Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Pieter Levecque"'
Publikováno v:
ECS Advances, Vol 3, Iss 3, p 034501 (2024)
Porosity is one of the critical parameters governing mass transport of reagents and products in the heterogenous architecture of a fuel cell electrode. Techniques for the measurement thereof are required that are rapid, cost-effective, and simple, an
Externí odkaz:
https://doaj.org/article/53bc028b340f4384acbdd61117e43a4f
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-3 (2020)
Externí odkaz:
https://doaj.org/article/dfe76ce788b542d1a84ee03f396dde32
Autor:
Colleen Jackson, Graham T. Smith, David W. Inwood, Andrew S. Leach, Penny S. Whalley, Mauro Callisti, Tomas Polcar, Andrea E. Russell, Pieter Levecque, Denis Kramer
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-11 (2017)
D-band engineering via alloying platinum is a leading design principle for advanced oxygen reduction electrocatalysts, but stability remains a concern. Here the authors make Pt nanoparticles supported on graphite-rich boron carbide for enhanced activ
Externí odkaz:
https://doaj.org/article/3002e70d600646598e95f33d22161433
Publikováno v:
Materials, Vol 14, Iss 1, p 77 (2020)
In moving towards a greener global energy supply, hydrogen fuel cells are expected to play an increasingly significant role. New catalyst support materials are being sought with increased durability. MAX phases show promise as support materials due t
Externí odkaz:
https://doaj.org/article/2b44cb88df0a4f5fb7b8e62fe59a8e94
Publikováno v:
International Journal of Hydrogen Energy.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::741938ae9c1a15a205937b85e4660d6b
https://doi.org/10.1016/j.ijhydene.2023.05.044
https://doi.org/10.1016/j.ijhydene.2023.05.044
Autor:
Eric van Steen, Candace Lang, Pieter Levecque, David Richard Graham Mitchell, Lebohang Macheli, Gerard M. Leteba
Publikováno v:
ACS Applied Nano Materials. 3:5718-5731
Developing solid solution nanoparticles with complex faceted geometries and unusual composition sectoral zoning can enhance their catalytic performance. In a solution-phase synthesis of PtNi nanopa...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cda21d5dcd6c14aa38a445de8946a14f
https://doi.org/10.1021/acsanm.0c00915
https://doi.org/10.1021/acsanm.0c00915
Publikováno v:
RSC Advances. 10:29268-29277
Complex faceted geometries and compositional anisotropy in alloy nanoparticles (NPs) can enhance catalytic performance. We report on the preparation of binary PtNi NPs via a co-thermolytic approach in which we optimize the synthesis variables, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a4df61cf7d84f9bd26bb45efa547259
https://doi.org/10.1039/d0ra05195k
https://doi.org/10.1039/d0ra05195k
Publikováno v:
Nanomaterials, Vol 11, Iss 1825, p 1825 (2021)
Nanomaterials
Volume 11
Issue 7
Nanomaterials
Volume 11
Issue 7
We report on an optimized, scalable solution-phase synthetic procedure for the fabrication of fine-tuned monodisperse nanostructures (Pt(NiCo), PtNi and PtCo). The influence of different solute metal precursors and surfactants on the morphological ev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8bf137059a15ccec329111d57d70b3d
https://www.mdpi.com/2079-4991/11/7/1825
https://www.mdpi.com/2079-4991/11/7/1825
Autor:
Pieter Levecque, Victor Mashindi, Roy P. Forbes, Pumza Mente, Tumelo N. Phaahlamohlaka, Ofentse A. Makgae, Angus I. Kirkland, Neil J. Coville, Kenneth I. Ozoemena, Nobuhle Mpofu
The development of active and durable proton exchange membrane fuel cell catalysts with high loading (ca. 40%) is critical for the commercialization of hydrogen fuel cells. Herein we report on the synthesis of a novel Pt/C catalyst using a novel bowl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22a78dc0aa35302747812aa7a0b5cf56
https://ora.ox.ac.uk/objects/uuid:6e4036c1-48ba-408e-b02c-aea360e57de8
https://ora.ox.ac.uk/objects/uuid:6e4036c1-48ba-408e-b02c-aea360e57de8
Publikováno v:
Electrocatalysis. 10:604-612
The development of support structures for electrocatalysts has received a great deal of attention over the last decade, with carbon structures (i.e. nanostructures, Vulcan carbon (VC)) having been studied extensively. Carbon support structures increa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5b410de36bc655b1380fc689db3fbd9
https://doi.org/10.1007/s12678-019-00549-y
https://doi.org/10.1007/s12678-019-00549-y