Results 51 to 60 of about 10,810 (211)
A novel lightweight polymer electrolyte fuel cell stack for robot systems
, 2012 Proton exchange membrane fuel cells (PEMFCs) are the most appropriate for energy sources of small robot applications. PEMFCs have superior power density and thermodynamic efficiency compared with direct methanol fuel cells (DMFCs).
Bates, Alex +8 more
core +1 more source
Modelling and Simulation of a Hydrogen-Based Hybrid Energy Storage System with a Switching Algorithm
World Electric Vehicle Journal, 2022 Currently, transitioning from fossil fuels to renewable sources of energy is needed, considering the impact of climate change on the globe. From this point of view, there is a need for development in several stages such as storage, transmission, and ...
Vishal Ram +2 more
doaj +1 more source
Journal of Mathematical and Fundamental Sciences, 2014 A polymer electrolyte membrane widely used in PEMFCs and DMFCs is a perfluorosulfonated membrane (the Nafion membrane). This perfluorosulfonated membrane material exhibits good chemical stability and proton conductivity, but it is very expensive and ...
Siang Tandi Gonggo +3 more
doaj
International Journal of Electrochemical Science, 2017 A variation in fluctuation dynamics of the noise component of the electric potential of a fuel cell was studied. A fuel cell with polymer membrane and gas diffusion layer was tested and treated with a fast degradation procedure.
E.A. Astafev +5 more
doaj +1 more source
Composite sPEEK with Nanoparticles for Fuel Cell's Applications: Review [PDF]
, 2012 The membranes in fuel cells must both conduct protons and serve as a barrier for fuel. This review discusses modifications nanoparticles of sPEEK (sulfonated polyether-ether ketone), sPEEK have advantages properties as fuel cell’s membranes such as ...
Arief , Rahman Hakim +3 more
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Membranas de polieletrólitos com características de condução protônica: obtenção, caracterização e avaliação da eficiência em células a combustível [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-graduação em QuímicaMembranas compósitas com características de condutividade protônica tem sido estudadas como uma alternativa para ...
Oliveira, Paula Nunes de
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Nanomaterials, 2019 This paper focuses on a literature analysis and review of sulfonated polymer (s-Poly) composites, sulfonated organic, inorganic, and organic−inorganic hybrid membranes for polymer electrolyte membrane fuel cell (PEM) systems, particularly for ...
Duraibabu Dhanapal +3 more
doaj +1 more source
Artificial neural network control strategies for fuel cell hybrid system [PDF]
, 2013 The greening of air transport is the driver for developing technologies to reduce the environmental impact of aviation with the aim of halving the amount of carbon dioxide (COଶ) emitted by air transport, cutting specific emissions of nitrogen oxides ...
Oheda, Hakim
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Análise e desenvolvimento de modelo de transporte de massa visando a aplicação em células a combustível tipo PEM [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2012O atual cenário mundial na área de energia demanda o desenvolvimento tecnológico de alternativas ...
Garcia Acevedo, Luis Evelio
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Looking Inside Polymer Electrolyte Membrane Fuel Cell Stack Using Tailored Electrochemical Methods
, 2020 Voltammetry, potentiometry, amperometry, and electrochemical impedance spectroscopy (EIS) were used to study practical polymer electrolyte membrane fuel cell (PEMFC) stacks in an attempt to validate the stack-tailored electrochemical methods and to show ...
Tokarz, Wojciech +7 more
core +1 more source