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Polyaniline and iron based catalysts as air cathodes for enhanced oxygen reduction in microbial fuel cells
Tang, Xinhua1,2; Li, Haoran3; Du, Zhuwei3; Ng, How Yong1
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:97Pages:79348-79354
Abstract

The catalyst for oxygen reduction in a cathode is vital for power production in microbial fuel cells (MFCs). In this study, non-precious metal catalysts were prepared by a high-temperature treatment of the iron containing polyaniline as both nitrogen and carbon precursor. These catalysts showed very positive onset potentials and less than 3% yield of hydrogen peroxide in the whole potential range, which matched the state-of-the-art Pt/C. The MFC with a bare cathode only produced a maximum power density of 1.32 W m(-3), while the MFCs with a PANI(900), PANI-Fe-700, and PANI-Fe-900 cathode had a maximum power density of 3.00 W m(-3), 7.45 W m(-3), and 12.54 W m(-3), respectively. Physical and chemical characterizations of the catalysts indicated that iron coordinated with pyridinic nitrogen hosted in micropores was responsible for the high catalytic activity. These results demonstrate that these catalysts are excellent cathodes for MFCs due to their high catalytic activity, strong stability and low cost.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra16148g
Indexed BySCI
Language英语
WOS KeywordWASTE-WATER TREATMENT ; ELECTRICITY PRODUCTION ; POWER-GENERATION ; CARBON ; ELECTROCATALYSTS ; GRAPHENE ; PERFORMANCE ; GRAPHITE ; BACTERIA ; DENSITY
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000361834900015
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19615
Collection生化工程国家重点实验室
Affiliation1.Natl Univ Singapore, Dept Civil & Environm Engn, Ctr Water Res, Singapore 117576, Singapore
2.Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Singapore 117456, Singapore
3.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tang, Xinhua,Li, Haoran,Du, Zhuwei,et al. Polyaniline and iron based catalysts as air cathodes for enhanced oxygen reduction in microbial fuel cells[J]. RSC ADVANCES,2015,5(97):79348-79354.
APA Tang, Xinhua,Li, Haoran,Du, Zhuwei,&Ng, How Yong.(2015).Polyaniline and iron based catalysts as air cathodes for enhanced oxygen reduction in microbial fuel cells.RSC ADVANCES,5(97),79348-79354.
MLA Tang, Xinhua,et al."Polyaniline and iron based catalysts as air cathodes for enhanced oxygen reduction in microbial fuel cells".RSC ADVANCES 5.97(2015):79348-79354.
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