Results 21 to 30 of about 27,947 (223)

Controlled Patterning of Complex Resistance Gradients in Conducting Polymers with Bipolar Electrochemistry

Advanced Materials Interfaces, 2023
Conducting polymers have gained considerable attention for the possible design of localized electroactive patterns for microelectronics. In this work, the authors take advantage of the properties of polypyrrole, in synergy with a wireless polarization ...
Gerardo Salinas, Serena Arnaboldi, Patrick Garrigue, Alexander Kuhn   +3 more
doaj   +1 more source

In vivo electrochemically-assisted polymerization of conjugated functionalized terthiophenes inside the vascular system of a plant

Electrochemistry Communications, 2022
We investigate the possibility of producing biofuel cell electrode materials in vivo by injecting the reagents directly into plant tissues. We first introduce model electroactive substances Fe(CN)64− and Ru(NH3)63+ into a Nicotiana tabacum leaf.
Julie Pham, Amélie Forget, Nathalie Bridonneau, Giorgio Mattana, Eleni Stavrinidou, Samia Zrig, Benoit Piro, Vincent Noel   +7 more
doaj   +1 more source

Exploring the degradation behavior of MgXAg alloys by in vitro electrochemical methods

Bioactive Materials, 2022
Magnesium as biodegradable biomaterial could serve as bone augmentation material in implant dentistry. The knowledge about the predictability of the biodegradation process is essential as this process needs to go hand in hand with the formation of new ...
Yuqiuhan Zhang, Tycho Zimmermann, Wolf-Dieter Mueller, Frank Witte, Florian Beuer, Andreas Schwitalla   +5 more
doaj   +1 more source

Electrochemistry in media of exceptionally low polarity: Voltammetry with a fluorous solvent [PDF]

Journal of Electroanalytical Chemistry, 2010
This work demonstrates the first cyclic voltammetry in a perfluorocarbon solvent without use of a cosolvent. The novel electrolyte tetrabutylammonium tetrakis[3,5-bis(perfluorohexyl)phenyl]borate (NBu(4)BArF(104); 80 mM) allows for voltammetry of ferrocene in perfluoro(methylcyclohexane) by lowering the specific resistance to Ω268 k cm at 20.8 °C ...
Paul G. Boswell, Bradley L. Givot, Letitia J. Yao, Eric J. Olson, Philippe Bühlmann   +4 more
openaire   +3 more sources

Research progress in anodic hydrogen evolution of magnesium electrochemistry corrosion

Cailiao gongcheng, 2020
High chemical activity and unique electrochemical behaviour are responsible for the complicated corrosion mechanism of magnesium. Importantly, the anodic hydrogen evolution on Mg electrodes when applied anodic polarization is one of the greatest ...
LIU Yu-xiang, ZHU Sheng, HAN Bing-yuan
doaj   +1 more source

Investigation of effect of electrode polarity on electrochemistry and magnetohydrodynamics using tertiary current distribution in electroslag remelting process [PDF]

Journal of Iron and Steel Research International, 2021
AbstractTransport phenomena including the electromagnetic, concentration of ions, flow, and thermal fields in the electroslag remelting (ESR) process made of slag, electrode, air, mold, and melt pool are computed considering tertiary current distribution. Nernst–Planck equations are solved in the bulk of slag, and faradaic reactions are regarded at the
Karimi-Sibaki, Ebrahim, Kharicha, Abdellah, Vakhrushev, Dmitrii, Wu, Menghuai, Ludwig, Andreas, Boháček, Jan   +5 more
openaire   +2 more sources

Wireless magneto-ionics: voltage control of magnetism by bipolar electrochemistry

Nature Communications, 2023
Modulation of magnetic properties through voltage-driven ion motion and redox processes, i.e., magneto-ionics, is a unique approach to control magnetism with electric field for low-power memory and spintronic applications. So far, magneto-ionics has been
Zheng Ma, Laura Fuentes-Rodriguez, Zhengwei Tan, Eva Pellicer, Llibertat Abad, Javier Herrero-Martín, Enric Menéndez, Nieves Casañ-Pastor, Jordi Sort   +8 more
doaj   +1 more source

Microbiologically influenced corrosion inhibition of carbon steel via biomineralization induced by Shewanella putrefaciens

npj Materials Degradation, 2021
Microbiologically influenced corrosion inhibition (MICI) of Q235 carbon steel by biomineralization was investigated via a combination of surface analysis, electrochemistry, and scanning electrochemical microscopy (SECM).
Yuntian Lou, Weiwei Chang, Tianyu Cui, Hongchang Qian, Luyao Huang, Lingwei Ma, Xiangping Hao, Dawei Zhang   +7 more
doaj   +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

Effect of chemically modified Vulcan XC-72R on the performance of air-breathing cathode in a single-chamber microbial fuel cell [PDF]

, 2010
The catalytic activity of modified carbon powder (VulcanXC-72R) for oxygen reduction reaction (ORR) in an air-breathingcathode of amicrobialfuelcell (MFC) has been investigated.
Duţeanu, Narcis Mihai, Erable, Benjamin, Ghangrekar, Makarand Madhao, Kumar, S.M. Senthil, Scott, Keith   +4 more
core   +1 more source