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This study investigates the effectiveness of titanium dioxide (TiO2) on a floating microbial fuel cell (FMFC) and finds that the power density is improved up to five times when a UV cutoff filter is used.

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What they did

System
MFC

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Abstract

This study shows the effectiveness of titanium dioxide (TiO₂) on a floating microbial fuel cell (FMFC). In the experiment, when a UV cutoff filter attached halogen lamp was used, the power density of the FMFC using pristine TiO₂ (P25) and the FMFC using TiO₂ sintered at 650 °C were was 2.11mW/m 2 and 10.44 mW/m 2 respectively. Next, when measured without UV cutoff filter, pristine TiO₂ type FMFC and 650°C sintered TiO₂ type FMFC recorded 2.93 mW/m 2 and 11.93 mW/m 2 respectively. From this result, it was confirmed that the power density was improved up to five times when the UV cutoff filter was used and four times when it was not used. According to the results of X-ray Diffraction (XRD), 650°C sintered TiO₂ is composed of more rutile phase than pristine TiO₂.

Key findings

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Keywords

RutileTitanium dioxideCathodePower densityCutoffTitanium

Identifiers

DOI
10.4028/www.scientific.net/kem.896.67
Journal
Key Engineering Materials
Year
2021