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a bibo:Issue;
dcterms:medium ;
rdau:P60049 ;
rdau:P60050 ;
rdau:P60048 ;
dc:identifier "(DE-101)1328910474";
umbel:isLike , ;
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a bibo:Article;
dc:title "Multidimensional Electrochemistry Decodes the Operando Mechanism of Hydrogen Oxidation";
dcterms:creator _:node1k0rml8akx30009416 .
_:node1k0rml8akx30009416 gndo:preferredName "Yang, Kaicong" .
marcRole:aut _:node1k0rml8akx30009417 .
_:node1k0rml8akx30009417 gndo:preferredName "Yang, Kaicong" .
marcRole:aut _:node1k0rml8akx30009418 .
_:node1k0rml8akx30009418 gndo:preferredName "Ma, Hualong" .
marcRole:aut _:node1k0rml8akx30009419 .
_:node1k0rml8akx30009419 gndo:preferredName "Ren, Renjie" .
marcRole:aut _:node1k0rml8akx30009420 .
_:node1k0rml8akx30009420 gndo:preferredName "Xiao, Li" .
marcRole:aut _:node1k0rml8akx30009421 .
_:node1k0rml8akx30009421 gndo:preferredName "Jiang, Wenyong" .
marcRole:aut _:node1k0rml8akx30009422 .
_:node1k0rml8akx30009422 gndo:preferredName "Xie, Yu" .
marcRole:aut _:node1k0rml8akx30009423 .
_:node1k0rml8akx30009423 gndo:preferredName "Wang, Gongwei" .
marcRole:aut _:node1k0rml8akx30009424 .
_:node1k0rml8akx30009424 gndo:preferredName "Lu, Juntao" .
marcRole:aut _:node1k0rml8akx30009425 .
_:node1k0rml8akx30009425 gndo:preferredName "Zhuang, Lin";
owl:sameAs .
dcterms:extent "9 S.";
dcterms:isPartOf ;
dcterms:description "Abstract: Being an efficient approach to the utilization of hydrogen energy, the hydrogen oxidation reaction (HOR) is of particular significance in the current carbon‐neutrality time. Yet the mechanistic picture of the HOR is still blurred, mostly because the elemental steps of this reaction are rapid and highly entangled, especially when deviating from the thermodynamic equilibrium state. Here we report a strategy for decoding the HOR mechanism under operando conditions. In addition to the wide‐potential‐range I–V curves obtained using gas diffusion electrodes, we have applied the AC impedance spectroscopy to provide independent and complementary kinetic information. Combining multidimensional data sources has enabled us to fit, in mathematical rigor, the core kinetic parameter set in a 5‐D data space. The reaction rate of the three elemental steps (Tafel, Heyrovsky, and Volmer reactions), as a function of the overpotential, can thus be distilled individually. Such an undocumented kinetic picture unravels, in detail, how the HOR is controlled by the elemental steps on polarization. For instance, at low polarization region, the Heyrovsky reaction is relatively slow and can be ignored; but at high polarization region, the Heyrovsky reaction will surpass the Tafel reaction. Additionally, the Volmer reaction has been the fastest within overpotentials of interest. Our findings not only offer a better understanding of the HOR mechanism, but also lay the foundation for the development of improved hydrogen energy utilization systems."@de;
dcterms:license ;
wdrs:describedby .
dcterms:license ;
dcterms:modified "2024-05-10T21:47:25.000"^^xsd:dateTime .
dcterms:issued "2024";
bibo:issue "2024-05-10";
owl:sameAs .