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Conductive polypyrrole hydrogels and carbon nanotubes composite as an anode for microbial fuel cells
Tang, Xinhua1,2; Li, Haoran3; Du, Zhuwei3; Wang, Weida4; Ng, How Yong1
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:63Pages:50968-50974
Abstract

Conducting polymer hydrogels, a unique class of materials having the advantageous features of both hydrogels and organic conductors, possess excellent electrochemical properties due to their intrinsic porous structure. Herein, we report a facile and scalable method for synthesizing conductive polypyrrole hydrogels/carbon nanotubes (CPHs/CNTs) using phytic acid as both gelator and dopant, and this composite was used as an anode in a dual-chamber microbial fuel cell (MFC). The high electrocatalytic activity of this material significantly reduced the interfacial charge transfer resistance and facilitated the extracellular electron transfer on the anode surface. The three dimensional porous structure and hydrophilicity of this composite enhanced the biofilm formation on the anode surface. CPHs/CNTs anode increased the maximum power density from 871 +/- 33 mW m(-2) to 1898 +/- 46 mW m(-2) and exhibited high stability in the two-chambered MFC. These results demonstrated that the synthesis of the CPHs/CNTs composite offered an effective approach towards enhancing the power production in MFCs.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra06064h
Indexed BySCI
Language英语
WOS KeywordWASTE-WATER TREATMENT ; ELECTRICITY PRODUCTION ; ELECTRON-TRANSFER ; POWER PRODUCTION ; PERFORMANCE ; GENERATION ; OXIDATION ; GRAPHITE
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000356303000039
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19299
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 117576, Singapore
3.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
4.Univ Sci & Technol Beijing, Civil & Environm Engn Sch, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Tang, Xinhua,Li, Haoran,Du, Zhuwei,et al. Conductive polypyrrole hydrogels and carbon nanotubes composite as an anode for microbial fuel cells[J]. RSC ADVANCES,2015,5(63):50968-50974.
APA Tang, Xinhua,Li, Haoran,Du, Zhuwei,Wang, Weida,&Ng, How Yong.(2015).Conductive polypyrrole hydrogels and carbon nanotubes composite as an anode for microbial fuel cells.RSC ADVANCES,5(63),50968-50974.
MLA Tang, Xinhua,et al."Conductive polypyrrole hydrogels and carbon nanotubes composite as an anode for microbial fuel cells".RSC ADVANCES 5.63(2015):50968-50974.
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