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. 2021 Jan 28;24(2):102102. doi: 10.1016/j.isci.2021.102102

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© 2021 The Author(s)

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

TEM and XRD analysis of commercially available Pt-based electrocatalysts

(A–C) TEM analysis of commercially available Pt/C electrocatalysts (Hi-spec 4000 from JM—teal, TEC10E50E from TKK—light green and TEC10E50E-HT from TKK—green; see also Supplemental information, Figure S1 and Table S1 for TF-RDE analysis).

(D) XRD analysis of as-purchased Pt-M/C electrocatalysts from FCS.

(E–H) STEM analysis of all four Pt-M/C electrocatalysts in the as-purchased state. See also Supplemental information, Figures S2–S9 for EDX analysis. The colors (Pt-Cu = blue, Pt-Fe = orange, Pt-Ni = red and Pt-Co = magenta) correspond to the ones used for the graphs and borders in all of the figures.