2023
DOI: 10.1002/adfm.202300557
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Iron Oxyhydroxide: Structure and Applications in Electrocatalytic Oxygen Evolution Reaction

Abstract: Oxygen evolution reaction (OER) is the anodic half‐reaction for crucial energy devices, such as water electrolysis, metal–air battery, and electrochemical CO2 reduction. Fe‐based materials are recognized as one of the most promising electrocatalysts for OER because of its extremely low price and high activity. In particular, iron oxyhydroxide (FeOOH) is not only highly active toward OER, but also widely accepted as the true active species of Fe‐based OER electrocatalysts for plenty of Fe‐based materials are co… Show more

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Cited by 40 publications
(15 citation statements)
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“…[23][24][25][26][27] Among them, cobalt-based materials, including oxides, hydroxides, and oxyhydroxides have received increasing attention for use in fabricating OER catalysts due to their promising activity. [28][29][30][31][32][33][34] The electrocatalytic activity of cobalt catalysts has been improved by employing different strategies, including generating oxygen vacancies, developing porous nanostructures, and coupling with conducting substrates, etc. [35][36][37] Among the different cobalt materials, cobalt hydroxide nanomaterials have received increased attention for electrocatalytic studies because of their synthetic ease, low cost, large surface area, and unique electronic properties.…”
Section: Introductionmentioning
confidence: 99%
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“…[23][24][25][26][27] Among them, cobalt-based materials, including oxides, hydroxides, and oxyhydroxides have received increasing attention for use in fabricating OER catalysts due to their promising activity. [28][29][30][31][32][33][34] The electrocatalytic activity of cobalt catalysts has been improved by employing different strategies, including generating oxygen vacancies, developing porous nanostructures, and coupling with conducting substrates, etc. [35][36][37] Among the different cobalt materials, cobalt hydroxide nanomaterials have received increased attention for electrocatalytic studies because of their synthetic ease, low cost, large surface area, and unique electronic properties.…”
Section: Introductionmentioning
confidence: 99%
“…23–27 Among them, cobalt-based materials, including oxides, hydroxides, and oxyhydroxides have received increasing attention for use in fabricating OER catalysts due to their promising activity. 28–34 The electrocatalytic activity of cobalt catalysts has been improved by employing different strategies, including generating oxygen vacancies, developing porous nanostructures, and coupling with conducting substrates, etc. 35–37…”
Section: Introductionmentioning
confidence: 99%
“…32 Li et al mainly summarized the performance, application, and improvement scheme of a certain type of transition metal-based electrocatalysts. 78 Among them, few reviews are focusing on Fe/Co/Ni-based combined with interface engineering methods to modify heterogeneous compounds. There is even less summary on biomass electro-oxidation reaction (BEOR) to replace the slow anodic oxygen evolution reaction.…”
Section: Introductionmentioning
confidence: 99%
“…In the four isomers of FeO­(OH), the [FeO] 6 repeating units are arranged differently through either vertex- or edge-sharing . Among all, γ-FeO­(OH) has a unique two-dimensional-layered structure, connected through hydrogen bonding, and can be synthesized at ambient conditions . In the traditional synthesis, organic surfactants or ligands are used as stabilizing agents to prepare an iron oxide nanostructure. , However, it may result in a less exposed surface of the nanostructure due to the covering of a portion of the surface by the organic ligands.…”
Section: Introductionmentioning
confidence: 99%