Results 91 to 100 of about 38,404 (248)

Feasibility of Wind‐Powered Green Hydrogen Production via a Hybrid Graph Neural Network‐Transformer Forecasting Model

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Accurate long‐term wind speed forecasting is pivotal for the strategic planning of renewable energy infrastructure, particularly for assessing the techno‐economic feasibility of wind‐powered green hydrogen facilities. However, capturing the complex spatiotemporal dependencies in climate data remains a significant challenge. This study proposes
Iman Baghaei   +2 more
wiley   +1 more source

CFD modeling and simulation of PEM fuel cell using OpenFOAM [PDF]

open access: yes, 2018
A proton exchange membrane (PEM) fuel cell is an electrolytic cell that converts chemical energy of hydrogen reacting with oxygen into electrical energy.
Ahmadi, Goodarz   +4 more
core   +2 more sources

A Review on Carbon‐Based and Metal‐Based Anode Materials of Microbial Fuel Cells

open access: yesEnergy Science &Engineering, EarlyView.
Reviews a wide range of anode materials used in microbial fuel cells (MFCs) and evaluates their performance and suitability for scalable energy recovery from wastewater. Defines the essential characteristics of an ideal anode, including high surface area, excellent electrical conductivity, strong biocompatibility, and cost‐effectiveness, while ...
Md. Hamidur Rahman   +1 more
wiley   +1 more source

A multi-objective optimisation model for a general polymer electrolyte membrane fuel cell system [PDF]

open access: yes, 2010
This paper presents an optimisation model for a general polymer electrolyte membrane (PEM) fuel cell system Suitable for efficiency and size trade-offs investigation.
Ang, SMC, Brett, DJL, Fraga, ES
core  

Nonlinear predictive control for durability enhancement and efficiency improvement in a fuel cell power system [PDF]

open access: yes, 2016
© . This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/In this work, a nonlinear model predictive control (NMPC) strategy is proposed to improve the efficiency and enhance the ...
Hissel, Daniel   +5 more
core   +2 more sources

Effect of Graphite Type on the Electrical, Thermal, Mechanical, and Gas‐Barrier Properties of Ultrathin Composite Bipolar Plates

open access: yesPolymer Composites, EarlyView.
Schematic of the experimental workflow for evaluating the effect of different graphite fillers on the electrical, thermal, mechanical, and gas‐barrier properties of ultrathin composite foils produced via the Powder‐to‐Roll process. ABSTRACT This study systematically investigates the influence of graphite type, particle shape, and particle size on the ...
Laura Huwald   +5 more
wiley   +1 more source

Titanium Dioxide Induced Immobilization of Small Platinum Nanoparticles on Carbon Spherogels: A Strategy Towards Stable and Efficient Electrocatalysts for the Hydrogen Evolution Reaction

open access: yesSmall, EarlyView.
Platinum nanoparticles are immobilized on hollow carbon spherogels using supercritical deposition, enabling precise control over nanoparticle size, loading, and spatial distribution. Incorporation of an internal TiO2 sublayer in the hollow sphere support induces enhanced metal–support interactions, markedly improving hydrogen evolution activity and ...
Philip S. Pein   +11 more
wiley   +1 more source

Development of a PEM Fuel Cell City Bus with a Hierarchical Control System

open access: yesEnergies, 2016
The polymer electrolyte membrane (PEM) fuel cell system is considered to be an ideal alternative for the internal combustion engine, especially when used on a city bus.
Siliang Cheng   +5 more
doaj   +1 more source

Next‐Generation Aerogel Electrocatalysts for Oxygen Reduction Reaction

open access: yesSmall, EarlyView.
ABSTRACT Aerogel‐based electrocatalysts have become a groundbreaking class of materials for the oxygen reduction reaction (ORR), distinguished by their ultralight nature, pore networks, and outstanding electrical conductivity. Their interconnected three‐dimensional frameworks offer abundant active sites, efficient diffusion channels, and continuous ...
Kayode Adesina Adegoke   +1 more
wiley   +1 more source

On the distribution of local current density along a PEM fuel cell cathode channel

open access: yesElectrochemistry Communications, 2019
We report analysis of a recent model for local current density distribution along the air channel in a PEM fuel cell. Analytical solution for the case of small cell ohmic resistivity is obtained. An algorithm for numerical solution of the model equations
Tatyana Reshetenko, Andrei Kulikovsky
doaj   +1 more source

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