Calcined MgAl-Layered Double Hydroxide/Graphene Hybrids for Capacitive Deionization

被引：71

作者：

Ren, Qidi ^{[1
]}

Wang, Gang ^{[1
]}

Wu, Tingting ^{[1
]}

He, Xin ^{[2
]}

Wang, Jianren ^{[1
]}

Yang, Juan ^{[1
]}

Yu, Chang ^{[1
]}

Qiu, Jieshan ^{[1
]}

机构：

[1] Dalian Univ Technol, PSU DUT Joint Ctr Energy Res, Sch Chem Engn, State Key Lab Fine Chem,Liaoning Key Lab Energy M, Dalian 116024, Peoples R China

[2] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn MOE, Dalian 116024, Peoples R China

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2018年 / 57卷 / 18期

基金：

美国国家科学基金会;

关键词：

HYDROTALCITE-LIKE COMPOUNDS; DOUBLE HYDROXIDES; WATER-PURIFICATION; ELECTRODE MATERIAL; CARBON ELECTRODES; AQUEOUS-SOLUTION; UREA HYDROLYSIS; ZERO CHARGE; GRAPHENE; DESALINATION;

D O I：

10.1021/acs.iecr.7b04983

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Layered double hydroxides (LDHs) are a class of anionic clay materials. When calcined at a certain temperature range, LDHs decompose into corresponding mixed metal oxides (Ox), which are regarded as promising electrode materials for capacitive deionization (CDI). We have developed a simple yet efficient strategy for in situ assembly of the MgAl-Ox nanosheets on graphene (G). The as-obtained MgAl-Ox/G nanohybrids with numerous channels for the access of anion exhibited high surface area and high electrical conductivity. When used as the anode of CDI cell, MgAl-Ox/ G nanohybrids exhibited excellent cycling stability and high electrosorption capacity due to its the memory effect and oxidation resistant property.

引用

页码：6417 / 6425

页数：9

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