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Construction of hierarchical Ti3C2Tx@TiO2/MoS2 covered manganese oxides for advanced oxygen evolution electrocatalysis
Liu, Xiang1,2,3; Wang, Dongdong1,2,3; Du, Yingchao1,2,3; Zhang, Xiaomeng1,3; Ye, Shufeng1,3
2021-11-01
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Volume56Issue:32Pages:18174-18187
AbstractNano-level manganese oxide particles deposited on the surface of nickel foam (NF/MnOx) have a great potential in the field of electrochemical water splitting. In addition, these hierarchical Ti3C2Tx@TiO2/MoS2 powders consist of non-cubic TiO2 derived from defect sites of Ti3C2Tx and MoS2 sheets preventing inner Ti3C2Tx@TiO2 from corrosion of electrolyte covered these layered Ti3C2Tx particles accompanied with heterojunction interface and plentiful exposed active sites. In this work, the electrochemical performance of multicomponent mixed manganese oxides prepared by rapid electrodeposition is restricted by the poor electrical conductivity, but the addition of Ti3C2Tx@TiO2/MoS2 can improve the surface area to electrolyte, enhance the Faradaic reaction and reduce ion diffusion length. Thus, the NF/MnOx-Ti3C2Tx@TiO2/MoS2 sample can incorporate these electrochemical advantages of NF/MnOx and Ti3C2Tx@TiO2/MoS2. By characterization of as-prepared samples, it finds that these samples are combined amorphous phases with crystalline, so they can commonly improve the electrochemical performance by synergistic reaction. As the result of electrochemical test shown, the NF/MnOx-Ti3C2Tx@TiO2/MoS2 sample performs excellent oxygen evolution performance and possesses a low overpotential of 270 mV with the current density of 10 mA/cm(2). The stability of the NF/MnOx-Ti3C2Tx@TiO2/MoS2 sample is evaluated under 10 mA/cm(2) for 42 h and the overpotential maintains unchanged during the whole test. Thus, the NF/MnOx-Ti3C2Tx@TiO2/MoS2 sample can serve as excellent catalysts for oxygen evolution reaction.
DOI10.1007/s10853-021-05842-0
Language英语
WOS KeywordEXPOSED 001 FACETS ; EFFICIENT ELECTROCATALYST ; 2-DIMENSIONAL MXENES ; CARBON NANOTUBES ; FACILE SYNTHESIS ; HYDROGEN ; NANOSHEETS ; TIO2 ; NANOCOMPOSITES ; FOAM
Funding Project"Strategic Priority Research Program" of the Chinese Academy of Sciences[XDA09040102] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019A05]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding Organization"Strategic Priority Research Program" of the Chinese Academy of Sciences ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences
WOS IDWOS:000698098000001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50241
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Xiaomeng; Ye, Shufeng
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiang,Wang, Dongdong,Du, Yingchao,et al. Construction of hierarchical Ti3C2Tx@TiO2/MoS2 covered manganese oxides for advanced oxygen evolution electrocatalysis[J]. JOURNAL OF MATERIALS SCIENCE,2021,56(32):18174-18187.
APA Liu, Xiang,Wang, Dongdong,Du, Yingchao,Zhang, Xiaomeng,&Ye, Shufeng.(2021).Construction of hierarchical Ti3C2Tx@TiO2/MoS2 covered manganese oxides for advanced oxygen evolution electrocatalysis.JOURNAL OF MATERIALS SCIENCE,56(32),18174-18187.
MLA Liu, Xiang,et al."Construction of hierarchical Ti3C2Tx@TiO2/MoS2 covered manganese oxides for advanced oxygen evolution electrocatalysis".JOURNAL OF MATERIALS SCIENCE 56.32(2021):18174-18187.
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