Results 11 to 20 of about 179,969 (212)

Polyvinylimidazole-wrapped Halloysite Nanotubes for High Proton Conductivity in Polymer Electrolyte Membranes

International Journal of Electrochemical Science, 2020
The construction of continuous proton transfer channels within a proton exchange membrane is an important and challenging task for the logical design of proton exchange membranes. Herein, inspired by the mechanism of moisture transport used by plants and
Xiaoyang Liu, Xiang Sun, Hongqian Ren, Mengjie Yang, Mingling Xia, Jinghe Hou, Yi Feng, Huili Ding   +7 more
doaj   +1 more source

Nonlinear modeling of the polymer Membrane Fuel Cells using Deep Belief Networks and Modified Water Strider Algorithm

Energy Reports, 2021
The present study presents a new method for optimal identification of the output voltage of a Proton Exchange Membrane Fuel Cell based on an optimized Deep Belief Network.
Libing Hu, YongChun Zhang, Nasser Yousefi   +2 more
doaj   +1 more source

Oxygen reduction at the silver/hydroxide-exchange membrane interface [PDF]

, 2008
A solid-state cell is used to study the electrocatalysis of oxygen reduction at the silver/hydroxide-exchange membrane interface. The catalyst/membrane interface exhibits improved performance in comparison to a catalyst/aqueous sodium hydroxide interface.
Abd El Rehim, Alice E.S. Sleightholme, Anthony R. Kucernak, Basura, Beattie, Blizanac, Cha, Chatenet, Denuault, Gasteiger, Gubbins, Jiang, Jiang, Jiang, John R. Varcoe, Kinoshita, Motheo, Sobkowski, Varcoe, Varcoe, Varcoe, Varcoe, Varcoe   +22 more
core   +2 more sources

Numerical simulation of the performance of proton exchange membrane fuel cell with different membrane geometries

Journal of Mechanical Engineering and Sciences, 2017
The performance of proton exchange membrane fuel cell (PEMFC) under different membrane geometries is investigated using a three-dimensional mathematical model.
Mohammed Jourdan, Hamid Mounir, Abdellatif EL Marjani   +2 more
doaj   +1 more source

Proton exchange membrane electrolysis sustained by water vapor [PDF]

, 2011
The current–voltage characteristics of a proton exchange membrane (PEM) electrolyzer constructed with an IrRuOx water oxidation catalyst and a Pt black water reduction catalyst, under operation with water vapor from a humidified carrier gas, have been ...
Lewis, Nathan S., Spurgeon, Joshua M.
core   +1 more source

Hydrogen Leakage Diagnosis for Proton Exchange Membrane Fuel Cell Systems: Methods and Suggestions on Its Application in Fuel Cell Vehicles

IEEE Access, 2020
Proton exchange membrane fuel cell vehicles using hydrogen as fuel has become one of the key development directions in the field of new energy vehicles.
Ying Tian, Qiang Zou, Zezhao Lin
doaj   +1 more source

Preparation and Application of Aromatic Polymer Proton Exchange Membrane with Low-Sulfonation Degree

International Journal of Chemical Engineering, 2020
4,4′-Dichlorodiphenylsulfone-3,3′-disulfonic acid (disodium) salt and 4,4′-difluorodiphenylsulfone were used as sulfonated monomer. 4,4′-Fluorophenyl sulfones were used as the nonsulfonated monomer.
Yushan Gao, Zhidan Zhang, Shuangling Zhong, Reza Daneshfar   +3 more
doaj   +1 more source

Suppression of Methanol and Formate Crossover through Sulfanilic‐Functionalized Holey Graphene as Proton Exchange Membranes

Advanced Science, 2023
Proton exchange membranes with high proton conductivity and low crossover of fuel molecules are required to realize advanced fuel‐cell technology. The selective transportation of protons, which occurs by blocking the transportation of fuel molecules ...
Samuel Jeong, Tatsuhiko Ohto, Tomohiko Nishiuchi, Yuki Nagata, Jun‐ichi Fujita, Yoshikazu Ito   +5 more
doaj   +1 more source

Improved Model Predictive Control for a Proton Exchange Membrane Fuel Cell

International Journal of Electrochemical Science, 2012
Proton exchange membrane fuel cells are promising energy sources. Because of their time-change, uncertainty, strong-coupling and nonlinear characteristics, proton exchange membrane fuel cells present complex control challenges.
Liping Fan, Jun Zhang, Yi Liu, Xiaolin Shi   +3 more
doaj   +1 more source

Water and charge transport models in proton exchange membranes: An overview [PDF]

, 2012
Recently, the significant role of water management in affecting the performance and durability of proton exchange membrane fuel cell (PEMFC) has been subjective to an intensive research to understand water transport phenomena which is marked by two ...
Ahmed Aly, Amgad, El Seyed Nasef, Mohamed Mahmoud   +1 more
core   +1 more source