Porous ceramic anode materials for photo-microbial fuel cells

Rebecca Thorne, Huaining Hu, Kenneth Schneider, Paolo Bombelli, Adrian Fisher, Laurence M Peter, Andrew Dent, Petra J Cameron

Research output: Contribution to journalArticle

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Abstract

This study focuses on porous ceramics as a promising new type of anode material for photo-microbial fuel cells (p-MFCs). The anodes were made from titanium dioxide and chemical vapour deposition was used to coat them with a layer of fluorine doped tin oxide (FTO) to make them conducting. Chlorella vulgaris biofilms were grown in the millimetre sized pores of the ceramic electrodes, producing an extensive extra cellular matrix that was anchored directly to the electrode surface. In contrast algal cells grown on carbon felt appeared misshapen and lacked a continuous extra cellular matrix. A preliminary comparison of different anodes in p-MFCs showed that the power density was 16 times higher on a ceramic anode compared to the best performing carbon anode. Good power densities were also found for algae grown directly onto FTO coated glass, but in contrast to the ceramic anodes the biofilm did not adhere strongly to the planar surface and was easily removed or damaged.
LanguageEnglish
Pages18055-18060
Number of pages6
JournalJournal of Materials Chemistry
Volume21
Issue number44
Early online date11 Oct 2011
DOIs
StatusPublished - 28 Nov 2011

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Microbial fuel cells
Anodes
Fluorine
Biofilms
Tin oxides
Electrodes
Carbon
Algae
Titanium dioxide
Chemical vapor deposition
Cells
Glass

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Porous ceramic anode materials for photo-microbial fuel cells. / Thorne, Rebecca; Hu, Huaining; Schneider, Kenneth; Bombelli, Paolo; Fisher, Adrian; Peter, Laurence M; Dent, Andrew; Cameron, Petra J.

In: Journal of Materials Chemistry, Vol. 21, No. 44, 28.11.2011, p. 18055-18060.

Research output: Contribution to journalArticle

Thorne, R, Hu, H, Schneider, K, Bombelli, P, Fisher, A, Peter, LM, Dent, A & Cameron, PJ 2011, 'Porous ceramic anode materials for photo-microbial fuel cells' Journal of Materials Chemistry, vol. 21, no. 44, pp. 18055-18060. DOI: 10.1039/c1jm13058g
Thorne R, Hu H, Schneider K, Bombelli P, Fisher A, Peter LM et al. Porous ceramic anode materials for photo-microbial fuel cells. Journal of Materials Chemistry. 2011 Nov 28;21(44):18055-18060. Available from, DOI: 10.1039/c1jm13058g
Thorne, Rebecca ; Hu, Huaining ; Schneider, Kenneth ; Bombelli, Paolo ; Fisher, Adrian ; Peter, Laurence M ; Dent, Andrew ; Cameron, Petra J. / Porous ceramic anode materials for photo-microbial fuel cells. In: Journal of Materials Chemistry. 2011 ; Vol. 21, No. 44. pp. 18055-18060
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