Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Aaron Roy"'
Autor:
Asad Mehmood, Mengjun Gong, Frédéric Jaouen, Aaron Roy, Andrea Zitolo, Anastassiya Khan, Moulay-Tahar Sougrati, Mathias Primbs, Alex Martinez Bonastre, Dash Fongalland, Goran Drazic, Peter Strasser, Anthony Kucernak
Non-precious iron-based catalysts (Fe-NCs) require high active site density (SD) to meet the performance targets as cathode catalysts in proton exchange membrane fuel cells (PEMFCs). SD is generally limited to that achieved at 1-3 wt%(Fe) loading due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a94674b7e16593c80322e99ea563e312
http://hdl.handle.net/10044/1/95481
http://hdl.handle.net/10044/1/95481
Autor:
Moulay Tahar Sougrati, Giorgia Daniel, Tomasz Kosmala, Christian Durante, Asad Mehmood, Aaron Roy, Peter Strasser, Mathias J.M. Primbs, Yanyan Sun, Daniel Malko, Frédéric Jaouen, Jonathan Sharman, Gaetano Granozzi, Pierre-Yves Blanchard, Plamen Atanassov, Anthony Kucernak, Deborah J. Jones
Publikováno v:
Energy & Environmental Science
Energy & Environmental Science, Royal Society of Chemistry, 2020, ⟨10.1039/d0ee01013h⟩
Energy & Environmental Science, Royal Society of Chemistry, 2020, 13 (8), pp.2480-2500. ⟨10.1039/d0ee01013h⟩
Energy & Environmental Science, Royal Society of Chemistry, 2020, ⟨10.1039/d0ee01013h⟩
Energy & Environmental Science, Royal Society of Chemistry, 2020, 13 (8), pp.2480-2500. ⟨10.1039/d0ee01013h⟩
International audience; We report a comprehensive analysis of the catalytic oxygen reduction reaction (ORR) reactivity of four of today's most active benchmark platinum group metal-free (PGM-free) iron/nitrogen doped carbon electrocatalysts (Fe-N-Cs)
Autor:
Tzonka Mineva, Jan Rossmeisl, Ulrike I. Kramm, Stephan Wagner, Aaron Roy, Luca Silvioli, Ismail Can Oğuz, David A. Cullen, Fabio Dionigi, Detre Teschner, Fang Luo, Ju Wen, Peter Strasser, Frédéric Jaouen, Moulay Tahar Sougrati, Andrea Zitolo
Publikováno v:
Luo, F, Roy, A, Silvioli, L, Cullen, D A, Zitolo, A, Sougrati, M T, Oguz, I C, Mineva, T, Teschner, D, Wagner, S, Wen, J, Dionigi, F, Kramm, U I, Rossmeisl, J, Jaouen, F & Strasser, P 2020, ' P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction ', Nature Materials . https://doi.org/10.1038/s41563-020-0717-5
Nature Materials
Nature Materials
This contribution reports the discovery and analysis of a p-block Sn-based catalyst for the electroreduction of molecular oxygen in acidic conditions at fuel cell cathodes; the catalyst is free of platinum-group metals and contains single-metal-atom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf16c34f1d5a720c1ff19858eb4100ef
https://curis.ku.dk/portal/da/publications/pblock-singlemetalsite-tinnitrogendoped-carbon-fuel-cell-cathode-catalyst-for-oxygen-reduction-reaction(1ef52d33-55ab-4347-ad9b-f09e352689db).html
https://curis.ku.dk/portal/da/publications/pblock-singlemetalsite-tinnitrogendoped-carbon-fuel-cell-cathode-catalyst-for-oxygen-reduction-reaction(1ef52d33-55ab-4347-ad9b-f09e352689db).html
Autor:
Plamen Atanassov, Aaron Roy, Morteza Rezaei Talarposhti, Iryna V. Zenyuk, Stanley J. Normile, Kateryna Artyushkova, Vincent De Andrade, Alexey Serov
Publikováno v:
Sustainable Energy & Fuels. 2:2268-2275
