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A novel flow battery—A lead acid battery based on an electrolyte with soluble lead(II). Part IV: the influence of additives

Hazza, Ahmed, Pletcher, Derek and Wills, Richard (2005) A novel flow battery—A lead acid battery based on an electrolyte with soluble lead(II). Part IV: the influence of additives Journal of Power Sources, 149, pp. 103-111. (doi:10.1016/j.jpowsour.2005.01.049).

Record type: Article

Abstract

During development of an undivided flow battery based on the Pb(II)/Pb and PbO2/Pb(II) couples in aqueous methanesulfonic acid, it was noted that battery performance might be improved by additives that (i) decrease the roughness of the lead deposit at the negative electrode and (ii) enhance the kinetics of the Pb(II)/PbO2 couple at the positive electrode. This paper reports the study of sodium ligninsulfonate and polyethylene glycol as potential levelling agents for lead and of three inorganic ions as possible catalysts for the Pb(II)/PbO2 couple. The addition of 1 g dm?3 ligninsulfonate leads to uniform deposits without the tendency to form dendrites but leads to a slight decrease in both charge and energy efficiency for the battery. Only nickel(II) reduced the overpotential for PbO2 deposition but again it has an adverse influence on the energy efficiency.

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More information

Published date: 2005
Keywords: flow batteries, lead acid, methanesulfonic acid

Identifiers

Local EPrints ID: 23588
URI: http://eprints.soton.ac.uk/id/eprint/23588
ISSN: 0378-7753
PURE UUID: 35e2f5e6-dd13-44ef-a7b2-5cdcc1455388

Catalogue record

Date deposited: 20 Mar 2006
Last modified: 17 Jul 2017 16:16

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