About: Direct evidence of concentration and potential profiles in the electrolyte diode     Goto   Sponge   NotDistinct   Permalink

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Description
  • Electrolyte diode is an electrochemical microsystem showing complex nonlinear behaviour due to interactions of diffusion, migration and chemical reactions. In our recent works we have developed a mathematical model of the electrolyte diode which predicted steep concentration and potential profiles on a spatial interval of several micrometers in the closed mode. The main aim of this work is the experimental verification of the concentration and potential profiles predicted by the model. In this work two techniques for direct observation of spatial concentration and potential profiles in the electrolyte diode are presented. Two different methods were used: (i) visualization of the acid-base boundary using acid-base indicators and (ii) direct measurements of electric potential profiles using the array of microelectrodes. As the presence of an indicator changes the properties of the system, there is a good agreement between modelling and experimental results only at relatively low values of external poten
  • Electrolyte diode is an electrochemical microsystem showing complex nonlinear behaviour due to interactions of diffusion, migration and chemical reactions. In our recent works we have developed a mathematical model of the electrolyte diode which predicted steep concentration and potential profiles on a spatial interval of several micrometers in the closed mode. The main aim of this work is the experimental verification of the concentration and potential profiles predicted by the model. In this work two techniques for direct observation of spatial concentration and potential profiles in the electrolyte diode are presented. Two different methods were used: (i) visualization of the acid-base boundary using acid-base indicators and (ii) direct measurements of electric potential profiles using the array of microelectrodes. As the presence of an indicator changes the properties of the system, there is a good agreement between modelling and experimental results only at relatively low values of external poten (en)
  • V práci jsou prezentovány naměřené profily elektrického potenciálu a vizualizované koncentrační profily (pomocí acidobazických indikátorů) v elektrolytické diodě. Experimentální výsledky jsou porovnány s předpovědí matem. modelu. (cs)
Title
  • Direct evidence of concentration and potential profiles in the electrolyte diode
  • Direct evidence of concentration and potential profiles in the electrolyte diode (en)
  • Experimentální důkaz koncentračních a potenciálových profilů v elektrolytické diodě (cs)
skos:prefLabel
  • Direct evidence of concentration and potential profiles in the electrolyte diode
  • Direct evidence of concentration and potential profiles in the electrolyte diode (en)
  • Experimentální důkaz koncentračních a potenciálových profilů v elektrolytické diodě (cs)
skos:notation
  • RIV/60461373:22340/08:00020628!RIV09-MSM-22340___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP104/03/D005), Z(MSM6046137306)
http://linked.open...iv/cisloPeriodika
  • S1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 363732
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22340/08:00020628
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • electrolyte diode; electrochemical microsystems; acid-base equilibria (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV
  • [663D72B15E7D]
http://linked.open...i/riv/nazevZdroje
  • Chemical Engineering Journal
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 135
http://linked.open...iv/tvurceVysledku
  • Slouka, Zdeněk
  • Svoboda, Miloš
  • Šnita, Dalimil
  • Lindner, Jiří
http://linked.open...ain/vavai/riv/wos
  • 000251708300032
http://linked.open...n/vavai/riv/zamer
issn
  • 1385-8947
number of pages
http://localhost/t...ganizacniJednotka
  • 22340
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