This work introduces the first practical platinum group metal-free (PGM-free) electrocatalyst for the hydrogen oxidation reaction (HOR) in alkaline membrane fuel cells (AMFCs), based on nickel-rich Ni95Cu5-alloy nanoparticles supported on Ketjenblack
Autor:
Aaron Roy, Iryna V. Zenyuk, Pratiti Mandal, Elena R. Savinova, Antoine Bonnefont, Kenneth Lemire, Plamen Atanassov, Sadia Kabir, Alexandr G. Oshchepkov, Kateryna Artyushkova, Debbie Schlueter, Madeleine Odgaard, Ethan J. Crumlin, Alexey Serov, Dinesh C. Sabarirajan
Publikováno v:
Journal of Materials Chemistry A. 5:24433-24443
We introduce a new platinum group metal-free (PGM-free) hydrogen oxidation electrocatalyst with superior performance in anodes of alkaline exchange membrane fuel cells (AEMFCs). A carbon-supported bimetallic nickel–molybdenum catalyst was synthesiz
Autor:
Xiaoyu Cui, Anis Allagui, Nalin I. Andersen, Alexey Serov, Spyridon Ntais, Zhenzhen Lu, Emily Cossar, Aaron Roy, Plamen Atanassov, Elena A. Baranova
Publikováno v:
Electrochimica Acta. 222:1455-1463
In this study Pt nanoparticles supported on NiO, MnO 2 , and on carbon black were prepared and tested for the ammonia electrooxidation reaction (AmER) in alkaline media. The morphology and structure of the catalysts were characterized by scanning ele
Autor:
Ivana Matanovic, Tristan Asset, Ulises Martinez, Plamen Atanassov, Kateryna Artyushkova, Monica Padilla, Domnik Bayer, Alexey Serov, Carsten Cremers, Aaron Roy, Marian Chatenet, Frédéric Maillard
Publikováno v:
Applied Catalysis B: Environmental. 191:76-85
Nanostructured palladium-copper electrocatalysts with Pd:Cu ratios of 1:3, 1:1, and 3:1 were synthesized using a Sacrificial Support Method (SSM) in combination with the thermal reduction of metal precursors. The materials were comprehensively charac
Autor:
Ivana Matanovic, Aaron Roy, Frédéric Maillard, Alexey Serov, Marian Chatenet, Monica Padilla, Plamen Atanassov, Tristan Asset
Publikováno v:
ELECTROCATALYSIS
ELECTROCATALYSIS, 2018, 9 (4), pp.480-485. ⟨10.1007/s12678-017-0449-8⟩
ELECTROCATALYSIS, 2018, 9 (4), pp.480-485. ⟨10.1007/s12678-017-0449-8⟩
Unsupported PdxPb1-x electrocatalysts were synthesized by a modified sacrificial support method (SSM) and thoroughly characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Their elect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32344ceed2b5c8fa016b5a6680f6b8d4
https://hal.univ-grenoble-alpes.fr/hal-01887235
https://hal.univ-grenoble-alpes.fr/hal-01887235
Autor:
Plamen Atanassov, Aaron Roy, Csaba Janáky, Dorottya Hursán, Kateryna Artyushkova, Alexey Serov
Major efforts are devoted to find efficient and selective electrocatalysts for solar fuel generation, thus enabling accelerated development of such technologies. A series of electrocatalysts from the metal–nitrogen–carbon (M–N–C) family was s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3818accdb8e40dbac0a827487901dced
http://publicatio.bibl.u-szeged.hu/13235/
http://publicatio.bibl.u-szeged.hu/13235/
Autor:
Plamen Atanassov, Ivana Matanovic, Aaron Roy, Nalin I. Andersen, Alexey Serov, Kateryna Artyushkova
Publikováno v:
Journal of The Electrochemical Society. 162:F449-F454
A series of CuCo2O4 catalysts were synthesized by pore forming, sol-gel, spray pyrolysis and sacrificial support methods. Catalysts were characterized by XRD, SEM, XPS and BET techniques. The electrochemical activity for the oxygen reduction and oxyg