Linking morphology with activity through the lifetime of pretreated PtNi nanostructured thin film catalysts

Linking morphology with activity through the lifetime of pretreated PtNi nanostructured thin film catalysts. Cullen, D., Lopez-Haro, c, M., Bayle-Guillemaud, c, P., Guetaz, d, L., Debe, M., & Steinbach, A. Journal of Materials Chemistry A, 3(21):11660-11667, 2015. cited By 0

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The nanoscale morphology of highly active Pt3Ni7 nanostructured thin film fuel cell catalysts is linked with catalyst surface area and activity following catalyst pretreatments, conditioning and potential cycling. The significant role of fuel cell conditioning on the structure and composition of these extended surface catalysts is demonstrated by high resolution imaging, elemental mapping and tomography. The dissolution of Ni during fuel cell conditioning leads to highly complex, porous structures which were visualized in 3D by electron tomography. Quantification of the rendered surfaces following catalyst pretreatment, conditioning, and cycling shows the important role pore structure plays in surface area, activity, and durability. © The Royal Society of Chemistry 2015.

@article{ Cullen201511660,
  author = {Cullen, D.A.a  and Lopez-Haro, M.b  c  and Bayle-Guillemaud, P.b  c  and Guetaz, L.b  d  and Debe, M.K.e  and Steinbach, A.J.e },
  title = {Linking morphology with activity through the lifetime of pretreated PtNi nanostructured thin film catalysts},
  journal = {Journal of Materials Chemistry A},
  year = {2015},
  volume = {3},
  number = {21},
  pages = {11660-11667},
  doi = {10.1039/c5ta01854d},
  note = {cited By 0},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84930225692&partnerID=40&md5=fc17c6e3724092856af530632aeb7f03},
  affiliation = {Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, United States; University Grenoble Alpes, Grenoble, France; CEA, INAC-SP2M, LEMMA, Grenoble, France; CEA, LITEN, Grenoble, France; 3M Energy Components Program, 3M Company, 3M Center Building 201-2N-19, St. Paul Minnesota, United States},
  abstract = {The nanoscale morphology of highly active Pt<inf>3</inf>Ni<inf>7</inf> nanostructured thin film fuel cell catalysts is linked with catalyst surface area and activity following catalyst pretreatments, conditioning and potential cycling. The significant role of fuel cell conditioning on the structure and composition of these extended surface catalysts is demonstrated by high resolution imaging, elemental mapping and tomography. The dissolution of Ni during fuel cell conditioning leads to highly complex, porous structures which were visualized in 3D by electron tomography. Quantification of the rendered surfaces following catalyst pretreatment, conditioning, and cycling shows the important role pore structure plays in surface area, activity, and durability. © The Royal Society of Chemistry 2015.},
  document_type = {Article},
  source = {Scopus}
}

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