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Recycling electroplating sludge to produce sustainable electrocatalysts for the efficient conversion of carbon dioxide in a microbial electrolysis cell
Yuan, Haoran1,3,4; Deng, Lifang1,3,4; Cai, Xixi2; Zheng, Tao1,3,4,5; Zhou, Shungui2; Chen, Yong1; Yuan, Yong2
2016-12-20
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume222Pages:177-184
AbstractElectrochemical reduction is one of the most promising methodstor converting carbon dioxide (CO2) into valuable chemicals, but its disadvantages include its low efficiency and need for a high electrode overpotential. In this study, a novel catalyst derived from thermally treated electroplating sludge (TES) was investigated for use in the electrochemical reduction of CO2 by means of full utilization of the chemical features of electroplating sludge. This new catalyst can reduce CO2 with a peak potential of 0.3 V (versus SCE), as measured using a linear sweep voltammogram, suggesting its' good electrocatalytic activity. Furthermore, this catalyst is feasible for use in converting CO2 in a microbial electrolysis cell; the main products were methane, ethylene, carbon monoxide and acetate with faraday efficiencies of 37.3%, 25.9%, 7.8% and 6.8% at an external potential of 0.6 V, respectively. The catalytic performance of the TES-based catalyst is much better than that of catalysts derived from municipal and dyeing sewage sludge. Electrokinetic data and electrochemical in situ infrared spectra reveal that the notable reactivity for CO2 reduction may arise from a competition between the slow combination of pairs of CO2- ions and the fast kinetic activation toward protonation on the metal or metal oxide surface of the TES. This study presents a new approach to recycling solid waste to produce an inexpensive catalyst that performs CO2 conversion well. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordCarbon Dioxide Electroplating Sludge Microbial Electrolysis Cell Electrocatalysts Faraday Efficiencies
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2016.10.180
WOS Subject ExtendedElectrochemistry
WOS KeywordFE-BASED CATALYSTS ; ELECTROCHEMICAL REDUCTION ; SIMULTANEOUS REMOVAL ; SEWAGE-SLUDGE ; CO2 REDUCTION ; IN-SITU ; ACETATE ; OXIDE ; COPPER ; NANOPARTICLES
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51406207 ; Biomass Energy and Materials Key Laboratory Open Fund of Jiangsu Province(JSBEM201404) ; Guangdong Natural Science Funds for Distinguished Young Scholar(2014A030306033) ; Guangzhou City Science-Technology Project(2014Y2-00522) ; Guangdong Science-Technology Project(2015A020215017) ; Youth Innovation Promotion Association(2014320) ; 51678162)
WOS SubjectElectrochemistry
WOS IDWOS:000392566200021
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14025
Collection中国科学院广州能源研究所
Corresponding AuthorDeng, Lifang; Yuan, Yong
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Inst Ecoenvironm & Soil Sci, Guangdong Key Lab Agr Environm Pollut Integrated, Guangzhou 510650, Guangdong, Peoples R China
3.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
4.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
5.Jiangsu Univ Sci & Technol, Green Biomfg Res Inst, Zhenjiang 212003, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yuan, Haoran,Deng, Lifang,Cai, Xixi,et al. Recycling electroplating sludge to produce sustainable electrocatalysts for the efficient conversion of carbon dioxide in a microbial electrolysis cell[J]. ELECTROCHIMICA ACTA,2016,222:177-184.
APA Yuan, Haoran.,Deng, Lifang.,Cai, Xixi.,Zheng, Tao.,Zhou, Shungui.,...&Yuan, Yong.(2016).Recycling electroplating sludge to produce sustainable electrocatalysts for the efficient conversion of carbon dioxide in a microbial electrolysis cell.ELECTROCHIMICA ACTA,222,177-184.
MLA Yuan, Haoran,et al."Recycling electroplating sludge to produce sustainable electrocatalysts for the efficient conversion of carbon dioxide in a microbial electrolysis cell".ELECTROCHIMICA ACTA 222(2016):177-184.
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