Results 51 to 60 of about 26,885 (272)
Development and characterization of sulfonated polysulfone membrane for proton exchange membrane fuel cell (PEMFC) [PDF]
, 2004 Sulfonated polysulfone membranes with varying degree of sulfonation have been successfully synthesized by electrophilic substitution via sulfonation process in this study.
Naim, Rosmawati
core
Advanced Functional Materials, EarlyView.In the work reported herein, dipole‐engineered sulfonated carbon nanofibers enable conductive additives to actively regulate interphase formation in silicon anodes. Polar sulfonyl groups guide electrolyte decomposition to form a compact LiF‐rich interphase while promoting robust integration with silicon.
Song Kyu Kang +6 more
wiley +1 more source
Polysulfone with Different Degrees of Sulfonation: Simple Method with Acetyl Sulfate
Orbital: The Electronic Journal of ChemistryIn this work, the authors present as an innovation, the homogeneous sulfonation of Udel® polysulfone (PSU) with acetylsulfate (ACS) under reflux at 45°C in dichloromethane and inert N2 atmosphere (g) for 1.5 h.
Altamiro Xavier de Souza +9 more
doaj +1 more source
Bulletin of Chemical Reaction Engineering & Catalysis, 2022 Solid acid catalyst is a promising alternative to the counterpart homogeneous acid for esterification reaction from the viewpoint of reusability and environmental concerns.
Shofiyya Julaika +3 more
doaj +1 more source
Effects of sulfonation process on thermal behavior and microstructure of sulfonated polysulfone membranes as a material for Proton Exchange Membrane (PEM) [PDF]
, 2004 This paper reports the effect of sulfonation processon thermal behavior and microstrucutre of sulfonated polysulfone membrane. Various degree of sulfonation reactin has been conducted and the sulfonated membranes were characterized by thermal gravimetric
Ismail, A. F., Naim, R., Saidi, H.
core
Preparation of Sulfonated Poly (Ethylene-co-tetrafluoroethylene-graft-styrene) Based Polymer Electrolyte Membranes for Fuel Cell by Using Gamma Irradiation Technique [PDF]
, 2012 Poly (ethylene-co-tetrafluoroethylene-graft-styrene-sulfonate) was successfully prepared by irradiation grafting of a styrene monomer into ethylenetetrafluoro-ethylene (ETFE) films and followed by sulfonation of the graft chains. Five film sheets of ETFE
Suliwarno, A. (A)
core +3 more sources
Advanced Materials Interfaces, EarlyView.Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins +8 more
wiley +1 more source
Phase Behavior of Melts of Diblock-Copolymers with One Charged Block [PDF]
, 2019 In this work we investigated the phase behavior of melts of block-copolymers with one charged block by means of dissipative particle dynamics with explicit electrostatic interactions.
Chertovich, Alexander V. +2 more
core +2 more sources
Advanced Science, EarlyView.Leveraging the multidimensional self‐catalytic merits of the alkali‐polyphenol synergistic self‐catalytic platform, this work delineates the intrinsic mechanism governing the regulation of hydrogel properties and puts forward an innovative design paradigm for frost‐tolerant electrode materials, providing critical scientific insights and technical ...
Mengting Zhou +10 more
wiley +1 more source
Electrochemical and structural characterization of sulfonated polysulfone [PDF]
, 2015 We describe the synthesis, as well as the electrochemical and structural characterization, of sulfonated polysulfone intended for use in PEM fuel cells. Starting from a commercial polysulfone, we assessed the performance of these prepared ionomers using ...
Levenfeld Laredo, Belén +3 more
core +2 more sources