Results 51 to 60 of about 102,266 (349)

Research progress of key materials in proton exchange membrane fuel cell

Cailiao gongcheng, 2022
Fuel cell, which directly enables the generation of electricity from the conversion of the fuel through an electrochemical reaction at the electrode and electrolyte interface, without going through the heat engine process, is an incredibly powerful ...
DU Zhenzhen, WANG Jun, WANG Jing, YU Fan, LI Jiongli, WANG Xudong   +5 more
doaj   +1 more source

Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications [PDF]

, 2013
Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed.
FAUVARQUE, J.F, MABROUK, Walid, MATOUSSI, F., OGIER, Lionel, SOLLOGOUB, Cyrille, VIDAL, Serge   +5 more
core   +6 more sources

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Novel PVA/La2Ce2O7 hybrid nanocomposite membranes for application in proton exchange membrane fuel cells [PDF]

Hydrogen, Fuel Cell & Energy Storage, 2014
Proton exchange membrane fuel cells (PEMFCs) are electrochemical devices that show the highest power densities compared to the other type of fuel cell.
Mehran Javanbakht, Khadijeh Hooshyari, Morteza Enhessari, Hossein Beydaghi   +3 more
doaj   +1 more source

Photoswitching Conduction in Framework Materials

Advanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez, Stefan Hecht, Wolfgang Wenzel, Lars Heinke, Mariana Kozlowska   +4 more
wiley   +1 more source

Novel ETFE based radiation grafted poly(styrene sulfonic acid-co-methacrylonitrile) proton conducting membranes with increased stability [PDF]

, 2009
Styrene radiation grafted ETFE based proton conducting membranes are subject to degradation under fuel cell operating conditions and show a poor stability. Lifetimes exceeding 250 h can only be achieved with crosslinked membranes.
Alkan Gursel, Selmiye, Alkan Gürsel, Selmiye, Ben youcef, Hicham, Gubler, Lorenz, Henkensmeier, Dirk, Scherer, Gunther G., Scherer, Günther G., Wokaun, Alexander   +7 more
core   +2 more sources

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source

Efficient Membranes Made of a Nanohybrid of Fluorine‐Doped Carbon Dots Coupled With Metal Organic Framework for High‐Performance Vanadium Redox Flow Battery

Advanced Functional Materials, EarlyView.
A sulfonated poly(ether ether ketone)‐based hybrid membrane is fabricated with fluorine‐doped carbon dot (FCD) and functionalized metal organic framework (MIL−101−NH2). The novel design reduces unwanted ion crossover while maintaining a sufficient proton transport pathway.
Tan Trung Kien Huynh, Nayanthara P. S., Muhammad Fawad Khan, Tong Yang, Zijian Cai, Saveen Senanayake, Yang Yang, Jiaye Ye, Hongxia Wang   +8 more
wiley   +1 more source

Preparation of Sulfonated Polyarylene Ether Membranes Reinforced with Sulfonated Graphene Oxide as Proton Exchange Membranes in Polymer Electrolyte Fuel Cells [PDF]

Journal of Advanced Materials in Engineering
Introduction and Objectives: This study aimed to develop nanocomposite membranes based on sulfonated poly(arylene ether) (sPAE) and evaluate the effect of incorporating sulfonated graphene oxide (sGO) nanosheets on their physicochemical and ...
Maryam Oroujzadeh, Maryam Jalili Marand
doaj   +1 more source

Benchmark of proton exchange membrane fuel cell parameters extraction with metaheuristic optimization algorithms

Energy, 2019
Proton exchange membrane fuel cell (PEMFC) models are multivariate with different nonlinear elements which should be identified accurately to assure dependable modeling.
M. Kandidayeni, A. Macías, Arash Khalatbarisoltani, L. Boulon, S. Kelouwani   +4 more
semanticscholar   +1 more source