid and metal layer comprises e.g. fixing grid of graphene alloy, fixing graphene alloy grid on placing rack, performing first-stage stirring, spraying stirred plating solution and electroplating.

HE X, LI S, LI Z, HE K, MA J

Graphene quantum dot sensor based water body heavy metal ion detection system, has connecting seat connected to storage tank and rotating head, and controller fixed with upper end of detector and right side part of operation table.

CHEN L, YANG R, JIN S, XU S, SHEN Y, ZHANG S, HUANG S, FANG Q, LUO Y, HE K, ZHANG Z

Device for treating wastewater based on graphene oxide quantum dot modified polysulfone ultrafiltration membrane, has water collection tank whose top end is fixed with water collection tank liquid inlet and silicone water pipe.

CHEN L, YANG R, JIN S, XU S, SHEN Y, ZHANG S, HUANG S, FANG Q, LUO Y, HE K, ZHANG Z