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Application of Co-naphthalocyanine (CoNPc) as alternative cathode catalyst and support structure for microbial fuel cells |
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| Authors: | Jung Rae KimJy-Yeon Kim Sang-Beom HanKyung-Won Park GD SarataleSang-Eun Oh |
| Institution: | a Sustainable Environment Research Centre (SERC), Faculty of Advanced Technology, University of Glamorgan, Pontypridd, Mid-Glamorgan, CF37 1DL, United Kingdom b Department of Chemical and Environmental Engineering, Soongsil University, Seoul 156-743, Republic of Korea c Department of Biological Environment, Kangwon National University, Chuncheon, Kangwon-do, Republic of Korea |
| Abstract: | Co-naphthalocyanine (CoNPc) was prepared by heat treatment for cathode catalysts to be used in microbial fuel cells (MFCs). Four different catalysts (Carbon black, NPc/C, CoNPc/C, Pt/C) were compared and characterized using XPS, EDAX and TEM. The electrochemical characteristics of oxygen reduction reaction (ORR) were compared by cyclic voltammetry (CV) and linear sweep voltammetry (LSV). The Co-macrocyclic complex improves the catalyst dispersion and oxygen reduction reaction of CoNPc/C. The maximum power of CoNPc/C was 64.7 mW/m2 at 0.25 mA as compared with 81.3 mW/m2 of Pt/C, 29.7 mW/m2 of NPc/C and 9.3 mW/m2 of carbon black when the cathodes were implemented in H-type MFCs. The steady state cell, cathode and anode potential of MFC with using CoNPc/C were comparable to those of Pt/C. |
| Keywords: | Microbial fuel cell (MFCs) Cathode catalyst Co-naphthalocyanine (CoNPc) Cobalt Power generation |
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