National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Study of elektrode materials based on manganese dioxide
Kos, Lukáš ; Dvořák, Petr (referee) ; Novák, Vítězslav (advisor)
This work deals with the production and use of catalytic materials in fuel cells. The basic focus of work is the production of samples of catalytic materials based on manganese dioxide-enriched mixtures of different dopants. Samples subsequently made to measure, compare with other samples and determine whether the samples are enriched with dopants better than samples without dopant. According to information received, then determine whether they are suitable for use in fuel cells.
Study of elektrode materials based on manganese dioxide
Kos, Lukáš ; Dvořák, Petr (referee) ; Novák, Vítězslav (advisor)
This work deals with the production and use of catalytic materials in fuel cells. The basic focus of work is the production of samples of catalytic materials based on manganese dioxide-enriched mixtures of different dopants. Samples subsequently made to measure, compare with other samples and determine whether the samples are enriched with dopants better than samples without dopant. According to information received, then determine whether they are suitable for use in fuel cells.
Rotating disk electrode for measuring electrocatalyst materials
Vondrák, Jiří ; Sedlaříková, M. ; Coural, D.
In this work we investigated the oxygen reduction on various catalytic materials by means of the rotating disc electrode (RDE). Potentiostat AUTOLAB and the RDE Orion were used for this work. Electrodes made of Pt, Au, Ag and GC (glassy carbon) served or testing electrocatalytic materials in 2M KOH. Rotation speed varied from 3000 to 600 rpm with in lineraly distributed nine steps.

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