NDLI: Ion-beam formation of electrocatalysts for fuel cells with polymer membrane electrolyte

Content Provider	Springer Nature Link
Author	Poplavsky, V. V. Dorozhko, A. V. Matys, V. G.
Copyright Year	2017
Abstract	Active layers of electrocatalysts are prepared by the ion-beam assisted deposition (IBAD) of platinum onto carbon-based AVCarb® Carbon Fiber Paper P50 and Toray Carbon Fiber Paper TGP-H-060 T supports and Nafion® N 115 polymer membrane electrolyte in the mode where the deposited metal ions are used as ions assisting the deposition process. Metal deposition and mixing of the deposited layer with the substrate under an accelerating voltage of 10 kV by the same metal ions are carried out from a neutral fraction of metal vapor and the ionized plasma of a pulsed vacuum-arc discharge, respectively. The composition and microstructure of the surface layers obtained are studied by Rutherford backscattering spectrometry (RBS), scanning electron microscopy (SEM), electron-probe microanalysis (EPMA), and X-ray fluorescence (XRF) analysis. The platinum concentration in the layers is (0.5–1.5) × 10$^{16}$ at/cm$^{2}$. The prepared electrocatalysts exhibit activity in the process of the electrochemical oxidation of methanol and ethanol, which form the basis for the principle of operation of low temperature fuel cells (direct methanol fuel cells (DMFC) and direct ethanol fuel cells (DEFC)).
Starting Page	326
Ending Page	332
Page Count	7
File Format	PDF
ISSN	10274510
Journal	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
Volume Number	11
Issue Number	2
e-ISSN	18197094
Language	English
Publisher	Pleiades Publishing
Publisher Date	2017-04-27
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ion beam-assisted deposition of platinum carbon catalyst supports polymer membrane electrolyte catalytic layers elemental composition electrocatalytic activity oxidation of methanol and ethanol Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Surfaces, Coatings and Films

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