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Effect of temperature on a direct glucose anion exchange membrane fuel cell in a near-neutral-state electrolyte
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.ORCID iD: 0000-0002-6212-4194
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2013 (English)In: International Journal of Electrochemical Science, ISSN 1452-3981, Vol. 8, no 1, 1226-1236 p.Article in journal (Refereed) Published
Abstract [en]

A direct glucose anion exchange membrane fuel cell (AEMFC) with a near-neutral-state electrolyte was studied at varying temperatures of 20, 30 and 37 ° C at two different concentrations of glucose of 0.1 and 0.3 M and with three concentrations of electrolyte of 0.1, 0.2 and 0.3 M [PO4]tot. The prime objective was to show how specific energy (W kg-1 glucose) of the direct glucose AEMFC is related to the operation temperature and concentrations of the species. Current and voltage values were measured together with the pHs and conductivities of the electrolytes. No component analysis of the final products after the fuel cell operation were done as the oxidation products of glucose is believed to be mainly gluconic acid and unreacted glucose as shown in the low Coulombic efficiency based on the exchange of 24 e-. Temperature, electrolyte and glucose concentrations have shown to have pronounced effect for the achievement of the highest energy capacity of 5.15 Wh kg-1 glucose.

Place, publisher, year, edition, pages
2013. Vol. 8, no 1, 1226-1236 p.
Keyword [en]
Anion exchange membrane, Direct bioorganic fuel cell, Glucose, Near-neutral-state electrolyte, Temperature
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-119363ISI: 000316562800096ScopusID: 2-s2.0-84873807827OAI: diva2:611013

QC 20130314

Available from: 2013-03-14 Created: 2013-03-14 Last updated: 2013-05-06Bibliographically approved

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