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Further studies of the anodic dissolution in sodium chloride electrolyte of aluminium alloys containing tin and gallium

Record type: Article

As part of a programme to develop a high power density, Al/air battery with a NaCl brine electrolyte, the high rate dissolution of an aluminium alloy containing tin and gallium was investigated in a small volume cell. The objective was to define the factors that limit aluminium dissolution in condition that mimic a high power density battery. In a cell with a large ratio of aluminium alloy to electrolyte, over a range of current densities the extent of dissolution was limited to ?1000 C cm?2 of anode surface by a thick layer of loosely bound, crystalline deposit on the Al alloy anode formed by precipitation from solution. This leads to a large increase in impedance and acts as a barrier to transport of ions.

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Citation

Nestoridi, Maria, Pletcher, Derek, Wharton, Julian A. and Wood, Robert J.K. (2009) Further studies of the anodic dissolution in sodium chloride electrolyte of aluminium alloys containing tin and gallium Journal of Power Sources, 193, (2), pp. 895-898. (doi:10.1016/j.jpowsour.2009.05.023).

More information

Published date: 5 September 2009
Keywords: aluminium alloy anodes, rapid dissolution, electrolyte

Identifiers

Local EPrints ID: 344846
URI: http://eprints.soton.ac.uk/id/eprint/344846
ISSN: 0378-7753
PURE UUID: 995e61ca-4880-40b6-b7a4-e295d7ae50f0
ORCID for Julian A. Wharton: ORCID iD orcid.org/0000-0002-3439-017X
ORCID for Robert J.K. Wood: ORCID iD orcid.org/0000-0003-0681-9239

Catalogue record

Date deposited: 06 Nov 2012 10:15
Last modified: 18 Jul 2017 05:13

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Contributors

Author: Maria Nestoridi
Author: Derek Pletcher

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