Determination of the through-plane profile of vanadium species in hydrated Nafion studied with micro X-ray absorption near-edge structure spectroscopy – proof of concept

Lutz, C.; Hampel, S.; Beuermann, S.; Turek, T.; Kunz, U.; Garrevoet, J.; Falkenberg, G.; Fittschen, U.

doi:10.1107/S160057752100905X

Journal of Synchrotron Radiation Journal of
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Figure 1
(a) A photograph of the sample holder for the measurement of Nafion. (b) and (c) Render images of the sample holder for the measurement of Nafion (reference), (b) normal view and (c) exploded view. (d) and (e) Render images of the sample holder for the measurement of Nafion (diffusion), (d) normal view and (e) exploded view. In all panels, (1) is the neodymium magnet (diameter 2 mm), (2) two layers of dry filter paper, (3) Nafion 117 soaked with vanadium electrolyte (in the rendering soaked with green V³⁺ electrolyte), (4) neodymium magnet (diameter 3 mm), (5) Kapton tube, (6) one layer of dry filter paper, (7) one layer of filter paper soaked with V³⁺ electrolyte, (8) hydrated Nafion 117 (vanadium-free) and (9) one layer of filter paper soaked with VO₂⁺ electrolyte.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 28| Part 6| November 2021| Pages 1865-1873

https://doi.org/10.1107/S160057752100905X

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