PEM fuel cell applications and their development at International Fuel Cells
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International Fuel Cells (IFC) is involved with the full spectrum of fuel cell power plants including the development of Proton Exchange Membrane (PEM) fuel cell systems. The extensive background in systems, design, materials and manufacturing technologies has been brought to bear on the development of highly competitive PEM power plants. IFC is aggressively pursuing these opportunities and is developing low-cost designs for a wide variety of PEM fuel cell applications with special emphasis on portable power and transportation. Experimental PEM power plants for each of these applications have been successfully tested.Component (thermodynamics)
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Microbial fuel cells (MFCs) convert chemical energy into electrical energy using microorganisms. Various factors influence electricity generation by MFC. Surface areas of cathode and anode have been reported as significant factors affecting the performance of MFC. Hence, in the present study, the above mentioned factors were investigated for understanding their influence on generation of electricity. It was observed that the surface area of cathode did enhance the energy generation but only up to a certain limit (18.42 cm 2 ). However, surface area of anode was found to be more important and critical in increase the capacity and sustainability of the MFC system. Hence, it can be concluded that in an MFC system, bacteria are solely responsible for generation of electrons and thus, electricity. Providing large surface area for bacterial growth at anode would thus be a key parameter to enhance the electricity generation.
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Abstract: In this project, we present a detailed modelling approach for a Proton Exchange Membrane (PEM) fuel cell using MATLAB Simulink. The paper provides a comprehensive analysis of the PEM fuel cell system, including the electrochemical reactions that occur within the fuel cell, the thermodynamics of the system, and the transport processes of the reactants and products. The model is based on a multi-phase approach and incorporates several sub-models for each component of the fuel cell system. The resulting model is validated using experimental data from literature, and the results show excellent agreement with the experimental data. The model is further used to investigate the effects of various parameters, such as gas flow rate, and cell voltage, on the fuel cell's efficiency. . The research's conclusions give important new information about the operation and optimisation of PEM fuel cells, and the suggested model can be utilised to build and improve PEM fuel cell systems.
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This paper reviews the developments of electrocatalysts for low temperature fuel cell,including proton exchange membrane fuel cell(PEMFC) and direct methanol fuel cell(DMFC),especially several new preparation technologies and methods for preparation of highly-dispersed and highly-active electrocatalysts emerging in recent years,as well as researches in low-platinum or platinum-free electrocatalyst.Some fundamental researches in this aspect were outlined,too.
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