Improvement in photo-potential characteristics of TiO2 electrode assembling to marine microbial fuel cell

S. Tamura, M. Morita, S. Motoda, Susumu Uematsu, T. Shinohara

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The double layered TiO2 photo anode which coated by squeegee printing and thermal spraying methods was assembled to marine microbial fuel cell (MFC) for improvement of the battery power output. Results from experimental, by using the double layered anode for MFC, cell voltage increases 120 mV and maximum power density enhances 1.4 times compared with the value of single layered one coated by squeegee printing method. The double layered electrode has anatase/rutile heterojunction, therefore it promotes the electron transfer between base metal and TiO2 coating interface. Furthermore, the hetero-junction effect at anatase/rutile interface is enhanced by the acceleration of the hole migration into anatase/electrolyte interface because of the photocatalysis at the intermediate layer. In addition, the double layered electrode has a high durability against the cyclic irradiation because TiO 2 intermediate layer behaves as a corrosion protective barrier which suppresses the direct contact between electrolyte and base metal.

Original languageEnglish
Pages (from-to)39-46
Number of pages8
JournalECS Transactions
Volume58
Issue number30
DOIs
Publication statusPublished - 2013 Jan 1
Externally publishedYes

Fingerprint

Microbial fuel cells
Titanium dioxide
Electrodes
Printing
Anodes
Electrolytes
Thermal spraying
Photocatalysis
Metals
Heterojunctions
Durability
Irradiation
Corrosion
Coatings
Electrons
Electric potential

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Improvement in photo-potential characteristics of TiO2 electrode assembling to marine microbial fuel cell. / Tamura, S.; Morita, M.; Motoda, S.; Uematsu, Susumu; Shinohara, T.

In: ECS Transactions, Vol. 58, No. 30, 01.01.2013, p. 39-46.

Research output: Contribution to journalArticle

Tamura, S. ; Morita, M. ; Motoda, S. ; Uematsu, Susumu ; Shinohara, T. / Improvement in photo-potential characteristics of TiO2 electrode assembling to marine microbial fuel cell. In: ECS Transactions. 2013 ; Vol. 58, No. 30. pp. 39-46.
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