National Repository of Grey Literature 33 records found  beginprevious24 - 33  jump to record: Search took 0.01 seconds. 
Preparation and properties of manganise dioxide studied by EQCM
Špičák, P. ; Novák, V. ; Barath, P. ; Vondrák, Jiří ; Kazelle, J.
We can see a steady decrease both of the depth of the changes in one cycle and the total mass of the electrode, which indicates the termination of the life of the system perhaps due to slow dissolution of manganese oxide layer in the electrolyte.
The LiOH and cobalt influence in Ni(OH)2
Špičák, P. ; Máca, T. ; Sedlaříková, M. ; Vondrák, Jiří ; Kazelle, J.
Lithium hydroxide has a benefical effect on stability of molecular weight Mw. This effect support cobalt influence in active mass.
Studium gelových elektrolytů na bázi PMMA a obsahujících ionty Na+ pomocí nukleární magnetické rezonance
Vognar, J. ; Macalík, M. ; Špičák, P. ; Vondrák, Jiří ; Novák, V. ; Krejza, O. ; Bartušek, Karel
Mixture of liquid MMA and PC displays significantly longer relaxation times T1 and T2 than clear solution of NaClO4 in PC. Possibly reason is that the presence of MMA release solvatation of ions Na+ by propylencarbonate.
Přídavek kobaltu do hydroxidů niklu připravených elektrodeposicí
Vrbický, J. ; Špičák, P. ; Svoboda, V. ; Vondrák, Jiří ; Sedlaříková, M. ; Kazelle, J.
Nickel hydroxide is the basic material for positive electrode of alkaline accumulators as Ni-Cd, Ni-MH and Ni-Fe. The three modification of nickel hydroxide is known, alpha, beta and gama.
Určení rozdílů relaxačních časů T2 u PMMA gelových elektrolytů
Vognar, J. ; Macalík, M. ; Špičák, P. ; Bartušek, Karel ; Novák, V. ; Vondrák, Jiří
T2 relaxation is complex phenomenon, but at its most fundamental level, it corresponds to a decoherence of the transverse nuclear spin magnetization.
Studium gelových elektrolytů na bázi PMMA a obsahujících ionty Na+ pomocí nukleární magnetické rezonance
Vognar, J. ; Macalík, M. ; Špičák, P. ; Vondrák, Jiří ; Novák, V. ; Krejza, O. ; Bartušek, Karel
Mixture of liquid MMA and PC displays significantly longer relaxation times T1 and T2 than clear solution of NaClO4 in PC. Possibly reason is that the presence of MMA release solvatation of ions Na+ by propylencarbonate.
MnO2 studovaný metodou EQCM
Špičák, P. ; Svoboda, V. ; Sedlaříková, M. ; Vondrák, Jiří ; Kazelle, J.
Mass changes of electrodes containing MnO2 during charging and discharging processes were studied using QCMB techniques. The process is accompanied by reversible uptake of water and insertion of H3O+ insted of H+ should be expected.
Electrochromic electrodes investigated by QCB
Špičák, P. ; Svoboda, V. ; Sedlaříková, M. ; Vondrák, Jiří ; Kazelle, J.
The application of crystal quartz ballance for the investifation of intercalation electrodes.
Elektrody pro elektrochromní zařízení studované pomocí EQCM
Špičák, P. ; Svoboda, V. ; Sedlaříková, M. ; Vondrák, Jiří ; Kazelle, J.
The crystal surface with the layer is exposed to the electrolyte in a three-electrode systems, usuallydriven by potentiostat. This frequency change is used for detection ofchemical changes of the electrode surface.This system is very sensitive.

National Repository of Grey Literature : 33 records found   beginprevious24 - 33  jump to record:
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6 Špičák, Pavel
2 Špičák, Petr
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