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Intentional construction of high-performance SnO2 catalysts with a 3D porous structure for electrochemical reduction of CO2
Zhang, Xinxin1,2; Chen, Zhipeng1,2; Mou, Kaiwen1,2; Jiao, Mingyang1; Zhang, Xiangping3,4; Liu, Licheng1,4
2019-10-28
Source PublicationNANOSCALE
ISSN2040-3364
Volume11Issue:40Pages:18715-18722
AbstractHerein, SnO2-NC (SnO2-nanocube) and SnO2-NF (SnO2-nanoflake) electro-catalysts featuring a large specific surface area and 3D porous structure were successfully constructed via acid etching and sulfurization-desulphurization methods, respectively. As catalysts for the electrochemical reduction of CO2, the faradaic efficiency (FHCOO-+CO = 82.4%, 91.5%, respectively) and partial current density (j(HCOO-+CO) = 10.7 and 11.5 mA cm(-2), respectively) of SnO2-NCs and SnO2-NFs were enhanced in comparison with SnO2-NPs (SnO2-nanoparticles, FHCOO-+CO = 63.4%, j(HCOO-+CO) = 5.7 mA cm(-2)) at -1.0 V vs. RHE. The enhanced catalytic activity is attributed to their uniform 3D porous structure, high specific surface area and excellent wettability. Additionally, the morphology of SnO2-NCs and SnO2-NFs was largely preserved after electrolyzing for 12 h (after 12 h of electrolysis), indicating the effective buffering effect of the 3D structure in electrolysis. Naturally, the current density and faradaic efficiency of the SnO2-NC and SnO2-NF catalysts remained nearly unchanged after long-term stability measurements, revealing great stability.
DOI10.1039/c9nr06354d
Language英语
WOS KeywordELECTROCATALYTIC REDUCTION ; CARBON-DIOXIDE ; EFFICIENT ELECTROREDUCTION ; ENHANCED ACTIVITY ; FORMATE ; NANOPARTICLES ; STATE ; OXIDE ; CONVERSION ; NANOSHEETS
Funding ProjectNational Natural Science Foundation of China[21676288] ; Dalian National Laboratory For Clean Energy (DNL) Cooperation Fund ; CAS[DNL 180406] ; QIBEBT[QIBEBT ZZBS 201805]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationNational Natural Science Foundation of China ; Dalian National Laboratory For Clean Energy (DNL) Cooperation Fund ; CAS ; QIBEBT
WOS IDWOS:000490991700017
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31267
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Licheng
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xinxin,Chen, Zhipeng,Mou, Kaiwen,et al. Intentional construction of high-performance SnO2 catalysts with a 3D porous structure for electrochemical reduction of CO2[J]. NANOSCALE,2019,11(40):18715-18722.
APA Zhang, Xinxin,Chen, Zhipeng,Mou, Kaiwen,Jiao, Mingyang,Zhang, Xiangping,&Liu, Licheng.(2019).Intentional construction of high-performance SnO2 catalysts with a 3D porous structure for electrochemical reduction of CO2.NANOSCALE,11(40),18715-18722.
MLA Zhang, Xinxin,et al."Intentional construction of high-performance SnO2 catalysts with a 3D porous structure for electrochemical reduction of CO2".NANOSCALE 11.40(2019):18715-18722.
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