Electrocatalytic desalination with CO2reduction and O2evolution
Shen, Kaixiang1,2; Wei, Qiang1,2; Wang, Xin1,2; Ru, Qiang1; Hou, Xianhua1; Wang, Guannan3; Hui, Kwan San4; Shen, Jiadong5; Hui, Kwun Nam6; Chen, Fuming1,2
Source PublicationNanoscale
AbstractMultifunctional electrocatalytic desalination is a promising method to increase the production of additional valuable chemicals during the desalination process. In this work, a multifunctional desalination device was demonstrated to effectively desalinate brackish water (15 000 ppm) to 9 ppm while generating formate from captured CO2 at the Bi nanoparticle cathode and releasing oxygen at the Ir/C anode. The salt feed channel is sandwiched between two electrode chambers and separated by ion-exchange membranes. The electrocatalytic process accelerates the transportation of sodium ions and chloride ions in the brine to the cathode and anode chamber, respectively. The fastest salt removal rate to date was obtained, reaching up to 228.41 µg cm-2 min-1 with a removal efficiency of 99.94%. The influences of applied potential and the concentrations of salt feed and electrolyte were investigated in detail. The current research provides a new route towards an electrochemical desalination system.
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Scopus ID2-s2.0-85111151754
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Eng. Technol. Res. Center of Efficient Green Energy and Environment Protection Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou, 510006, China
2.School of Electronic and Information Engineering, South China Normal University, Foshan, 528225, China
3.College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University, Jining, 272067, China
4.Engineering, Faculty of Science, University of East Anglia, Norwich, United Kingdom
5.School of Materials Science, South China University of Technology, Guangzhou, 510641, China
6.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, Macao
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GB/T 7714
Shen, Kaixiang,Wei, Qiang,Wang, Xin,et al. Electrocatalytic desalination with CO2reduction and O2evolution[J]. Nanoscale,2021,13(28):12157-12163.
APA Shen, Kaixiang,Wei, Qiang,Wang, Xin,Ru, Qiang,Hou, Xianhua,Wang, Guannan,Hui, Kwan San,Shen, Jiadong,Hui, Kwun Nam,&Chen, Fuming.(2021).Electrocatalytic desalination with CO2reduction and O2evolution.Nanoscale,13(28),12157-12163.
MLA Shen, Kaixiang,et al."Electrocatalytic desalination with CO2reduction and O2evolution".Nanoscale 13.28(2021):12157-12163.
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