Results 21 to 30 of about 32,428 (162)

Effect of TiO₂ and Al₂O₃ Addition on the Performance of Chitosan/Phosphotungstic Composite Membranes for Direct Methanol Fuel Cells

Membranes, 2023
Composite chitosan/phosphotungstic acid (CS/PTA) with the addition of TiO2 and Al2O3 particles were synthesized to be used as proton exchange membranes in direct methanol fuel cells (DMFCs). The influence of fillers was assessed through X-ray diffraction,
Andrea Zaffora, Elena Giordano, Valentina Maria Volanti, Leonardo Iannucci, Sabrina Grassini, Irene Gatto, Monica Santamaria   +6 more
doaj   +1 more source

Sulfonyl Imide Acid-Functionalized Membranes via Ni (0) Catalyzed Carbon-Carbon Coupling Polymerization for Fuel Cells

Membranes, 2021
Polymer membranes, having improved conductivity with enhanced thermal and chemical stability, are desirable for proton exchange membranes fuel cell application.
Sabuj Chandra Sutradhar, Sujin Yoon, Taewook Ryu, Lei Jin, Wei Zhang, Hohyoun Jang, Whangi Kim   +6 more
doaj   +1 more source

Advances in perfluorosulfonic acid-based proton exchange membranes for fuel cell applications: A review

Chemical Engineering Journal Advances, 2022
: Among all fuel cells, proton exchange membrane fuel cells (PEMFCs) are appealing energy conversion devices in portable and transportation applications because of their higher efficiency, excellent ability to reduce air pollution, lightweight ...
Tushar Kanti Maiti, Jitendra Singh, Prakhar Dixit, Jagannath Majhi, Sakchi Bhushan, Anasuya Bandyopadhyay, Sujay Chattopadhyay   +6 more
doaj   +1 more source

Electrochemical Properties of Poly(aminobenzene sulfonic)phosphazene Derivative Grafted SPEEK Proton Exchange Membrane

International Journal of Electrochemical Science, 2015
A type of poly(aminobenzene sulfonic)phosphazene derivative grafted SPEEK was synthesized which were confirmed by FT-IR and NMR analysis. And a series of grafted SPEEK proton exchange membranes with 65% sulfonation degree were prepared.
Zhengping Zhao, Zeping Zhou, J.I. Jianbing, Fang Xie   +3 more
doaj   +1 more source

Enhanced Performance of Polymer Electrolyte Membranes via Modification with Ionic Liquids for Fuel Cell Applications

Membranes, 2021
The polymer electrolyte membrane (PEM) is a key component in the PEM fuel cell (PEMFC) system. This study highlights the latest development of PEM technology by combining Nafion® and ionic liquids, namely 2–Hydroxyethylammonium Formate (2–HEAF) and ...
Jonathan Teik Ean Goh, Ainul Rasyidah Abdul Rahim, Mohd Shahbudin Masdar, Loh Kee Shyuan   +3 more
doaj   +1 more source

Electrochemical Properties of SPEEK/Epoxy Semi-interpenetrating Network Composites as Proton Exchange Membrane

International Journal of Electrochemical Science, 2018
The DS 68% SPEEK composite membranes with were prepared by post-sulfonation. Using diethylenetriamine as the epoxy cross-linking agent, which is uniformly distributed in SPEEK, to form SPEEK/epoxy semi-interpenetrating network structure and explore the ...
Zhengping Zhao, Chenyu Pan, Lixin Xue, Guojun Jiang, Mingqiang Zhong, Benhua Fei   +5 more
doaj   +1 more source

Surface-charged polyacrylonitrile/poly(vinyl alcohol) (PAN/PVA) colloids used to prepare proton conducting materials [PDF]

Journal of the Serbian Chemical Society, 2010
Proton exchange membranes exhibiting a well-organized structure were successfully prepared by a novel self-assembling technique using surface-charged latex nanoparticles as building blocks.
JIANDONG GAO, ZHIGANG MA, JING GUO, YONGJIAN HUAI, ZHENGHUA DENG, JISHUAN SUO   +5 more
doaj  

Enhanced proton conductivity of sulfonated poly(ether ether ketone) incorporating oxidized polyvinyl alcohol for high-performance proton exchange membranes

Materials for Renewable and Sustainable Energy
Alternative proton exchange membranes (PEMs) with high proton conductivity must be fabricated at reasonable costs to qualify as commercially used proton-exchange membrane fuel cells (PEMFCs).
Mohamed A. Ben Ali, Mohamed A. Ben Moussa, Souhib Umer Ilyas, Rizwan Nasir, Dorra Ghorbel, Sherif M. A. S. Keshk   +5 more
doaj   +1 more source

Ionomer Membranes Produced from Hexaarylbenzene-Based Partially Fluorinated Poly(arylene ether) Blends for Proton Exchange Membrane Fuel Cells

Membranes, 2022
In this study, a series of high molecular weight ionomers of hexaarylbenzene- and fluorene-based poly(arylene ether)s were synthesized conveniently through condensation and post-sulfonation modification.
Tzu-Sheng Huang, Hsin-Yi Wen, Yi-Yin Chen, Po-Hao Hung, Tung-Li Hsieh, Wen-Yao Huang, Mei-Ying Chang   +6 more
doaj   +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