Results 121 to 130 of about 122,035 (305)

Platinum monolayer fuel cell electrocatalysts

open access: yes, 2007
We describe a new class of electrocatalysts for the O2 reduction, and H2 and methanol oxidation reactions, consisting of a monolayer of Pt deposited on a metal or alloy carbon-supported nanoparticles.
Valerio, J. A.   +9 more
core   +1 more source

Molybdenum Disulfide Bilayers Hybridized With Reduced Graphene Oxide Nanosheets for Enhanced Hydrogen Evolution Reaction

open access: yesAdvanced Materials Interfaces, EarlyView.
The integration of reduced graphene oxide nanosheet‐hybridized molybdenum disulfide bilayers to enhance hydrogen evolution reaction capabilities unveils thrilling opportunities for strain engineering, defect manipulation, and sophisticated twist‐angle assemblies with 2D heterostructures.
Bruno Ferreira Brischi   +8 more
wiley   +1 more source

Surface Segregation in Compositionally Complex Ag‐Au‐Pd‐Pt Solid Solutions: Insights From High‐Throughput Experimentation and Atomistic Simulations

open access: yesAdvanced Materials Interfaces, EarlyView.
Surface segregation in quaternary Ag‐Au‐Pd‐Pt compositionally complex solid solutions is systematically mapped across 684 compositions by combining high‐throughput EDX and XPS characterization of co‐sputtered thin‐film libraries with large‐scale MD/MC atomistic simulations.
Ridha Zerdoumi   +10 more
wiley   +1 more source

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

open access: yesBeilstein Journal of Nanotechnology
The advancement of affordable, ultrastable, and efficient electrode materials for basic hydrogen evolution reaction (HER) plays a crucial role in industrial hydrogen manufacture, resolving problems caused by carbon dioxide emissions.
Ha Huu Do   +3 more
doaj   +1 more source

3D Nanorod‐Shaped Binder‐Free Ni1−xFexCo2O4 Anodes Demonstrate High Performance and Stable Operation Under Accelerated Stress Tests in Anion Exchange Membrane Water Electrolysis

open access: yesAdvanced Materials Interfaces, EarlyView.
3D shaping of Ni1‐xFexCo2O4 spinel electrocatalyst to form high aspect ratio nanorods, made of 25 nm grain size particles and directly grown on Nickel felt, is proposed to improve the performance of industrial catalysts based on group‐VIII transition‐metal oxides.
Ataollah Niyati, Ombretta Paladino
wiley   +1 more source

Transition Metal Oxides as Electrocatalysts for the Oxygen Evolution Reaction in Alkaline Solutions: An Application-Inspired Renaissance.

open access: yesJournal of the American Chemical Society, 2018
Water splitting is the essential chemical reaction to enable the storage of intermittent energies such as solar and wind in the form of hydrogen fuel. The oxygen evolution reaction (OER) is often considered as the bottleneck in water splitting.
Fang Song   +6 more
semanticscholar   +1 more source

Development of Catalysts and Catalyst Supports for Polymer Electrolyte Fuel Cells [PDF]

open access: yes, 2015
Polymer Electrolyte Membrane fuel cells (PEMFC) are clean and efficient electrochemical energy converters that can be adapted to a wide range of domestic and automotive applications.
Mansor, NB
core  

Engineering Ultra‐Low Fe or Ni Loading in Polymer Derived SiCN(O) Fibre Mats: Exploring the Performance towards Alkaline OER

open access: yesAdvanced Materials Interfaces, EarlyView.
Polymer‐derived SiCN(O) fibre mats enable anchoring of ultra‐low amounts of transition metals for efficient alkaline oxygen evolution. The distinct behaviour of Fe‐ and Ni‐based fibres highlights the importance of metal phase and support interactions in tailoring catalytic behaviour.
Eranezhuth Wasan Awin   +5 more
wiley   +1 more source

Self‐supported thin‐film electrode consisting of transition metal borides for highly efficient hydrogen evolution

open access: yesCarbon Energy
Transition metal borides (TMBs) are a new class of promising electrocatalysts for hydrogen generation by water splitting. However, the synthesis of robust all‐in‐one electrodes is challenging for practical applications.
Qi Miao   +9 more
doaj   +1 more source

The Effect of Surface Oxygen Coverage on the Oxygen Evolution Reaction over a CoFeNiCr High-Entropy Alloy

open access: yesNanomaterials
Developing cost-effective and highly active electrocatalysts for the oxygen evolution reaction (OER) is crucial for advancing sustainable energy applications.
Geng Yuan, Luis Ruiz Pestana
doaj   +1 more source

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