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Title: Enhanced performance of common electrode materials obtained by means of atmospheric plasma coatings
Author: Robotti, Marco
Dosta Parras, Sergi
Gardon Ramos, Marc
Kourasi, M.
Mellor, B.
Wills, R.
García Cano, Irene
Guilemany, J. M. (José María)
Keywords: Elèctrodes
Issue Date: 1-Feb-2016
Publisher: Elsevier
Abstract: Atmospheric plasma spraying is used here to obtain titanium sub-oxide coatings on the following electrode substrates: a 316 stainless steel sheet, an aluminium alloy 2024 sheet, a carbon-polymer composite and nickel foam. It is necessary to increase the roughness of the substrate to aid the adhesion of the coating to the smooth electrodes; this is especially critical for the fragile carbon-polymer composite. High-energy conditions increase the strain caused by the mismatch between coefficients of thermal expansion when coating the thin steel and aluminium sheets, and degraded the carbon-polymer composite and nickel foam. Therefore, it is necessary to adjust the spraying parameters to lower-energy conditions in order to achieve well-bonded and homogeneous coatings on all four substrates and avoid the presence of cracks in their cross-section area. The suitability of the coated materials as battery electrodes was studied.
Note: Versió postprint del document publicat a:
It is part of: Journal Of Energy Storage, 2016, vol. 5, p. 127-133
Related resource:
ISSN: 2352-152X
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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