Results 71 to 80 of about 126,687 (209)

Recent Developments in Mems-Based Micro Fuel Cells [PDF]

, 2006
Micro fuel cells ($\mu$-FC) represent promising power sources for portable applications. Today, one of the technological ways to make $\mu$-FC is to have recourse to standard microfabrication techniques used in the fabrication of micro electromechanical ...
Gauthier-Manuel, B., Pichonat, T.
core   +4 more sources

Proton Motive Force-Dependent Hoechst 33342 Transport by the ABC Transporter LmrA of Lactococcus lactis [PDF]

, 2005
The fluorescent compound Hoechst 33342 is a substrate for many multidrug resistance (MDR) transporters and is widely used to characterize their transport activity.
Abbreviations ABC, Chen M., Doerrler W. T., Ecker G. F., Gajic O., Haugland R. P., Higuchi R., Ketchum C. J., Kuipers O. P., Lalande M. E., Lanzetta P. A., Lewinson O., Linnett P. E., Lubelski J., Lubelski J., Margolles A., Mazurkiewicz P., Orelle C., Paternostre M. T., Poelarends G. J., Putman M., Sakamoto K., Sambrook J., Shapiro A. B., Shapiro A. B., Shapiro A. B., Shapiro A. B., Sharma S., Steinfels E., Urbatsch I. L., van Veen H. W., van Veen H. W., van Veen H. W., Venter H., Viitanen P., Yu J. L.   +35 more
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Mathematical modeling and numerical analysis of intermediate-temperature water (steam) electrolysis cell performances [PDF]

EPJ Web of Conferences
A physicochemical model of an intermediate-temperature water (steam) electrolyzer based on a proton exchange membrane (PEM) was developed. The results of numerical modeling provide recommendations for membrane-electrode assembly (MEA) parameters based on
Grigoriev Sergey, Kalinnikov Alexander
doaj   +1 more source

Nanoscale Electrodes by Conducting Atomic Force Microscopy: Oxygen Reduction Kinetics at the Pt|CsHSO_4 Interface [PDF]

, 2010
We quantitatively characterized oxygen reduction kinetics at the nanoscale Pt|CsHSO_4 interface at ~150 °C in humidified air using conducting atomic force microscopy (AFM) in conjunction with AC impedance spectroscopy and cyclic voltammetry.
Haile, Sossina M., Hightower, Adrian, Louie, Mary W.   +2 more
core  

Rapid Prototyping of PEM Fuel Cell Bi-Polar Plates using 3D Printing and Thermal Spray Deposition [PDF]

, 2005
This article presents the results of exploratory research on novel methods for the fabrication of functional, metallic, gas flow, bi polar plates (BPP) for use in proton exchange membrane fuel cells (PEMFC). Low cost, high speed, additive manufacturing
Batalov, Marat, Das, Suman, Lyons, Brett, Mohanty, Pranavasu   +3 more
core   +1 more source

Advances in nanocellulose proton conductivity and applications in polymer electrolyte membrane fuel cells

Next Materials
Fuel cells, crucial for the advancement of hydrogen-based energy devices, require novel materials for proton exchange membrane (PEM) that are more cost-effective and sustainable. At the core of such an energy source is the proton exchange membrane, which
Mehvish Shah, Najeeb Ud Din Hakim
doaj   +1 more source

Semi-interpenetrating Network Membrane from Polyethyleneimine-Epoxy Resin and Polybenzimidazole for HT-PEM Fuel Cells

Advances in Polymer Technology, 2020
In the present work, a semi-interpenetrating network (semi-IPN) high-temperature proton exchange membrane based on polyethyleneimine (PEI), epoxy resin (ER), and polybenzimidazole (PBI) was prepared and characterized, aiming at their future application ...
Chao Meng, Sheng Huang, Dongmei Han, Shan Ren, Shuanjin Wang, Min Xiao   +5 more
doaj   +1 more source

Phosphorus-containing sulfonated polyimides for proton exchange membranes [PDF]

, 2008
Synthesis and characterization of the novel sulfonated BAPPO monomer and its use in the synthesis of a new phosphine oxide-based sulfonated polyimide are described. BTDA, 6FDA, and DDS were used as monomers in the polyimide synthesis.
Cornet, Faure, Genies, Geniesa, Guo, Jang, Jeong, Karlsson, Kim, Lee, Lee, Martinez-Nung, Miyatake, Riley, Shobha, Summer, Temple, Udea, Wakizoe, Wang, Wang, Xing, Zhang, Zhao   +23 more
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Hybrid Membranes Based in Nafion-metallic Oxides: Performance Evaluations

Chemical Engineering Transactions, 2016
Proton exchange membrane fuel cells (PEMFCs) are a class of low temperature fuel cells characterized by a high energy density, good compatibility with the environment and a wide variety of applications.
J. Rodriguez, N. Rojas, M. Sanchez-Molina, L. Gonzalez Rodriguez, R. Campana, L. Rodriguez   +5 more
doaj   +1 more source

Modeling and simulations of deformation and transport in PEM fuel cells [PDF]

, 2008
Performance degradation and durability of PEM fuel cells depend strongly upon transport and deformation characteristics of their components especially the polymer membrane.
Yesilyurt, Serhat, Yeşilyurt, Serhat
core   +1 more source