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Transition-Metal Oxides/Carbides@Carbon Nanotube Composites as Multifunctional Electrocatalysts for Challenging Oxidations and Reductions
Xing, Xiaolin1; Liu, Rongji1,2; Cao, Kecheng3; Kaiser, Ute3; Streb, Carsten1,4
2019-07-28
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Pages8
AbstractThe rapid development of renewable-energy technologies such as water splitting, rechargeable metal-air batteries, and fuel cells requires highly efficient electrocatalysts capable of the oxygen-reduction reaction (ORR) and the oxygen-evolution reaction (OER). Herein, we report a facile sonication-driven synthesis to deposit the molecular manganese vanadium oxide precursor [Mn4V4O17(OAc)(3)](3-) on multiwalled carbon nanotubes (MWCNTs). Thermal conversion of this composite at 900 degrees C gives nanostructured manganese vanadium oxides/carbides, which are stably linked to the MWCNTs. The resulting composites show excellent electrochemical reactivity for ORR and OER, and significant reactivity enhancements compared with the precursors and a Pt/C reference are reported. Notably, even under harsh acidic conditions, long-term OER activity at low overpotential is reported. In addition, we report exceptional activity of the composites for the industrially important Cl-2 evolution from an aqueous HCl electrolyte. The new composite material shows how molecular deposition routes leading to highly active and stable multifunctional electrocatalysts can be developed. The facile design could in principle be extended to multiple catalyst classes by tuning of the molecular metal oxide precursor employed.
Keywordelectrocatalysis electrochemistry organic-inorganic hybrid composites oxygen evolution polyoxometalates
DOI10.1002/chem.201901400
Language英语
WOS KeywordOXYGEN EVOLUTION REACTION ; WATER OXIDATION ; BIFUNCTIONAL ELECTROCATALYST ; EFFICIENT ELECTROCATALYSTS ; THIN-FILM ; NITROGEN ; CATALYST ; OXIDE ; ELECTRODE ; GRAPHENE
Funding ProjectUlm University ; Deutsche Forschungsgemeinschaft[STR1164/4] ; Deutsche Forschungsgemeinschaft[STR1164/12] ; Deutsche Forschungsgemeinschaft[TRR234] ; Helmholtz-Institute Ulm (HIU) ; National Natural Science Foundation of China[91545125] ; Chinese Academy of Sciences President's International Fellowship Initiative[2018VMA0041] ; China Scholarship Council (CSC) ; Graphene Flagship ; DFG ; Ministry of Science, Research and the Arts (MWK) of Baden-Wuerttemberg ; Alexander-von-Humboldt-Foundation
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationUlm University ; Deutsche Forschungsgemeinschaft ; Helmholtz-Institute Ulm (HIU) ; National Natural Science Foundation of China ; Chinese Academy of Sciences President's International Fellowship Initiative ; China Scholarship Council (CSC) ; Graphene Flagship ; DFG ; Ministry of Science, Research and the Arts (MWK) of Baden-Wuerttemberg ; Alexander-von-Humboldt-Foundation
WOS IDWOS:000481139800001
PublisherWILEY-V C H VERLAG GMBH
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30511
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Rongji; Streb, Carsten
Affiliation1.Ulm Univ, Inst Inorgan Chem 1, D-89081 Ulm, Germany
2.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Ulm Univ, Cent Facil Electron Microscopy Mat Sci, D-89081 Ulm, Germany
4.Helmholtz Inst Ulm Electrochem Energy Convers, D-89081 Ulm, Germany
Recommended Citation
GB/T 7714
Xing, Xiaolin,Liu, Rongji,Cao, Kecheng,et al. Transition-Metal Oxides/Carbides@Carbon Nanotube Composites as Multifunctional Electrocatalysts for Challenging Oxidations and Reductions[J]. CHEMISTRY-A EUROPEAN JOURNAL,2019:8.
APA Xing, Xiaolin,Liu, Rongji,Cao, Kecheng,Kaiser, Ute,&Streb, Carsten.(2019).Transition-Metal Oxides/Carbides@Carbon Nanotube Composites as Multifunctional Electrocatalysts for Challenging Oxidations and Reductions.CHEMISTRY-A EUROPEAN JOURNAL,8.
MLA Xing, Xiaolin,et al."Transition-Metal Oxides/Carbides@Carbon Nanotube Composites as Multifunctional Electrocatalysts for Challenging Oxidations and Reductions".CHEMISTRY-A EUROPEAN JOURNAL (2019):8.
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