Buscar
Mostrando ítems 31-40 de 192
MOF derived Mesoporous Nitrogen doped Carbons with high Activity towards Oxygen Reduction
(Pergamon-Elsevier Science Ltd, 2017-10)
In order to obtain Platinum-free catalysts for the Oxygen Reduction Reaction (ORR) in Fuel Cells, Nitrogen doped mesoporous carbons were prepared from pyrolysis of three Cobalt metal organic frameworks (MOFs), one linear ...
Increased efficiency of a fuel cell using h-BN electrodes and Teflon polymer electrolyte [-C2F4-]n
(Universidad del Zulia, 2020)
Implementation and Evaluation of Single Phase Impedances Source Inverter for Polymer Electrolyte Membrane Fuel Cell System-Edición Única
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2015)
Implementation and evaluation of single phase impedances source inverter for polymer electrolyte membrane fuel cell system
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2007-12-01)
New bio-polymeric membranes composed of alginate-carrageenan to be applied as polymer electrolyte membranes for DMFC
(Elsevier, 2014-11)
Novel polyelectrolyte membranes were prepared from pure solutions of alginate (Alg), carrageenan (Car) and their mixtures. The films were crosslinked and sulfonated and then, characterized by several techniques: ionic ...
The effects of hydrogen sulfide on the polymer electrolyte membrane fuel cell anode catalyst: H(2)S-Pt/C interaction products
(ELSEVIER SCIENCE BV, 2011)
The performance of a polymer electrolyte membrane fuel cell (PEMFC) operating on a simulated hydrocarbon reformate is described. The anode feed stream consisted of 80% H(2),similar to 20% N(2), and 8 ppm hydrogen sulfide ...
A Gain-Scheduled LPV Control for Oxygen Stoichiometry Regulation in PEM Fuel Cell Systems
(Institute of Electrical and Electronics Engineers, 2014-09)
This paper addresses the linear parameter varying (LPV) control of a polymer electrolyte membrane fuel cell (PEMFC). To optimize efficiency, PEMFCs require reliable control systems ensuring stability and performance, as ...
Advancing direct ethanol fuel cell operation at intermediate temperature by combining Nafion-hybrid electrolyte and well-alloyed PtSn/C electrocatalyst
(2021-04-06)
The advancement of direct ethanol fuel cell (DEFC) represents a real challenge to electrochemical science because ethanol changes significantly the triple phase boundary properties such as the redox reactions and the proton ...
Preparation of KOH-doped PVA/PSSA solid polymer electrolyte for DMFC: the influence of TiO 2 and PVP on performance of membranes
(Fuel CellsBrasil, 2016-01-22)
The development of low cost alkaline anion solid exchange membranes requires high ionic conductivity, low liquid uptake, strong mechanical properties and chemical stability. PVA/PSSA blends cross-linked with glutaraldehyde ...