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Ruthenium-lead oxide for acidic oxygen evolution reaction in proton exchange membrane water electrolysis
Develo** an active and stable anode catalyst for the proton exchange membrane water electrolyzer (PEM-WE) is a critical objective to enhance the...
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Enhancing the physicochemical properties of nickel cobaltite catalyst for oxygen evolution reaction in anion exchange membrane water electrolyzers
Hierarchical hollow urchin-like nickel cobaltite (NiCo 2 O 4 ) was synthesized using a two-step hydrothermal method. The effects of metal composition and...
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Recent progress of Pt-based oxygen reduction reaction catalysts for proton exchange membrane fuel cells
With the increasing consumption of fossil fuels, proton exchange membrane fuel cells (PEMFCs) have attracted considerable attention as green and...
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Non-iridium-based electrocatalyst for durable acidic oxygen evolution reaction in proton exchange membrane water electrolysis
Iridium-based electrocatalysts remain the only practical anode catalysts for proton exchange membrane (PEM) water electrolysis, due to their...
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Heat and Mass Exchange Intensification in Liquid Phase of Oxygen Converter Using Bottom Inert Gas Pulsations
AbstractTo intensify the heat and mass exchange processes in a liquid melt bath of the oxygen, 160-ton capacity, converter, we tested the pulsating...
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Computational discovery of fast interstitial oxygen conductors
New highly oxygen-active materials may enhance many energy-related technologies by enabling efficient oxygen-ion transport at lower temperatures, for...
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Small amount but big impact: Trace oxygen interstitially inserted PtCu alloys by microalloying for efficient oxygen reduction catalysis
The introduction of small size non-metal elements (e.g., oxygen) into solid solution alloys may be a promising strategy for fabricating efficient...
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Visualizing oxygen transport pathways during intergranular oxidation in Ni-Cr
The transport paths of O during intergranular oxidation in binary Ni-Cr were investigated. To isolate the selective oxidation of Cr, oxidation was...
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The difference of the ionomer–catalyst interfaces for poly(aryl piperidinium) hydroxide exchange membrane fuel cells and proton exchange membrane fuel cells
The microstructures of the ionomer–catalyst interfaces in the catalyst layers are important for the fuel cell performance because they determine the...
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Transition-metal oxides with peak oxygen vacancy content for oxygen electrocatalysis
Introducing oxygen vacancies in transition-metal oxides is an effective method to improve electrocatalytic water oxidation activity. However,...
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Unraveling the modulation essence of p bands in Co-based oxide stability on acidic oxygen evolution reaction
The oxygen evolution reaction (OER) electrocatalysts, which can keep active for a long time in acidic media, are of great significance to proton...
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The influence of patterned microporous layer on the proton exchange membrane fuel cell performances
The ordered membrane electrode assembly (MEA) has gained much attention because of its potential in improving mass transfer. Here, a comprehensive...
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Sulfate-assisted Ni/Fe-based electrodes for anion exchange membrane saline splitting
Saline water electrolysis is an appealing strategy for hydrogen production, attracting more attention in recent years. NiFe-based electrodes exhibit...
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Suppressing the lattice oxygen diffusion via high-entropy oxide construction towards stabilized acidic water oxidation
The scale-up deployment of ruthenium (Ru)-based oxygen evolution reaction (OER) electrocatalysts in proton exchange membrane water electrolysis...
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Electric control of NiFe/NiO exchange bias through resistive switching under zero magnetic field
Magnetoelectric coupling is of tremendous importance for the information storage with respect to the pursuit of high density, low power consumption,...
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Enriched electrophilic oxygen species facilitate acidic oxygen evolution on Ru-Mo binary oxide catalysts
The polymer electrolyte membrane (PEM) electrolyzers are burdened with costly iridium (Ir)-based catalysts and high operation overpotentials for the...
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Emerging strategies and developments in oxygen reduction reaction using high-performance platinum-based electrocatalysts
The global practical implementation of proton exchange membrane fuel cells (PEMFCs) heavily relies on the advancement of highly effective platinum...
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Exchange-coupling enhanced: Tailoring structural and magnetic properties of Dy iron garnet ferrite nanoparticles via La substitution for switching devices
Nano particles with controlled oxygen vacancy, lower coercivity, and stronger magnetic saturation offer potential for innovative advances in...
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Highly active and durable core–shell electrocatalysts for proton exchange membrane fuel cells
This work presents simple post-treatment methods to selectively and partially remove the Pd core of Pd–Pt core–shell (Pt@Pd/C) catalysts. The proton...
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Oxygen Redox in Battery Cathodes: A Brief Overview
The participation of oxygen or other anionic species in redox activities in cathode materials for lithium- and sodium-ion battery systems is known to...