Results 31 to 40 of about 32,428 (162)

Effect of reduced graphene oxide (rGO) in chitosan/Pahae natural zeolite-based polymer electrolyte membranes for direct methanol fuel cell (DMFC) applications

Materials Science for Energy Technologies, 2023
The use of electrolyte membranes for fuel cell applications has grown rapidly, and one of the materials often developed is chitosan. In this study, polymer electrolyte membranes were successfully produced using chitosan and Pahae natural zeolite with the
Yuan Alfinsyah Sihombing, Susilawati, Siti Utari Rahayu, Masnita Desy Situmeang   +3 more
doaj   +1 more source

Simultaneously Promoting Proton Conductivity and Mechanical Stability of SPEEK Membrane by Incorporating Porous g–C₃N₄

Membranes
Proton exchange membranes are widely used in environmentally friendly applications such as fuel cells and electrochemical hydrogen compression. In these applications, an ideal proton exchange membrane should have both excellent proton conductivity and ...
Xiaoyao Wang, Benbing Shi
doaj   +1 more source

Effects of Concentration of Organically Modified Nanoclay on Properties of Sulfonated Poly(vinyl alcohol) Nanocomposite Membranes

International Journal of Electrochemistry, 2011
Electrolyte nanocomposite membranes for proton exchange membrane fuel cells and direct methanol fuel cells were prepared by carrying out a sulfonation of poly(vinyl alcohol) with sulfosuccinic acid and adding a type of organically modified ...
Apiradee Sanglimsuwan, Narumon Seeponkai, Jatuphorn Wootthikanokkhan   +2 more
doaj   +1 more source

Preparation and Proton Exchange Properties of GO Grafting modified Cross-linked Membranes

International Journal of Electrochemical Science, 2018
The cross-linked membranes were prepared with DS 68% SPEEK and epoxy resin. Sulfonated graphite oxide was grafted into SPEEK main bonds to study the sulfonic acid groups on the impact of proton exchange properties. Using solartron electrochemical testing
Zhengping Zhao, Chenyu Pan, Guojun Jiang, Mingqiang Zhong, Benhua Fei   +4 more
doaj   +1 more source

Construction of Chemically Crosslinked Sulfonated Poly(aryl ether ketone) Networks for Polymer Electrolyte Membranes

Energies
Polymer electrolyte membranes serving in proton exchange membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs) must possess sufficient mechanical–dimensional stability and excellent proton conducting capacity.
Zhenchao Liu, Bing Liang, Zizhen Xie, Wei Hu, Baijun Liu   +4 more
doaj   +1 more source

Novel composite Nafion membranes modified with copper phthalocyanine tetrasulfonic acid tetrasodium salt for fuel cell application

Journal of Materiomics, 2019
In this paper, Nafion membrane was firstly modified by copper phthalocyanine tetrasulfonic acid tetrasodium salt (CuTSPc) to prepare the Nafion/CuTSPc-x composite membranes.
Yanan Wei, Tianhua Qian, Jiawen Liu, Xaojing Guo, Qiaojuan Gong, Zhaorong Liu, Binglun Tian, Jinli Qiao   +7 more
doaj   +1 more source

Incorporation of multilayered double hydroxides/sepiolite augments proton conductivity performance in low sulfonated polyether sulfone octyl sulfonamide

Materials for Renewable and Sustainable Energy
Low-sulfonation-level polyether sulfone octyl sulfonamide (LSPSO) was blended with a layered double hydroxides (LDHs, Mg2AlCl)/sepiolite nanostructure clay as a filler to create an electrolyte membrane for fuel cell applications.
khaled Charradi, Walid Mabrouk, Imen Ben Kacem, Nizar Bellakhal, Youssef O. Al-Ghamdi, Riadh Marzouki, Sherif M. A. S. Keshk   +6 more
doaj   +1 more source

Fabrication and Characterization of Sulfonated Polysulfone Membrane with Different Thicknesses for Proton Exchange Membrane Fuel Cell

Engineering Perspective
Membranes play a critical role in the performance of proton exchange membrane fuel cells. Membrane thicknesses have positive and negative effects on the characteristics of proton exchange membranes.
İrem Tanış, Turan Alp Arslan, Tolga Kocakulak, Gülşen Taşkın, Tuğba Tabanlıgil Calam, Hamit Solmaz   +5 more
doaj   +1 more source

Immobilisation and Release of Radical Scavengers on Nanoclays for Chemical Reinforcement of Proton Exchange Membranes

Membranes, 2020
Mechanical and chemical stability of proton exchange membranes are crucial requirements for the development of fuel cells for durable energy conversion. To tackle this challenge, bi-functional nanoclays grafted with amino groups and with embedded radical
Alia Akrout, Aude Delrue, Marta Zatoń, Fanny Duquet, Francesco Spanu, Mélanie Taillades-Jacquin, Sara Cavaliere, Deborah Jones, Jacques Rozière   +8 more
doaj   +1 more source

Preparation and Properties of SeO2 and PWA Binary Compound Doped SPEEK Proton Exchange Membranes

International Journal of Electrochemical Science, 2018
Herein, we prepared proton exchange membranes by adding SeO2 and phospho-wolframic acid (PWA) into DS 85 wt% sulfonated polyether ether ketone (SPEEK). The result indicates that their proton conductivity is increasing without decrease of their methanol ...
Zhicai He, Zhengping Zhao, Chenyu Pan, Lixin Xue, Mingqiang Zhong   +4 more
doaj   +1 more source