Ion Beam Formation of Electrocatalysts for Direct Methanol and Ethanol Fuel Cells on the Basis of Carbon Catalyst Supports

• Authors: V. Poplavsky , A. Dorozhko , V. Luhin , V. Matys , P. Zukowski , K. Czarnacka
• Languages of publication: EN

Abstracts

EN

Ion-beam modification of materials whose service properties are mainly controlled by the surface composition is of especial interest, in particular, for electrocatalysts, namely electrodes of fuel cells - perspective chemical current sources. A catalyst is needed for effective operation of fuel cell. In this paper active layers of the electrocatalysts were prepared by ion beam assisted deposition of catalytic (platinum) and activating (cerium) metals onto carbon (AVCarb® Carbon Fiber Paper P50 and Toray Carbon Fiber Paper TGP-H-060 T) catalyst supports. Formation of layers by ion beam assisted deposition by means of the deposition of metal and mixing of precipitating layer with the substrate by accelerated ions of the same metal, was carried out. Metal deposition and mixing between the precipitable layer and surface of the substrate by accelerated (U=10 kV) ions of the same metal were conducted from a neutral vapor fraction and plasma of vacuum arc discharge of a pulsed electric arc ion source. Study of the morphology and composition of layers was carried out by the scanning electron microscopy, energy dispersive X-ray microanalysis, X-ray fluorescence analysis, and the Rutherford backscattering spectrometry methods. According to the investigations with the use of cyclic voltammetry, the electrocatalysts with the prepared layers exhibited catalytic activity in the reactions of electrochemical oxidation of methanol and ethanol, which form the basis for the principle of operation of low temperature direct methanol and direct ethanol fuel cells.

Keywords

EN

68.37.Hk; 81.15.Jj; 81.05.U-; 82.45.Jn; 82.80.Fk; 82.80.Yc; 88.20.ff; 88.30.pd; 88.30.pf

Discipline

• 88.30.pd: Proton exchange membrane fuel cells (PEM)
• 82.45.Jn: Surface structure, reactivity and catalysis(see also 82.65.+r Surface and interface chemistry; heterogeneous catalysis at surfaces)
• 82.80.Fk: Electrochemical methods(see also 82.45.Rr Electroanalytical chemistry; for electrochemical sensors, see 82.47.Rs)
• 88.30.pf: Direct methanol fuel cells
• 82.80.Yc: Rutherford backscattering (RBS), and other methods of chemical analysis
• 81.05.U-: Carbon/carbon-based materials(for carbon-based superconductors, see 74.70.Wz)
• 81.15.Jj: Ion and electron beam-assisted deposition; ion plating(see also 52.77.Dq Plasma-based ion implantation and deposition in physics of plasmas)
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)
• 88.20.ff: Ethanol(see also 88.85.mj ethanol in alternative fuels for advanced vehicles)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 2
• Pages: 278-282

Dates

published

2017-08

Contributors

author

V. Poplavsky

• Belarusian State Technological University, 13a, Sverdlov Str., 220006 Minsk, Belarus

author

A. Dorozhko

• Belarusian State Technological University, 13a, Sverdlov Str., 220006 Minsk, Belarus

author

V. Luhin

• Belarusian State Technological University, 13a, Sverdlov Str., 220006 Minsk, Belarus

author

V. Matys

• Belarusian State Technological University, 13a, Sverdlov Str., 220006 Minsk, Belarus

author

P. Zukowski

• Lublin University of Technology, Nadbystrzycka 38a, 20-618 Lublin, Poland

author

K. Czarnacka

• University of Life Sciences in Lublin, 20-612 Lublin, Poland

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Identifiers

DOI

10.12693/APhysPolA.132.278