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논문 기본 정보

자료유형
학술저널
저자정보
Taehui Nam (Chonnam National University) Sunghoon Son (Chonnam National University) Eojn Kim (Chonnam National University) Huong Viet Hoa Tran (Chonnam National University) Bonyoung Koo (Chonnam National University) Hyungwon Chai (Chonnam National University) Junhyuk Kim (Chonnam National University) Soumya Pandit (Ben-Gurion University of the Negev) Anup Gurung (Kangwon National University) Sang-Eun Oh (Kangwon National University) Eun Jung Kim (Mokpo National University) Yonghoon Choi (Chonnam National University) Sokhee P. Jung (Chonnam National University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제4호
발행연도
2018.12
수록면
383 - 389 (7page)

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초록· 키워드

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Microbial fuel cell (MFC) is an innovative environmental and energy system that converts organic wastewater into electrical energy. For practical implementation of MFC as a wastewater treatment process, a number of limitations need to be overcome. Improving cathodic performance is one of major challenges, and introduction of a current collector can be an easy and practical solution. In this study, three types of current collectors made of stainless steel (SS) were tested in a single-chamber cubic MFC. The three current collectors had different contact areas to the cathode (P 1.0 ㎠; PC 4.3 ㎠; PM 6.5 ㎠) and increasing the contacting area enhanced the power and current generations and coulombic and energy recoveries by mainly decreasing cathodic charge transfer impedance. Application of the SS mesh to the cathode (PM) improved maximum power density, optimum current density and maximum current density by 8.8%, 3.6% and 6.7%, respectively, comparing with P of no SS mesh. The SS mesh decreased cathodic polarization resistance by up to 16%, and cathodic charge transfer impedance by up to 39%, possibly because the SS mesh enhanced electron transport and oxygen reduction reaction. However, application of the SS mesh had little effect on ohmic impedance.

목차

ABSTRACT
1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-539-003101065