Carbon‐Encapsulated Single‐Atom Platinum Nickel Alloy for Efficient and Durable Alkaline Hydrogen Oxidation Through Enhanced Charge Polarization
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202413754
Abstract: Developing efficient and stable non‐noble metal electrocatalysts for fuel cells is pivotal yet challenging. Herein, a dual‐modulation strategy by integrating a single‐atom alloy (SAA) core with carbon encapsulation to fabricate an advanced NiPtSA@NC catalyst is… read more here.
Keywords: carbon; charge polarization; hydrogen oxidation; alkaline hydrogen ... See more keywords
Self‐Accommodation Induced Electronic Metal–Support Interaction on Ruthenium Site for Alkaline Hydrogen Evolution Reaction
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202301369
Abstract: Tuning the metal‐support interaction of supported metal catalysts has been found to be the most effective approach to modulating electronic structure and improving catalytic performance. But practical understanding of the charge transfer mechanism at the… read more here.
Keywords: alkaline hydrogen; metal support; support interaction; electronic metal ... See more keywords
Dual‐Intermetallic Heterostructure on Hierarchical Nanoporous Metal for Highly Efficient Alkaline Hydrogen Electrocatalysis
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DOI: 10.1002/adma.202406711
Abstract: Constructing well‐defined active multisites is an effective strategy to break linear scaling relationships to develop high‐efficiency catalysts toward multiple‐intermediate reactions. Here, dual‐intermetallic heterostructure composed of tungsten‐bridged Co3W and WNi4 intermetallic compounds seamlessly integrated on hierarchical… read more here.
Keywords: intermetallic heterostructure; dual intermetallic; alkaline hydrogen; heterostructure ... See more keywords
Surface Single Atom Alloys for Alkaline Hydrogen Evolution Reaction
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DOI: 10.1002/adma.202502989
Abstract: Single atom catalysts (SACs) achieve 100% utilization of metal atoms and have versatile support effects, whereas single atom alloys (SAAs) with metallic bonds own the free‐atom‐like electronic structure. Herein, surface single atom alloys (SSAAs) are… read more here.
Keywords: atom; mo2c; alkaline hydrogen; single atom ... See more keywords
Unconventional Hexagonal Close‐Packed High‐Entropy Alloy Surfaces Synergistically Accelerate Alkaline Hydrogen Evolution
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DOI: 10.1002/advs.202409023
Abstract: Accelerating the alkaline hydrogen evolution reaction (HER), which involves the slow cleavage of HO‐H bonds and the adsorption/desorption of hydrogen (H*) and hydroxyl (OH*) intermediates, requires developing catalysts with optimal binding strengths for these intermediates.… read more here.
Keywords: hexagonal close; alkaline hydrogen; hydrogen evolution; hydrogen ... See more keywords
Gradient OH Desorption Facilitating Alkaline Hydrogen Evolution Over Ultrafine Quinary Nanoalloy
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202400777
Abstract: Strengthening OH adsorption on electrocatalyst is crucial to promote the rate‐determining water dissociation step of alkaline hydrogen evolution reaction (HER), whereas too‐intensified OH adsorption will poison the active sites instead. This dilemma remains one of… read more here.
Keywords: gradient desorption; alkaline hydrogen; hydrogen evolution; ultrafine quinary ... See more keywords
Ru2P/Ir2P Heterostructure Promotes Hydrogen Spillover for Efficient Alkaline Hydrogen Evolution Reaction
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DOI: 10.1002/aenm.202401426
Abstract: Efficient and durable electrocatalysts toward alkaline hydrogen evolution reaction (HER) are of great significance for the widespread application of anion‐exchange membrane water electrolyzer (AEMWE). Numerous single‐phase catalysts, such as Ru2P, have been explored as efficient… read more here.
Keywords: evolution reaction; alkaline hydrogen; hydrogen evolution; hydrogen spillover ... See more keywords
Enhancing Alkaline Hydrogen Evolution on Metallic Nickel by Alpha-Nickel Hydroxide Coating.
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DOI: 10.1002/cssc.202201072
Abstract: In this work, alkaline hydrogen evolution reaction (HER) processes of three typical nickel-based electrocatalysts, i.e., Ni, α-Ni(OH) 2 , and β-Ni(OH) 2 , were investigated to probe critical factors that determine the activity and durability.… read more here.
Keywords: alkaline hydrogen; activity; hydrogen evolution; enhancing alkaline ... See more keywords
Electronic Modulation and Mechanistic Study of Ru-decorated Porous Cu-rich Cuprous Oxide for Robust Alkaline Hydrogen oxidation and Evolution Reactions.
Sign Up to like & getrecommendations! Published in 2023 at "ChemSusChem"
DOI: 10.1002/cssc.202202113
Abstract: Rational designing of a high-efficiency and viable electrocatalyst is essential to conquering the bottleneck of sluggish alkaline hydrogen oxidation/evolution reactions (HOR/HER) kinetics. Herein, a MOF-engaged strategy for constructing Pt-free catalyst with Ru clusters anchored on… read more here.
Keywords: alkaline hydrogen; hydrogen oxidation; oxidation evolution; hydrogen ... See more keywords
Dual Active Site Engineering of Nickel Selenides by a Substrate Effect for Alkaline Hydrogen Evolution.
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DOI: 10.1002/cssc.202501326
Abstract: Developing efficient catalysts for alkaline hydrogen evolution reaction (HER) requires rapid water/hydrogen adsorption/dissociation kinetics. However, challenges remain in reducing energy barriers by simultaneously activating the anionic and cationic sites in a single compound. In this… read more here.
Keywords: active site; dual active; alkaline hydrogen; hydrogen evolution ... See more keywords
Ultra-Low Pt Doping and Pt-Ni Pair Sites in Amorphous/Crystalline Interfacial Electrocatalyst Enable Efficient Alkaline Hydrogen Evolution.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202300368
Abstract: Noble metal doping can achieve an increase in mass activity (MA) without sacrificing catalysis efficiency and stability, so that alkaline hydrogen evolution reaction (HER) performance of the catalyst can be optimized to the maximum degree.… read more here.
Keywords: alkaline hydrogen; ultra low; hydrogen evolution; amorphous crystalline ... See more keywords