3D porous graphene with ultrahigh surface area for microscale capacitive deionization

被引：151
|
作者：
Li, Zhuo [1 ]
Song, Bo [1 ,2 ]
Wu, Zhenkun [1 ]
Lin, Ziyin [1 ,2 ]
Yao, Yagang [1 ]
Moon, Kyoung-Sik [1 ]
Wong, C. P. [1 ,3 ]
机构：
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
[3] Chinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
来源：
NANO ENERGY | 2015年 / 11卷
关键词：
Capacitive deionization; Graphene; Thermal management of microelectronics; Water cooling system; Energy efficient desalination; AQUEOUS-SOLUTIONS; CARBON NANOTUBES; NACL SOLUTIONS; ELECTROSORPTION; DESALINATION; ACTIVATION; ELECTRODES; REMOVAL; OXIDE; HEAT;
D O I：
10.1016/j.nanoen.2014.11.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Capacitive deionization (CDI) is an emerging technology to supply deionized water as liquid coolant for the thermal management in microelectronics. Graphene has been demonstrated as a promising candidate for CDI electrode. However, the performance of current graphene-based CD! is far below expectation due to the limited specific surface area (SSA) and electrical conductivity of the chemically reduced graphene. Here we presented a KOH-activated graphene that has ultrahigh SSA of 3513 m(2)/g and electrical conductivity of 104 S/m. With improved materials properties, an ultrahigh electrosorption capacity of 11.86 mg/g and a significant adsorption rate of 20 min are achieved. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：711 / 718
页数：8
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