Performance of a PEM water electrolyser using a TaC-supported iridium oxide electrocatalyst

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F14%3A43897732" target="_blank" >RIV/60461373:22310/14:43897732 - isvavai.cz</a>
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0360319913030206" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0360319913030206</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ijhydene.2013.12.085" target="_blank" >10.1016/j.ijhydene.2013.12.085</a>

Result language
angličtina
Original language name
Performance of a PEM water electrolyser using a TaC-supported iridium oxide electrocatalyst
Original language description
Polymer electrolyte membrane (PEM) water el ectrolysis is an attra ctive way of producing carbon-free hydrogen. One of the drawbac ks of this method is the need for precious metalbased electrocatalysts. This calls for a highly efficient utilization of the precious metal, which can be obtained by dispersi ng the precious meta l compound onto a catalyst support. Electrocatalysts with 50, 70 and 90 wt.% of IrO2 on a TaC support were tested in a laboratory PEM water electrolyser and compared with pure IrO2.The temperature was set at 90, 110, 120 and 130 C respectively and the cell voltage was varied between 1.4 and 1.8 V. The load characteristics and electrochemical impedance spectra were obtained and compared for a range of electrocatalysts. The highestcurrent densities and the lowest charge transfer and cell resistances were found for the 70 wt.% IrO2 electrocatalyst. By contrast, the pure IrO2 electrocatalyst showed the lowest current densities and the highest charge transfer and cell
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CG - Electrochemistry
OECD FORD branch
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Project
<a href="/en/project/FR-TI2%2F442" target="_blank" >FR-TI2/442: Research and development of advanced hydrogen technologies for power industry and transport</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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