Porous nickel telluride nanostructures as bifunctional electrocatalyst towards hydrogen and oxygen evolution reaction

Bhat, Karthik S.; Barshilia, Harish C.; Nagaraja, H.S.

doi:10.1016/j.ijhydene.2017.08.098

Cited by 100 publications

(48 citation statements)

References 88 publications

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“…In this direction, Bhat et al recently used nickel telluride for HER study which depicted an overpotential of 679 mV and a Tafel slope of 151 mV/dec À 1 for HER. [69] Later on, Wang and Lu et al separately used welldefined CoTe 2 nano-structures and obtained comparatively low overpotential, 230 mV at 10 mA cm À 2 , for electrochemical HER study. [70] In a very recent report, Kundu et al have demonstrated that Cu 2À x Te nanochains and aggregates, prepared via hydrothermal and wet method, respectively, could be utilized as promising cathode material for HER study.…”

Section: Copper Telluridementioning

confidence: 99%

Recent Progress on Copper‐Based Electrode Materials for Overall Water‐Splitting

2021

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Exponential increase in fossil fuel consumption demands an immediate alternative for a sustainable development. Furthermore, fossil fuel combustion releases a large quantity of CO 2 every day. In the quest for an alternative, although hydrogen is found to be a potent fuel with zero carbon waste, bulk-scale hydrogen production via steam reforming or partial oxidation of hydrocarbons produces tons of CO and CO 2 as waste. Perhaps, hydrogen production by means of electrocatalytic water splitting remains a viable and less energy-intensive approach. However, the potential bottlenecks of the water splitting are the large thermodynamic barrier and sluggish kinetics of the oxygen evolution reaction (OER) associated with the hydrogen evolution reaction (HER), a comparatively straight-forward reaction. Efforts over the last few decades have made it possible to design very reactive noble-metal-based catalysts, using Pt, IrO 2 , and RuO 2 , which dramatically diminish the working potential and enhance the rate of water oxidation. Nonetheless, the scarcity of these rare-earth metals precludes their physical implication and leads to the design of active transition-metal catalysts like CoO x and FeNi(O)OH as key alternatives. However, copper, a highly conductive and one of the earth's most abundant metals, has not much been explored for electrode materials. Lately, copper-based materials have been employed as successful catalysts for not only the OER and HER (individual half-cell reactions), but also for overall water splitting (OWS) through the design of bifunctional copper catalysts. This review summarizes the recent developments of copper-based electrode materials for electrocatalytic water splitting, with emphasis on OER, HER, and OWS studies. Moreover, Cu materials are categorized by means of counter anions present and based on their catalytic activity (mono-and/ or bi-functional behavior). Future scope and challenges to develop active Cu-based materials, as non-noble and earth abundant catalysts for sustainable energy studies, are highlighted.

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Section: Copper Telluridementioning

confidence: 99%

Recent Progress on Copper‐Based Electrode Materials for Overall Water‐Splitting

2021

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“…As such, it is believed that tellurides possess a great degree of metallic characteristics and thus excellent OER performance. Recently, Nagaraja and co‐workers reported porous nickel telluride powder for water oxidation electrocatalysis, which showed limited catalytic performance with 10 mA cm −2 at overpotential of 679 mV . Compared with powder catalysts, catalysts with nanoarray structure have evident advantages of increasing electrode stability and exposing more active site ,,…”

Section: Introductionmentioning

confidence: 99%

Nickel Ditelluride Nanosheet Arrays: A Highly Efficient Electrocatalyst for the Oxygen Evolution Reaction

Wang

Zhang

2018

ChemElectroChem

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Developing efficient electrocatalysts for water oxidation is of vital importance for the electrochemical production of hydrogen (H 2 ) fuels. Herein, we report the hydrothermal synthesis of a NiTe 2 nanosheet array anchored on Ti mesh (NiTe 2 /TM) through the topotactic transformation from a Ni(OH) 2 nanoarray on the basis of an anion exchange reaction. As a robust non-noblemetal catalyst electrode for alkaline water oxidation, NiTe 2 /TM exhibits high activity and delivers a small overpotential of 315 mV to realize an anodic geometrical current density of 10 mA cm À2 , with superior long-term durability. It is suggested that the NiOOH species is evolved as the active phase for water oxidation. This study reveals a very profound earth-abundant 3D catalyst electrode for electrochemical water splitting towards large-scale and clean H 2 evolution from water.

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“…Nagaraja et al. [ 319 ] also reported on porous hollow NiTe 2 nanosheets used as bifunctional electrocatalyst for HER and OER due to their 2D sheet structure, high conductivity and porous nature offering more active sites for water splitting reaction.…”

Section: Applicationsmentioning

confidence: 99%

Two‐Dimensional Metal Telluride Atomic Crystals: Preparation, Physical Properties, and Applications

Tao

et al. 2021

Adv Funct Materials

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Atom‐thick 2D metal telluride atomic crystals (2D MTACs) display many fascinating physical properties for potential applications in multiple fields. In this review, recent advances in the preparation, physical properties and applications of 2D MTACs are presented. First, three kinds of the most available preparation methods for 2D single crystal MTACs have been summarized, including single crystal‐based mechanical exfoliation, molecular beam epitaxy, and chemical vapor deposition. Second, the recent progress on abundant physical properties of 2D MTACs is briefly introduced, including surface electronic properties, optoelectronic properties, electronic transport, and thermoelectric properties, ferroelectric properties, superconducting properties, and ferromagnetic properties. Third, the potential electronics, spintronics, optoelectronics and energy applications of 2D MTACs are presented. Finally, some significant challenges and opportunities in 2D MTACs are briefly addressed.

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Porous nickel telluride nanostructures as bifunctional electrocatalyst towards hydrogen and oxygen evolution reaction

Cited by 100 publications

References 88 publications

Recent Progress on Copper‐Based Electrode Materials for Overall Water‐Splitting

Recent Progress on Copper‐Based Electrode Materials for Overall Water‐Splitting

Nickel Ditelluride Nanosheet Arrays: A Highly Efficient Electrocatalyst for the Oxygen Evolution Reaction

Two‐Dimensional Metal Telluride Atomic Crystals: Preparation, Physical Properties, and Applications

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