About: Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An overview of possible mechanisms by which sonication can influence electrochemical processes is given. Four mechanisms are discussed: - acoustic streaming; - microstreaming and turbulence due to cavitation; - formation of microjets in the course of collapse of cavitation bubble; - shock waves; and possible effects are illustrated on several examples. The most effective process is formation of microjets, which can not only decrease diffusion layer thickness under 1 mu m, but also activate (depassivate) electrode surface. Design of experimental arrangement with maximum participation of microjets is proposed. Two approaches are proposed: - focusing of ultrasound on the working electrode and reduction of energy losses by over-pressure; -%22tuning%22 the reactor to obtain resonance, i.e. formation of stationary waves by activating reactor in its resonant mode. (C) 2010 Elsevier B. V. All rights reserved. An overview of possible mechanisms by which sonication can influence electrochemical processes is given. Four mechanisms are discussed: - acoustic streaming; - microstreaming and turbulence due to cavitation; - formation of microjets in the course of collapse of cavitation bubble; - shock waves; and possible effects are illustrated on several examples. The most effective process is formation of microjets, which can not only decrease diffusion layer thickness under 1 mu m, but also activate (depassivate) electrode surface. Design of experimental arrangement with maximum participation of microjets is proposed. Two approaches are proposed: - focusing of ultrasound on the working electrode and reduction of energy losses by over-pressure; -%22tuning%22 the reactor to obtain resonance, i.e. formation of stationary waves by activating reactor in its resonant mode. (C) 2010 Elsevier B. V. All rights reserved. (en)
Title	Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement (en)
skos:prefLabel	Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement (en)
skos:notation	RIV/61388955:_____/11:00377706!RIV13-AV0-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1P05OC074), P(LC510), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Klíma, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	186877
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00377706
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sonoelectrochemistry; mechanism of sonochemical effect; microjets (en)
http://linked.open.../riv/klicoveSlovo	mechanism of sonochemical effect microjets sonoelectrochemistry
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[829F9AA220B5]
http://linked.open...i/riv/nazevZdroje	Ultrasonics
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Sonoelectrochemistry - physical aspects and application in molecular electrochemistry
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	51
http://linked.open...iv/tvurceVysledku	Klíma, Jiří
http://linked.open...ain/vavai/riv/wos	000284400900013
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0041-624X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.ultras.2010.08.004
is http://linked.open...avai/riv/vysledek of	Application of ultrasound in electrochemistry. An overview of mechanisms and design of experimental arrangement

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