The oxidation of borohydride ion at titanate nanotube supported gold electrodes
The oxidation of borohydride ion at titanate nanotube supported gold electrodes
Steady state voltammetry was used to study the oxidation of 0.02 mol dm3 borohydride ion (in 3 mol dm3 NaOH at 298 K) at three gold-based electrodes, namely: (a) a commercially available gold on Vulcan carbon Au/C, supported by carbon felt resulting in a 0.5 mg cm2 of Au loading, (b) gold nanoparticles deposited on titanate nanotubes with approximately 0.1 mg cm2 loading Au and (c) gold foil. Gold nanoparticles which are well dispersed onto titanate nanotubes can produce currents within the same order of magnitude as the Au/C and Au foil electrodes and represent an option for anode materials in a direct borohydride fuel cell.
1655-1660
Ponce de León, C.A.
ee45a26e-db9c-4c51-96b6-26792fbaac3e
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
2006
Ponce de León, C.A.
ee45a26e-db9c-4c51-96b6-26792fbaac3e
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Ponce de León, C.A., Bavykin, D.V. and Walsh, F.C.
(2006)
The oxidation of borohydride ion at titanate nanotube supported gold electrodes.
Electrochemistry Communications, 8 (10), .
(doi:10.1016/j.elecom.2006.07.031).
Abstract
Steady state voltammetry was used to study the oxidation of 0.02 mol dm3 borohydride ion (in 3 mol dm3 NaOH at 298 K) at three gold-based electrodes, namely: (a) a commercially available gold on Vulcan carbon Au/C, supported by carbon felt resulting in a 0.5 mg cm2 of Au loading, (b) gold nanoparticles deposited on titanate nanotubes with approximately 0.1 mg cm2 loading Au and (c) gold foil. Gold nanoparticles which are well dispersed onto titanate nanotubes can produce currents within the same order of magnitude as the Au/C and Au foil electrodes and represent an option for anode materials in a direct borohydride fuel cell.
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Published date: 2006
Organisations:
Engineering Mats & Surface Engineerg Gp
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Local EPrints ID: 43004
URI: http://eprints.soton.ac.uk/id/eprint/43004
ISSN: 1388-2481
PURE UUID: 6f66852a-75d8-47ac-a670-ef0d03b88f09
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Date deposited: 08 Jan 2007
Last modified: 15 Mar 2024 08:52
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Author:
C.A. Ponce de León
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