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Polyaniline/β-MnO2 nanocomposites as cathode electrocatalyst for oxygen reduction reaction in microbial fuel cells.
Chemosphere. 2018 May; 198:482-491.C

Abstract

An efficient and inexpensive catalyst for oxygen reduction reaction (ORR), polyaniline (PANI) and β-MnO2 nanocomposites (PANI/β-MnO2), was developed for air-cathode microbial fuel cells (MFCs). The PANI/β-MnO2, β-MnO2, PANI and β-MnO2 mixture modified graphite felt electrodes were fabricated as air-cathodes in double-chambered MFCs and their cell performances were compared. At a dosage of 6 mg cm-2, the maximum power densities of MFCs with PANI/β-MnO2, β-MnO2, PANI and β-MnO2 mixture cathodes reached 248, 183 and 204 mW m-2, respectively, while the cathode resistances were 38.4, 45.5 and 42.3 Ω, respectively, according to impedance analysis. Weak interaction existed between the rod-like β-MnO2 and surficial growth granular PANI, this together with the larger specific surface area and PANI electric conducting nature enhanced the electrochemical activity for ORR and improved the power generation. The PANI/β-MnO2 nanocomposites are a promising cathode catalyst for practical application of MFCs.

Authors+Show Affiliations

Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China. Electronic address: huzhaoxia@njust.edu.cn.Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210018, China. Electronic address: chensw@njust.edu.cn.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29427950

Citation

Zhou, Xinxing, et al. "Polyaniline/β-MnO2 Nanocomposites as Cathode Electrocatalyst for Oxygen Reduction Reaction in Microbial Fuel Cells." Chemosphere, vol. 198, 2018, pp. 482-491.
Zhou X, Xu Y, Mei X, et al. Polyaniline/β-MnO2 nanocomposites as cathode electrocatalyst for oxygen reduction reaction in microbial fuel cells. Chemosphere. 2018;198:482-491.
Zhou, X., Xu, Y., Mei, X., Du, N., Jv, R., Hu, Z., & Chen, S. (2018). Polyaniline/β-MnO2 nanocomposites as cathode electrocatalyst for oxygen reduction reaction in microbial fuel cells. Chemosphere, 198, 482-491. https://doi.org/10.1016/j.chemosphere.2018.01.058
Zhou X, et al. Polyaniline/β-MnO2 Nanocomposites as Cathode Electrocatalyst for Oxygen Reduction Reaction in Microbial Fuel Cells. Chemosphere. 2018;198:482-491. PubMed PMID: 29427950.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Polyaniline/β-MnO2 nanocomposites as cathode electrocatalyst for oxygen reduction reaction in microbial fuel cells. AU - Zhou,Xinxing, AU - Xu,Yunzhi, AU - Mei,Xiaojie, AU - Du,Ningjie, AU - Jv,Rongmao, AU - Hu,Zhaoxia, AU - Chen,Shouwen, Y1 - 2018/01/18/ PY - 2017/09/19/received PY - 2018/01/12/revised PY - 2018/01/13/accepted PY - 2018/2/11/pubmed PY - 2018/6/13/medline PY - 2018/2/11/entrez KW - Cathode catalyst KW - Microbial fuel cell KW - Oxygen reduction reaction KW - PANI/β-MnO(2) nanocomposites SP - 482 EP - 491 JF - Chemosphere JO - Chemosphere VL - 198 N2 - An efficient and inexpensive catalyst for oxygen reduction reaction (ORR), polyaniline (PANI) and β-MnO2 nanocomposites (PANI/β-MnO2), was developed for air-cathode microbial fuel cells (MFCs). The PANI/β-MnO2, β-MnO2, PANI and β-MnO2 mixture modified graphite felt electrodes were fabricated as air-cathodes in double-chambered MFCs and their cell performances were compared. At a dosage of 6 mg cm-2, the maximum power densities of MFCs with PANI/β-MnO2, β-MnO2, PANI and β-MnO2 mixture cathodes reached 248, 183 and 204 mW m-2, respectively, while the cathode resistances were 38.4, 45.5 and 42.3 Ω, respectively, according to impedance analysis. Weak interaction existed between the rod-like β-MnO2 and surficial growth granular PANI, this together with the larger specific surface area and PANI electric conducting nature enhanced the electrochemical activity for ORR and improved the power generation. The PANI/β-MnO2 nanocomposites are a promising cathode catalyst for practical application of MFCs. SN - 1879-1298 UR - https://www.unboundmedicine.com/medline/citation/29427950/Polyaniline/β_MnO2_nanocomposites_as_cathode_electrocatalyst_for_oxygen_reduction_reaction_in_microbial_fuel_cells_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(18)30066-3 DB - PRIME DP - Unbound Medicine ER -