Nanocrystalline Fe60Co20Si10B10 as a cathode catalyst for alkaline water electrolysis: Impact of surface activation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43918227" target="_blank" >RIV/60461373:22310/19:43918227 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0013468619305249?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0013468619305249?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.electacta.2019.03.107" target="_blank" >10.1016/j.electacta.2019.03.107</a>

Result language
angličtina
Original language name
Nanocrystalline Fe60Co20Si10B10 as a cathode catalyst for alkaline water electrolysis: Impact of surface activation
Original language description
Nanocrystalline Fe 60 Co 20 Si 10 B 10 , prepared by ball milling atomised powder, was studied as a hydrogen evolution reaction catalyst for alkaline water electrolysis. Two application-oriented aspects of this material were studied: (i) Surface activation of the catalyst (cyclic voltammetry and leaching in 1 mol dm −3 potassium hydroxide) and (ii) the composition of a catalyst layer (ratio of the amount of catalyst to the polymer binder). Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene with DABCO functional groups (PSEBS-CM-DABCO) was used as an anion-selective binder. The catalytic activity of the material was evaluated by means of Tafel analysis and by recording load curves under alkaline water electrolysis conditions. The results revealed that both activation procedures increase the activity of the Fe 60 Co 20 Si 10 B 10 catalyst by almost 50% compared to as-received material. The most suitable ratio of catalyst to binder was determined as 70:30. The catalyst remained stable and active in the stability test performed. © 2019 Elsevier Ltd
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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