Theoretical investigation of methanol oxidation on Pt and PtNi catalysts
Sign Up to like & getrecommendations! Published in 2019 at "Ionics"
DOI: 10.1007/s11581-019-03280-2
Abstract: DFT calculations were employed to study the catalytic oxidation pathways of methanol on Pt(111), Pt(200), Pt(220), and Pt(311) surface and PtNi surface by introducing Ni to four Pt crystal planes. The pathway CH 3 OH-CH… read more here.
Keywords: oxidation; methanol oxidation; ptni; theoretical investigation ... See more keywords
High performance octahedral PtNi/C catalysts investigated from rotating disk electrode to membrane electrode assembly
Sign Up to like & getrecommendations! Published in 2018 at "Nano Research"
DOI: 10.1007/s12274-018-2211-9
Abstract: Octahedral PtNi/C catalysts have demonstrated superior catalytic performance in oxygen reduction reaction (ORR) over commercial Pt/C with rotating disk electrode (RDE). However, it is not trivial to translate such promising results to real-world membrane-electrode assembly… read more here.
Keywords: rotating disk; octahedral ptni; ptni catalysts; ptni ... See more keywords
Nodal PtNi nanowires with Pt skin and controllable Near-Surface composition for enhanced oxygen reduction electrocatalysis in fuel cells
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.129322
Abstract: Abstract The oxygen reduction reaction (ORR) takes place on the surface of catalyst, and the precise control of surface component at atomic scale has been an important factor to effectively improve the performance of catalysts.… read more here.
Keywords: oxygen reduction; surface; skin controllable; controllable near ... See more keywords
Understanding the geometric and electronic factors of PtNi bimetallic surfaces for efficient and selective catalytic hydrogenation of biomass-derived oxygenates
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Energy Chemistry"
DOI: 10.1016/j.jechem.2020.12.011
Abstract: Abstract Ni-base catalysts are promising candidate for the hydrogenation of furfural (FAL) to high-value chemicals. However, slow intermediate desorption and low selectivity limit its implementation. Identifying the catalytic performance of each active sites is vital… read more here.
Keywords: biomass derived; hydrogenation; catalytic performance; ptni ... See more keywords
3D Imaging of Nanoalloy Catalysts at Atomic Resolution
Sign Up to like & getrecommendations! Published in 2017 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927617010820
Abstract: Metal catalysts such as Pt, Pd, Cu, and Ni are critical components in many applications ranging from fuel cells in automobiles to mobile power generation. Recent studies have shown that introducing earthabundant metals such as… read more here.
Keywords: resolution; microscopy; ptni; structure ... See more keywords
Highly CO tolerant PtRu/PtNi/C catalyst for polymer electrolyte membrane fuel cell
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
DOI: 10.1039/c6ra28198b
Abstract: Galvanic displacement and annealing treatment were used to construct a PtRu/PtNi/C catalyst with PtRu on the surface and PtNi in the core. PtNi alloy was formed during high-temperature reduction, and the surface Ni in the… read more here.
Keywords: ptru; surface; ptni catalyst; ptni ... See more keywords
Towards Highly Performing and Stable PtNi Catalysts in Polymer Electrolyte Fuel Cells for Automotive Application
Sign Up to like & getrecommendations! Published in 2017 at "Materials"
DOI: 10.3390/ma10030317
Abstract: In order to help the introduction on the automotive market of polymer electrolyte fuel cells (PEFCs), it is mandatory to develop highly performing and stable catalysts. The main objective of this work is to investigate… read more here.
Keywords: fuel cells; highly performing; ptni catalysts; ptni ... See more keywords