Self-Supported Nanoporous Cobalt Phosphide Nanowire Arrays: An Efficient 3D Hydrogen-Evolving Cathode over the Wide Range of pH 0–14

Tian, Jingqi; Liu, Qian; Asiri, Abdullah M.; Sun, Xuping

doi:10.1021/ja503372r

Cited by 2,225 publications

(1,525 citation statements)

References 47 publications

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“…Since the first report on the implementation of TMPs as electrocatalysts for water splitting, many researchers have paid their attention to the development of various TMP materials as HER or OER electrocatalysts 162, 163, 164. Both the structure and the composition could be constructed and controlled to enhance the electrocatalytic activities 165, 166.…”

Section: Advanced Ldh Derivatives For Water Splittingmentioning

confidence: 99%

Recent Progress on Layered Double Hydroxides and Their Derivatives for Electrocatalytic Water Splitting

et al. 2018

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Layered double hydroxide (LDH)‐based materials have attracted widespread attention in various applications due to their unique layered structure with high specific surface area and unique electron distribution, resulting in a good electrocatalytic performance. Moreover, the existence of multiple metal cations invests a flexible tunability in the host layers; the unique intercalation characteristics lead to flexible ion exchange and exfoliation. Thus, their electrocatalytic performance can be tuned by regulating the morphology, composition, intercalation ion, and exfoliation. However, the poor conductivity limits their electrocatalytic performance, which therefore has motivated researchers to combine them with conductive materials to improve their electrocatalytic performance. Another factor hampering their electrocatalytic activity is their large lateral size and the bulk thickness of LDHs. Introducing defects and tuning electronic structure in LDH‐based materials are considered to be effective strategies to increase the number of active sites and enhance their intrinsic activity. Given the unique advantages of LDH‐based materials, their derivatives have been also used as advanced electrocatalysts for water splitting. Here, recent progress on LDHs and their derivatives as advanced electrocatalysts for water splitting is summarized, current strategies for their designing are proposed, and significant challenges and perspectives of LDHs are discussed.

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Section: Advanced Ldh Derivatives For Water Splittingmentioning

confidence: 99%

Recent Progress on Layered Double Hydroxides and Their Derivatives for Electrocatalytic Water Splitting

et al. 2018

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“…In 2014, Sun and coworkers developed a topotactic conversion method to directly grow self‐supported nanoporous cobalt phosphide nanowire arrays on carbon cloth (designated as CoP/CC) via phosphidation of their Co(OH)F precursor 37. This CoP/CC nanowire array was demonstrated as a hydrogen‐evolving cathode for a wide range of pH from 0 to 14 with good stability.…”

Section: Hermentioning

confidence: 99%

One‐Dimensional Earth‐Abundant Nanomaterials for Water‐Splitting Electrocatalysts

2016

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Hydrogen fuel acquisition based on electrochemical or photoelectrochemical water splitting represents one of the most promising means for the fast increase of global energy need, capable of offering a clean and sustainable energy resource with zero carbon footprints in the environment. The key to the success of this goal is the realization of robust earth‐abundant materials and cost‐effective reaction processes that can catalyze both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), with high efficiency and stability. In the past decade, one‐dimensional (1D) nanomaterials and nanostructures have been substantially investigated for their potential in serving as these electrocatalysts for reducing overpotentials and increasing catalytic activity, due to their high electrochemically active surface area, fast charge transport, efficient mass transport of reactant species, and effective release of gas produced. In this review, we summarize the recent progress in developing new 1D nanomaterials as catalysts for HER, OER, as well as bifunctional electrocatalysts for both half reactions. Different categories of earth‐abundant materials including metal‐based and metal‐free catalysts are introduced, with their representative results presented. The challenges and perspectives in this field are also discussed.

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“…A current density of 10 mA cm −2 could be achieved with these nanoparticles at an overpotential of 122 mV using a catalyst loading of 0.285 mg cm −2 . They further synthesized nanoporous CoP nanowire arrays through phosphidation of the corresponding Co(OH)F precursor [64]. Higher HER performance was achieved due to the 3D structure.…”

Section: Phosphidesmentioning

confidence: 99%

Electrocatalysts for hydrogen oxidation and evolution reactions

Zhuang

2016

Sci. China Mater.

152

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Self-Supported Nanoporous Cobalt Phosphide Nanowire Arrays: An Efficient 3D Hydrogen-Evolving Cathode over the Wide Range of pH 0–14

Cited by 2,225 publications

References 47 publications

Recent Progress on Layered Double Hydroxides and Their Derivatives for Electrocatalytic Water Splitting

Recent Progress on Layered Double Hydroxides and Their Derivatives for Electrocatalytic Water Splitting

One‐Dimensional Earth‐Abundant Nanomaterials for Water‐Splitting Electrocatalysts

Electrocatalysts for hydrogen oxidation and evolution reactions

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