Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Sivanantham, Arumugam | - |
dc.contributor.author | Ganesan, Pandian | - |
dc.contributor.author | Shanmugam, Sangaraju | - |
dc.date.available | 2017-07-05T08:36:55Z | - |
dc.date.created | 2017-04-10 | - |
dc.date.issued | 2016-07 | - |
dc.identifier.issn | 1616-301X | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/2239 | - |
dc.description.abstract | A recent approach for solar-to-hydrogen generation has been water electrolysis using efficient, stable, and inexpensive bifunctional electrocatalysts within strong electrolytes. Herein, the direct growth of 1D NiCo2S4 nanowire (NW) arrays on a 3D Ni foam (NF) is described. This NiCo2S4 NW/NF array functions as an efficient bifunctional electrocatalyst for overall water splitting with excellent activity and stability. The 3D-Ni foam facilitates the directional growth, exposing more active sites of the catalyst for electrochemical reactions at the electrode–electrolyte interface. The binder-free, self-made NiCo2S4 NW/NF electrode delivers a hydrogen production current density of 10 mA cm–2 at an overpotential of 260 mV for the oxygen evolution reaction and at 210 mV (versus a reversible hydrogen electrode) for the hydrogen evolution reaction in 1 m KOH. This highly active and stable bifunctional electrocatalyst enables the preparation of an alkaline water electrolyzer that could deliver 10 mA cm–2 under a cell voltage of 1.63 V. Because the nonprecious-metal NiCo2S4 NW/NF foam-based electrodes afford the vigorous and continuous evolution of both H2 and O2 at 1.68 V, generated using a solar panel, they appear to be promising water splitting devices for large-scale solar-to-hydrogen generation. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | - |
dc.language | English | - |
dc.publisher | Wiley-VCH Verlag | - |
dc.title | Hierarchical NiCo2S4 Nanowire Arrays Supported on Ni Foam: An Efficient and Durable Bifunctional Electrocatalyst for Oxygen and Hydrogen Evolution Reactions | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/adfm.201600566 | - |
dc.identifier.scopusid | 2-s2.0-84963815696 | - |
dc.identifier.bibliographicCitation | Advanced Functional Materials, v.26, no.26, pp.4661 - 4672 | - |
dc.description.isOpenAccess | FALSE | - |
dc.subject.keywordPlus | Solar Power Generation | - |
dc.subject.keywordPlus | STABILITY | - |
dc.subject.keywordPlus | WATER OXIDATION | - |
dc.subject.keywordPlus | Alkaline Water | - |
dc.subject.keywordPlus | Alkaline Water Electrolyzer | - |
dc.subject.keywordPlus | CARBON NANOTUBES | - |
dc.subject.keywordPlus | Catalyst Activity | - |
dc.subject.keywordPlus | CATALYSTS | - |
dc.subject.keywordPlus | Electrocatalysts | - |
dc.subject.keywordPlus | Electrochemical Electrodes | - |
dc.subject.keywordPlus | Electrodes | - |
dc.subject.keywordPlus | Electrolytes | - |
dc.subject.keywordPlus | Electrolytic Cells | - |
dc.subject.keywordPlus | HIGH-PERFORMANCE SUPERCAPACITORS | - |
dc.subject.keywordPlus | HIGHLY EFFICIENT | - |
dc.subject.keywordPlus | Hydrogen | - |
dc.subject.keywordPlus | Hydrogen Evolution | - |
dc.subject.keywordPlus | Hydrogen Production | - |
dc.subject.keywordPlus | IN-SITU GROWTH | - |
dc.subject.keywordPlus | Nanowires | - |
dc.subject.keywordPlus | Nickel | - |
dc.subject.keywordPlus | NICKEL FOAM | - |
dc.subject.keywordPlus | NiCo2S4 | - |
dc.subject.keywordPlus | OXIDE | - |
dc.subject.keywordPlus | Oxygen | - |
dc.subject.keywordPlus | Oxygen Evolution | - |
dc.subject.keywordPlus | Solar-to-Hydrogen | - |
dc.subject.keywordPlus | Solar-to-Hydrogen Generation | - |
dc.citation.endPage | 4672 | - |
dc.citation.number | 26 | - |
dc.citation.startPage | 4661 | - |
dc.citation.title | Advanced Functional Materials | - |
dc.citation.volume | 26 | - |
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