Results 11 to 20 of about 128 (103)
Effects of a perpendicular ultrasonic field on planar and porous electrodes for hydrogen production in alkaline conditions [PDF]
Ultrasonics SonochemistryAmong water electrolysis systems, alkaline water electrolysers (AWE) are promising for large-scale hydrogen production due to their cost-effective nickel (Ni) electrodes.
Jérémy Gravelle +4 more
doaj +2 more sources
Boosting effect of ultrasonication on the oxygen evolution reaction during zinc electrowinning [PDF]
Ultrasonics SonochemistryIn this study, the electrochemical and anodic behaviors of Pb-Ag anodes during ultrasound-assisted zinc electrowinning were meticulously examined. The oxygen evolution reaction (OER) occurring at the Pb-Ag anodes in a 150 g L-1 aqueous H2SO4 solution was
Guihong Han +6 more
doaj +2 more sources
Sonoelectrochemistry for energy and environmental applications
Ultrasonics Sonochemistry, 2020 Sonoelectrochemistry is the study of the effects and applications of ultrasonic waves on electrochemical processes. The integration of ultrasound and electrochemistry offers many advantages: fast reaction rates, enhanced surface activation, and increased mass transport at an electrode.
Jayaraman Theerthagiri +2 more
exaly +3 more sources
Sonoelectrochemistry: Ultrasound-assisted Organic Electrosynthesis
ACS Sustainable Chemistry and Engineering, 2021 The application of ultrasound with electrochemistry in organic chemistry (known as organic sonoelectrochemistry) accelerates the activation process of chemical reactions. This hybrid technology enhances electrical efficiency and modifies and increases the product yield. Moreover, it facilitates the mass transfer phenomena and the processes of cleaning,
Jessica Oliveira De Brito Lira +2 more
exaly +2 more sources
Sonoelectrochemistry – the application of ultrasound to electrochemical systems [PDF]
ARKIVOC, 2002 This paper comprises the text of a review lecture on the subject of the effects of ultrasound upon mass transport, upon electrode surface phenomena, upon the behaviour of species and upon reaction mechanisms, and selected examples of the benefits of insonation in electroanalysis, electrosynthesis, electrodeposition and electrochemiluminescence are ...
David J. Walton
doaj +2 more sources
Synthesis of tungsten nanoparticles by sonoelectrochemistry
Ultrasonics Sonochemistry, 2007 Tungsten nanoparticles have been synthesized by the sonoelectrochemical method. The electrolyte contained the tri-sodium citrate, sodium tungstate, ferrous sulphate, and citric acid. A platinum slice was used as the anode and a titanium-alloy horn as the cathode.
H, Lei +5 more
exaly +3 more sources
Preparation of stable suspensions of gold nanoparticles in water by sonoelectrochemistry [PDF]
Ultrasonics Sonochemistry, 2008 Stable suspensions of gold nanoparticles in water were prepared with high yield by a novel one-step ultrasound assisted electrochemical process. Various strategies based on the addition of either tailor-made polymers or mixtures of commercially available polymers, in the electrochemical bath have been found successful to avoid nanoparticles aggregation
Christine Jérôme
exaly +3 more sources
A Short Introduction to Sonoelectrochemistry
Electrochemical Society Interface, 2018 By definition, sonication or more accurately ultrasonication is the application of vibrational energy in the ultrasonic frequency range of (20 kHz–1 MHz) to efficiently mix aqueous solutions and suspensions [1].
Bruno G Pollet
exaly +2 more sources
Sonoelectrochemistry in Highly Resistive Media:Mass Transport Effects
Electroanalysis, 1998 Sonovoltammetry methodology is studied for the enhancement of electrochemical processes in highly resistive media. As model systems the reduction of [FeCp*2]PF6 (with Cp* = η5–C5Me5) and the oxidation of FeCp*2 in acetonitrile are examined at a 25 μm diameter Pt microdisk electrode.
Frank Marken +2 more
exaly +3 more sources
Calcium phosphate powder synthesis by out-of-phase pulsed sonoelectrochemistry
Ultrasonics Sonochemistry, 2019 High aspect ratio calcium phosphate (CaP) nanorods were achieved by out-of-phase pulsed sonoelectrodeposition from electrolytic aqueous bath composed of calcium nitrate, ammonium dihydrogenophosphate and surfactant at pH of 4.9. The nature of CaP phases was determined by powder X-ray diffraction (PXRD), Fourier transform infrared spectroscopy (FTIR ...
Anne-Lise Daltin, Jean-Paul Chopart
exaly +4 more sources