Browsing by Subject "fuel cell"
Now showing items 1-13 of 13
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(Texas A&M University, 2005-11-01)Fuel cell power generation systems provide a clean alternative to the conventional fossil fuel based systems. Fuel cell systems have a high efficiency and use easily available hydrocarbons like methane. Moreover, since ...
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Analysis and design of high frequency link power conversion systems for fuel cell power conditioning (Texas A&M University, 2005-11-01)In this dissertation, new high frequency link power conversion systems for the fuel cell power conditioning are proposed to improve the performance and optimize the cost, size, and weight of the power conversion systems. ...
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(2009-05-15)A combination of high prices of fossil fuels and the increased awareness of their negative environmental impact has influenced the development of new cleaner energy sources. Among various viable technologies, fuel cells ...
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(2010-01-14)The purpose of this thesis is to design hardware and a control strategy for a fuel cell/battery hybrid power supply. Modern fuel cell/battery hybrid power supplies can have 2 DC/DC converters: one converter for the battery ...
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(2017-07-20)Proton exchange membrane fuel cells (PEMFCs) are a promising technology in energy conversion. However, the high cost of the platinum catalyst limits the use of fuel cells. To address this problem, many improvements and ...
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(Texas A&M University, 2006-04-12)An investigation was conducted to determine the feasibility of using the technique of ultrasonic nebulization of water into the anode gas stream for evaporative cooling of a Proton Exchange Membrane (PEM) fuel cell. The ...
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(2016-06-28)Proton exchange membrane (PEM) fuel cells are clean energy sources which are offering solutions to some problems that are caused by climate change and global warming. One of the biggest obstacles in the way of development ...
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(2022-04-12)Proton exchange membrane (PEM) fuel cells and PEM reverse fuel cell dehumidifiers (or PEM electrolytic dehumidifiers) are zero emission, high efficiency electrochemical energy devices. However, the high cost associated ...
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(Texas A&M University, 2004-09-30)An investigation was conducted to determine and compare the effect of cell current pulsing and "self-oxidation" in increasing the CO tolerance of a PEM fuel cell. The most effective pulsing parameter values were also ...
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(2014-07-28)In the midst of a present-day global energy renaissance, power electronics has evolved into a top-tier technology discriminator in distributed energy resource (DER) systems. Faced with the formidable task of integrating ...
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(2023-04-03)Commercially viable low-cost, long-range, and safe electric vehicles (EVs) require advancements in batteries and fuel cells. Proton exchange membrane fuel cells (PEMFCs) require a sufficient amount of expensive platinum ...
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(2020-03-26)Polymerized ionic liquid (PIL) block copolymers can be used as solid-state membranes in alkaline fuel cells (AFCs) to extend AFC lifetime performance. Combining the multiple block chemistries synergizes the individual ...
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(Texas A&M University, 2006-04-12)In this thesis analysis and design of a wide input range DC-DC converter is proposed along with a robust power control scheme. The proposed converter and its control is designed to be compatible to a fuel cell power source, ...