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1D/1D Hierarchical Nickel Sulfide/Phosphide Nanostructures for Electrocatalytic Water Oxidation
Fu, HQ; Zhang, L; Wang, CW; Zheng, LR; Liu, PF; Yang, HG; Zheng LR(郑黎荣)
2018
Source PublicationACS ENERGY LETTERS
ISSN2380-8195
Volume3Issue:9Pages:2021-2029
SubtypeArticle
AbstractThe sluggish kinetics of the oxygen evolution reaction (OER) limits the efficiencies of solar-powered electrical-conversion applications, such as water splitting and carbon dioxide reduction. Herein, we rationally designed a metallic nanostructured nickel sulfide/phosphide hybrid (NiSxPy) as an efficient precatalyst for OER, with one-dimensional (1D) nanowires grown on 1D nanorods. The resulting metallic hybrid NiSxPy catalyst can accelerate the electron transfer process and expose abundant in situ-generated NiOOH species during OER (NiSxPy-O). Therefore, NiSxPy-O exhibits a low overpotential of 192 mV (with 100% iR compensation; this value should be 200 mV without compensation) to achieve an O-2 partial current density (j(O2)) of 10 mA cm(-2) and a robust stability over 135 h without obvious degradation. Moreover, a j(O2) of 10 mA cm(-2) at an overpotential of 315 mV (with 100% iR compensation; this value should be 365 mV without compensation) is attained in near-neutral conditions. These results may pave a new way to design metallic precatalysts with 1D/1D hierarchical nanostructures to boost the OER.
DOI10.1021/acsenergylett.8b00982
WOS KeywordOXYGEN EVOLUTION REACTION ; HIGHLY EFFICIENT ; BIFUNCTIONAL ELECTROCATALYST ; EVOLVING CATALYSTS ; NI FOAM ; REDUCTION ; ARRAYS ; GRAPHENE ; SPHERES ; ANODE
Indexed BySCI ; EI
Language英语
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000445052900001
EI Accession Number20183805837575
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286335
Collection中国科学院高能物理研究所_中国散裂中子源
多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Fu, HQ,Zhang, L,Wang, CW,et al. 1D/1D Hierarchical Nickel Sulfide/Phosphide Nanostructures for Electrocatalytic Water Oxidation[J]. ACS ENERGY LETTERS,2018,3(9):2021-2029.
APA Fu, HQ.,Zhang, L.,Wang, CW.,Zheng, LR.,Liu, PF.,...&郑黎荣.(2018).1D/1D Hierarchical Nickel Sulfide/Phosphide Nanostructures for Electrocatalytic Water Oxidation.ACS ENERGY LETTERS,3(9),2021-2029.
MLA Fu, HQ,et al."1D/1D Hierarchical Nickel Sulfide/Phosphide Nanostructures for Electrocatalytic Water Oxidation".ACS ENERGY LETTERS 3.9(2018):2021-2029.
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