Počet záznamů: 1
Ru rich Ru-Mn-O phases for selective suppression of chlorine evolution in sea water electrolysis
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SYSNO ASEP 0576521 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Ru rich Ru-Mn-O phases for selective suppression of chlorine evolution in sea water electrolysis Tvůrce(i) Astudillo, Catalina (UFCH-W)
Minhová Macounová, Kateřina (UFCH-W) RID, ORCID
Frandsen, A. M. (DK)
Nebel, Roman (UFCH-W) RID, ORCID
Rossmeisl, J. (DK)
Krtil, Petr (UFCH-W) RID, ORCIDČíslo článku 143295 Zdroj.dok. Electrochimica acta. - : Elsevier - ISSN 0013-4686
Roč. 470, DEC 2023 (2023)Poč.str. 11 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova oxygen evolution reaction ; chlorine evolution reaction ; selectivity ; electrolysis ; oxide anode Vědní obor RIV CF - Fyzikální chemie a teoretická chemie Obor OECD Physical chemistry CEP GA21-03037S GA ČR - Grantová agentura ČR LM2018124 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Způsob publikování Omezený přístup Institucionální podpora UFCH-W - RVO:61388955 UT WOS 001094826900001 EID SCOPUS 85174000405 DOI 10.1016/j.electacta.2023.143295 Anotace Limits of steering selectively gas evolving reaction on Ru rich oxide phases in Ru-Mn-O system were investigated by combined theoretical and experimental approach. Ru1-xMnxO2 materials of single phase nature conforming to the rutile structure were prepared by the spray freeze - freeze drying approach and tested for activity in oxygen and chlorine evolution reactions. The overall electrocatalytic activity of the prepared materials increases with increasing Mn content. In this manner also increases the selectivity towards oxygen evolution in acidic chloride containing solutions. Closer analysis shows that the amount of evolved oxygen (for a given electrode material) is practically independent of the chloride concentration. This is illustrated by the order of the oxygen evolution reaction with respect to chloride concentration being close to 0 in the whole range of the prepared Ru-Mn-O phases. The high selectivity towards oxygen evolution reaction coincides with low tendency of Ru-Mn-O phases to evolve oxygen via lattice oxygen activation (LOER). The experimental behavior is further confirmed by DFT analysis of the reactivity of the Ru-Mn-O surfaces. Pracoviště Ústav fyzikální chemie J.Heyrovského Kontakt Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Rok sběru 2024 Elektronická adresa https://hdl.handle.net/11104/0346078
Počet záznamů: 1