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Showing 1 to 20 of 34 for “"hydrogen fuel cell"”.
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Modelling and Optimization of Scalable Hydrogen Fuel Cell Systems for Aviation
Fuel cell systems provide one possible technological pathway for sustainable aviation propulsion; however, aviation presents unique challenges for these systems. To address these challenges, this thesis presents a modelling, simulation, and optimization tool for the sizing and performance …
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Hydrogen Fuel Cell Driven Origami-Inspired Large-Elongation Soft Robot Modules
Soft robots have gained popularity in recent years, especially in fields spanning medicine, space, to assistive robotics. Unlike traditionally rigid robots, soft robots offer inherent safety and a robust design. Furthermore, modular reconfigurable soft robots, which are robots composed of repeating …
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Novel, low-cost, CFRP pressure vessel design for hydrogen fuel cell applications
… in other gas storage applications for example in Hydrogen Fuel Cell (HFC) applications. This report details the research aimed at identifying the feasibility and suitability of the proposed CFRP pressure vessel concept for high pressure hydrogen gas storage for use in Hydrogen Fuel Cell Powered …
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A consumer guide to the benefits and obstacles of transitioning to the hydrogen fuel cell
Hydrogen Fuel Cells are a much talked about technology often represented as promising virtually unlimited amounts of non-polluting power by chemically reacting hydrogen, the most abundant element in the universe, with oxygen without combustion. Our analysis indicates that fuel cells are indeed a …
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Strategic analysis of technical, commercial, and regulatory influences on the commercialization of hydrogen fuel cell vehicles
… invested in identifying technologies to increase fuel economy and reduce greenhouse gas emissions. Alternative propulsion technologies, such as fuel cells, are of tremendous interest to provide these benefits. However, factors including refueling infrastructure requirements, technology costs, and …
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Techno-Economic Analysis of Line Haul and Switcher Locomotive Propulsion by Diesel, Battery, and Hydrogen Fuel Cell Technologies
… emerging alternatives such as battery electric, hydrogen fuel cell, and electrified rail, the paper evaluates their potential to reduce emissions within the freight rail sector. The use of a Total Cost of Ownership (TCO) and Environmental Impact Analysis quantifies the financial and environmental …
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Structure-Morphology-Property Relationships in Perfluorosulfonic Acid Ionomer Dispersions, Membranes, and Thin Films to Advance Hydrogen Fuel Cell Applications
Recent efforts toward the commercialization of hydrogen fuel cells, a sustainable energy technology, have led to interest in the effects of industrial processing parameters on the morphology and properties of fuel cell ionomers. The ionomer functions as a solid electrolyte membrane on the order of …
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The development of inorganic and organic/inorganic membranes for DMFC application
A fuel cell is an energy device that converts chemical energy to electrical energy. Low temperature fuel cells, namely the hydrogen fuel cell and the direct methanol fuel cell are preferred amongst other fuel cell types for stationary and vehicular applications, due to their small size and their …
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Mobility feasibility of fuel cell powered hopping robots for space exploration
… how that energy is used. The Microbot utilizes a hydrogen fuel cell power system. A fuel cell power system design is proposed and an experimental prototype device was constructed and tested. The results presented indicate that a miniature hydrogen fuel cell power system is a feasible energy …
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A Techno-Economic Analysis of Hydrogen, Electric, and Diesel Fuel in Medium- and Heavy-Duty Transportation Applications
… analysis for three distinct vehicle drivetrains (hydrogen fuel-cell vehicles (FCVs), battery-electric vehicles (BEVs), and diesel vehicles (ICE-D)) across a variety of applications in the medium- and heavy-duty (MD/HD) transportation market. The primary basis for evaluating each drivetrain is …
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Design, Implementation and Evaluation of a Microgrid in Island and Grid Connected Modes with a Fuel Cell Power Source
… simulate a simple microgrid consisting of a PEM hydrogen fuel cell, load and connection to the grid and (2) to evaluate the resulting microgrid control system on a corresponding experimental microgrid. The microgrid simulation demonstrated that the control algorithms can operate the microgrid in …
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AI-driven optimization framework with domain-specific Large Language Models for renewable energy and hydrogen deployment
… Large Language Model trained on renewable and hydrogen energy data. The framework integrates RE-LLaMA with MG-OPT, a multi-objective optimization system that employs Mixed-integer linear Programming and Pareto-based optimization techniques. The framework uniquely combines photovoltaic, wind, …
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BARDS analysis of real-time H2 and O2 gas evolution during the total water splitting of an aqueous electrolyte
Hydrogen fuel cell technology has the potential for integration with renewable energy sources to produce electricity without the need for fossil fuels and thus reducing greenhouse gas emissions. A downside to the use of fuel cells is the electrodes used in the production of hydrogen gas are …
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Hydrogen : what fuel cell vehicles and advanced nuclear reactors have in common
… technology and policy issues directly related to hydrogen economy. The first issue concentrates on the end-use application of hydrogen as a transportation fuel, and deals with the following question: what is the place of hydrogen fuel cell vehicles among the new, more-efficient advanced vehicle …
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Enhanced performance and durability of shape-controlled octahedral PtNiX catalysts for advanced fuel cell applications
… emphasizing the urgent need to shift from fossil fuels to more sustainable energy alternatives such as “green” hydrogen. Hydrogen fuel cell technologies are attractive as zero-emission solutions in transportation and other power sectors. However, the wider adoption of hydrogen fuel cells is …
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Durability of Chopped FiberReinforced Polymeric Composites for use in Experimental Automotive Fuel Cells
Recent interest in utilizing hydrogen fuel cell technology for automotive applications has lead to concerns regarding the durability of fiber reinforced polymer (FRP) composite materials. Automotive fuel cell power train systems must prove themselves as a reliable alternative to the combustion …
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The autothermal reforming of artificial gasoline
… of alternative means of reducing emissions, with hydrogen fuel cell powered vehicles being accepted as one favoured possibility. However, the difficulties of storing and distributing hydrogen as a fuel are such that the conversion of more readily available fuels to hydrogen on board the vehicle …
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Developing an energy efficient steam reforming process to produce hydrogen from sulfur-containing fuels
Hydrogen powered fuel cells have the potential to produce electricity with higher efficiency and lower emissions than conventional combustion technology. In order to realize the benefits of a hydrogen fuel cell an efficient method to produce hydrogen is needed. Currently, over 90% of hydrogen is …
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Hydrogen Powered Cars and Trucks: Is there a role for them in the electrified U.S. future?
… emissions are needed to limit global warming. Fuel Cell Electric Vehicles (FCEV) offer an attractive alternative for decarbonizing the transportation sector for both Light Duty and Heavy Duty categories. The cost of hydrogen fuel cell-related technologies are decreasing rapidly and FCEVs may …
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Synthesis and Electrocatalytic Properties of Structure Engineered First-Row Transition Metal Derivatives
Hydrogen is a green energy carrier, producing only water when combusted, and a hydrogen economy has been considered the ideal green economy for human society. Water electrolysis can produce high-purity hydrogen on a large scale, and if the electricity used in water electrolysis is obtained from …
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