| Title: | ORR stability of Mn–Co/polypyrrole nanocomposite electrocatalysts studied by quasi in-situ identical-location photoelectron microspectroscopy |
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| Authors: | ID Bocchetta, Patrizia, Dipartimento di Ingegneria dell´Innovazione, Università del Salento, via Monteroni, 73100 Lecce, Italy (Author)
ID Aleman, Belen, b Dpto. Superficies, Recubrimientos y Astrofísica Molecular, Instituto de Ciencia de Materiales de Madrid, CSIC, c/ Sor Juana Inés de la Cruz, 3, Cantoblanco, 28049 Madrid, Spain (Author)
ID Amati, Matteo, Sincrotrone Trieste S.C.p.A., ELETTRA, s.s. 14 km 163.5 in Area Science Park, 34012 Basovizza, Trieste, Italy (Author)
ID Fanetti, Mattia, University of Nova Gorica, Materials Research Laboratory, Nova Gorica, Slovenia (Author)
ID Goldoni, Andrea, Sincrotrone Trieste S.C.p.A., ELETTRA, s.s. 14 km 163.5 in Area Science Park, 34012 Basovizza, Trieste, Italy (Author)
ID Gregoratti, Luca, Sincrotrone Trieste S.C.p.A., ELETTRA, s.s. 14 km 163.5 in Area Science Park, 34012 Basovizza, Trieste, Italy (Author)
ID Kiskinova, Maya, Sincrotrone Trieste S.C.p.A., ELETTRA, s.s. 14 km 163.5 in Area Science Park, 34012 Basovizza, Trieste, Italy (Author)
ID Mele, Claudio, Dipartimento di Ingegneria dell´Innovazione, Università del Salento, via Monteroni, 73100 Lecce, Italy (Author)
ID Sezen, Hikmet, Sincrotrone Trieste S.C.p.A., ELETTRA, s.s. 14 km 163.5 in Area Science Park, 34012 Basovizza, Trieste, Italy (Author)
ID Bozzini, Benedetto, Dipartimento di Ingegneria dell´Innovazione, Università del Salento, via Monteroni, 73100 Lecce, Italy (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | UNG - University of Nova Gorica
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| Abstract: | The stability of pyrolyzed Mn–Co/polypyrrole (PPy) nanocomposites towards the Oxygen Reduction Reaction (ORR)
in alkaline solution, was studied with a close-knit group of complementary microscopic and space-resolved spectroscopic
approaches: Atomic Force Microscopy (AFM), Scanning and High-Resolution Transmission Electron
Microscopy (SEM, HRTEM) and identical-location Scanning PhotoElectron Microscopy (SPEM). Tracking quasi-in
situ the morphochemical evolution of the Mn–Co/PPy catalyst upon electrochemical aging under ORR conditions
by this multi-technique approach, has allowed to clarify the key physico-chemical processes underlying
the dramatic impact of Co additions to stability improvement. |
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| Keywords: | Mixed manganese oxides, Polypyrrole, Oxygen reduction, Electrocatalysis, Nanocomposites, X-ray photoelectron microspectroscopy |
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| Publication version: | Version of Record |
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| Year of publishing: | 2016 |
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| Number of pages: | 5 |
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| Numbering: | 50, 69 |
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| PID: | 20.500.12556/RUNG-2526 |
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| COBISS.SI-ID: | 4446459 |
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| NUK URN: | URN:SI:UNG:REP:YVQ5B4Z5 |
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| Publication date in RUNG: | 25.07.2016 |
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| Views: | 6118 |
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| Downloads: | 0 |
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