Results 1 to 10 of about 14,368 (203)

Carbon electrode sensitivity enhancement for lead detection using polypyrrole, ionic liquid, and nafion composite

Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2022
This paper concerns enhancing a lead detection sensor using a combination of polypyrrole (PPy), Nafion (N), and ionic liquid (IL) with thick-film or screen-printing technology on sensitive material-based carbon electrodes.
Zanu Saputra, Robeth Viktoria Manurung, Aminuddin Debataraja, Muhammad Iqbal Nugraha, Tien-Fu Lu   +4 more
doaj   +1 more source

Smart Devices Based on the Soft Actuator with Nafion-Polypropylene-PDMS/Graphite Multilayer Structure

Applied Sciences, 2020
The demand for multi-functional soft actuators with simple fabrication and fast response to multiple stimuli is increasing in the field of smart devices.
Yao Wei, Shihao Li, Xiaofan Zhang, Yanjun Fu, Kejian Chen   +4 more
doaj   +1 more source

Development and Application of Supported Ionic Liquid Membranes in Microbial Fuel Cell Technology: A Concise Overview

Membranes, 2020
Membrane separators are key elements of microbial fuel cells (MFCs), especially of those constructed in a dual-chamber configuration. Until now, membranes made of Nafion have been applied the most widely to set-up MFCs.
Péter Bakonyi, László Koók, Tamás Rózsenberszki, Gábor Tóth, Katalin Bélafi-Bakó, Nándor Nemestóthy   +5 more
doaj   +1 more source

Application of commercial poly(3,4-ethylenedioxy-thiophene):poly(styrene sulfonate) for electrochemical sensing of dopamine [PDF]

Journal of the Serbian Chemical Society, 2013
In this paper, a simple and stable composite electrode based on intrinsically conducting polymer poly(3,4-ethylenedioxythiophene):poly(sty-renesulfonate) (PEDOT:PSS) and ion-exchange polymer Nafion, was successfully fabricated by drop-coating the ...
Yao Yuanyuan, Wen Yangping, Xu Jingkun, Zhang Long, Duan Xuemin   +4 more
doaj   +1 more source

High-current density alkaline electrolyzers: The role of Nafion binder content in the catalyst coatings and techno-economic analysis

Frontiers in Chemistry, 2022
We report high-current density operating alkaline (water) electrolyzers (AELs) based on platinum on Vulcan (Pt/C) cathodes and stainless-steel anodes. By optimizing the binder (Nafion ionomer) and Pt mass loading (mPt) content in the catalysts coating at
Marilena Isabella Zappia, Sebastiano Bellani, Yong Zuo, Michele Ferri, Filippo Drago, Liberato Manna, Francesco Bonaccorso   +6 more
doaj   +1 more source

Effect of environmental condition on essential work of fracture of proton exchange membranes

Mechanical Engineering Journal, 2015
The essential work of fracture (EWF) is a key property in understanding the fracture resistance in polymer membranes. As such, it is a promising approach when investigating the fracture resistance of proton exchange membrane in fuel cells.
Thibaud VERMOT DES ROCHES, Yuki ARAI, Masaki OMIYA   +2 more
doaj   +1 more source

The Effect of Direct Electron Beam Patterning on the Water Uptake and Ionic Conductivity of Nafion Thin Films

Advanced Electronic Materials, 2023
The effect of electron‐beam patterning on the water uptake and ionic conductivity of Nafion films using a combination of X‐ray photoelectron spectroscopy, quartz crystal microbalance studies, neutron reflectometry, and impedance spectroscopy is reported.
Ky V. Nguyen, Jan G. Gluschke, A. Bernardus Mostert, Andrew Nelson, Gregory Burwell, Roman W. Lyttleton, Hamish Cavaye, Rebecca J.L. Welbourn, Jakob Seidl, Maxime Lagier, Marta Sanchez Miranda, James D. McGettrick, Trystan Watson, Paul Meredith, Adam P. Micolich   +14 more
doaj   +1 more source

A New Redox Mediator (Cupric‐Neocuproine Complex)‐ Modified Pencil Graphite Electrode for the Electrocatalytic Oxidation of H2O2: A Flow Injection Amperometric Sensor

ChemElectroChem, 2020
This paper introduces the cupric‐neocuproine complex ([Cu(Nc)2]2+) as a new redox mediator for the electrocatalytic oxidation of H2O2. For this purpose, [Cu(Nc)2]2+ was modified onto a disposable pencil graphite electrode (PGE) surface by using Nafion ...
Gamze Emir, Dr. Yusuf Dilgin, Dr. Reşat Apak   +2 more
doaj   +1 more source

Composite Nafion Membranes with CaTiO_3−δ Additive for Possible Applications in Electrochemical Devices

Membranes, 2019
A composite membrane based on a Nafion polymer matrix incorporating a non-stoichiometric calcium titanium oxide (CaTiO3−δ) additive was synthesized and characterized by means of thermal analysis, dynamic mechanical analysis, and broadband ...
Lucia Mazzapioda, Maria Assunta Navarra, Francesco Trequattrini, Annalisa Paolone, Khalid Elamin, Anna Martinelli, Oriele Palumbo   +6 more
doaj   +1 more source

A Functionalized Tetrakis(4-Nitrophenyl)Porphyrin Film Optical Waveguide Sensor for Detection of H2S and Ethanediamine Gases

Sensors, 2017
The detection of hydrogen sulfide (H2S) and ethanediamine, toxic gases that are emitted from industrial processes, is important for health and safety.
Gulimire Tuerdi, Nuerguli Kari, Yin Yan, Patima Nizamidin, Abliz Yimit   +4 more
doaj   +1 more source