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Title:ORR stability of Mn–Co/polypyrrole nanocomposite electrocatalysts studied by quasi in-situ identical-location photoelectron microspectroscopy
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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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
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.
Keywords:Mixed manganese oxides, Polypyrrole, Oxygen reduction, Electrocatalysis, Nanocomposites, X-ray photoelectron microspectroscopy
Publication version:Version of Record
Year of publishing:2016
Number of pages:5
Numbering:50, 69
PID:20.500.12556/RUNG-2526 New window
COBISS.SI-ID:4446459 New window
NUK URN:URN:SI:UNG:REP:YVQ5B4Z5
Publication date in RUNG:25.07.2016
Views:5243
Downloads:0
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Record is a part of a journal

Title:Electrochemistry Communications
Publisher:Elsevier
Year of publishing:2016
ISSN:1388-2481

Secondary language

Language:Undetermined
Keywords:Mixed manganese oxides, Polypyrrole, Oxygen reduction, Electrocatalysis, Nanocomposites, X-ray photoelectron microspectroscopy


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