Zobrazeno 1 - 10 of 33 pro vyhledávání: '"Stefan Barwe"'
1
Akademický článek
Recovering activity of anodically challenged oxygen reduction electrocatalysts by means of reductive potential pulses
Autor: Danea Medina, Tobias Löffler, Dulce M. Morales, Justus Masa, Tim Bobrowski, Stefan Barwe, Corina Andronescu, Wolfgang Schuhmann
Publikováno v: Electrochemistry Communications, Vol 124, Iss , Pp 106960- (2021)
The stability of electrocatalysts is of great importance to ensure their applicability, but stability is generally only considered for catalysts polarised to a constant potential or current density. This excludes stability evaluation under start/stop
Externí odkaz: https://doaj.org/article/291d8f74264441faa8fd3c8c1c4dbe42
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2
Akademický článek
Cobalt–metalloid alloys for electrochemical oxidation of 5-hydroxymethylfurfural as an alternative anode reaction in lieu of oxygen evolution during water splitting
Autor: Jonas Weidner, Stefan Barwe, Kirill Sliozberg, Stefan Piontek, Justus Masa, Ulf-Peter Apfel, Wolfgang Schuhmann
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 1436-1445 (2018)
The electrochemical water splitting commonly involves the cathodic hydrogen and anodic oxygen evolution reactions (OER). The oxygen evolution reaction is more energetically demanding and kinetically sluggish and represents the bottleneck for a commer
Externí odkaz: https://doaj.org/article/cf91cf70e63948ecb3ac4f93bb0d0c5b
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3
Insights into the Formation, Chemical Stability, and Activity of Transient NiyP@NiOx Core–Shell Heterostructures for the Oxygen Evolution Reaction
Autor: Wolfgang Schuhmann, Weikai Xiang, Justus Masa, Stefan Barwe, Thomas Quast, Yen-Ting Chen, Stefan Dieckhöfer, Anjali Bhatt, Patrick Wilde, Corina Andronescu, Tong Li, Sabine Seisel
Publikováno v: ACS Applied Energy Materials. 3:2304-2309
NiyP emerged as a highly active precatalyst for the alkaline oxygen evolution reaction where structural changes play a crucial role for its catalytic performance. We probed the chemical stability o...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83d33364fb4306ccc9948b635a6ecdb3
https://doi.org/10.1021/acsaem.9b02481
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6
Catalytic Reactivation of Industrial Oxygen Depolarized Cathodes by in situ Generation of Atomic Hydrogen
Autor: Ingo Manke, Corina Andronescu, Wolfgang Schuhmann, Melanie Paulisch, Stefan Dieckhöfer, Denis Öhl, Thomas Turek, David Franzen, Stefan Barwe
Publikováno v: ChemSusChem. 12:2732-2739
Electrocatalytically active materials on the industrial as well as on the laboratory scale may suffer from chemical instability during operation, air exposure, or storage in the electrolyte. A strategy to recover the loss of electrocatalytic activity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbad449af45e9ae78b372043592c5c52
https://doi.org/10.1002/cssc.201900628
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7
Cobalt metalloid and polybenzoxazine derived composites for bifunctional oxygen electrocatalysis
Autor: Yen-Ting Chen, Ruben Engels, Corina Andronescu, Felipe Conzuelo, Justus Masa, Wolfgang Schuhmann, Stefan Barwe, Patrick Wilde, Sabine Seisel
Publikováno v: Electrochimica Acta. 297:1042-1051
The development of bifunctional oxygen electrodes is a key factor for the envisaged application of rechargeable metal-air batteries. In this work, we present a simple procedure based on pyrolysis of polybenzoxazine/metal metalloid nanoparticles compo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00cdf4be9d5b3b20ea030998749a1495
https://doi.org/10.1016/j.electacta.2018.12.047
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8
Role of Boron and Phosphorus in Enhanced Electrocatalytic Oxygen Evolution by Nickel Borides and Nickel Phosphides
Autor: Ilya Sinev, Justus Masa, Corina Andronescu, Sabine Seisel, Stefan Barwe, Martin Muhler, Wolfgang Schuhmann, Beatriz Roldan Cuenya, Jordi Arbiol, Karina Elumeeva, Sara Martí-Sánchez, Hendrik Antoni
Publikováno v: Recercat: Dipósit de la Recerca de Catalunya
Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona
Digital.CSIC. Repositorio Institucional del CSIC
The modification of nickel with boron or phosphorus leads to significant enhancement of its electrocatalytic activity for the oxygen evolution reaction (OER). However, the precise role of the guest elements, B and P, in enhancing the OER of the host
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4efdc7b30b93972f1311fa677d229b93
http://hdl.handle.net/2072/438819
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9
Differentiation between Carbon Corrosion and Oxygen Evolution Catalyzed by Ni x B/C Hybrid Electrocatalysts in Alkaline Solution using Differential Electrochemical Mass Spectrometry
Autor: Wolfgang Schuhmann, Sandra Möller, Corina Andronescu, Justus Masa, Stefan Barwe, Stefan Dieckhöfer
Publikováno v: ChemElectroChem
Carbon is a frequently used electrode material and an important additive in catalyst films. Its corrosion is often reported during electrocatalysis at high anodic potentials, especially in acidic electrolyte. Investigation of the carbon corrosion in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30c1427f47c19c89719fd68b6236304c
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