Wastewater treatment and electricity generation from a sunlight-powered single chamber microbial fuel cell

被引：34
|
作者：
Lee, Sung Hyun [1 ]
Lee, Kyeong-Seok [1 ]
Sorcar, Saurav [1 ]
Razzaq, Abdul [1 ,2 ]
Grimes, Craig A. [3 ]
In, Su-Il [1 ]
机构：
[1] DGIST, Dept Energy Sci & Engn, 333 Techno Jungang Daero, Dalseong Gun 42988, Daegu, South Korea
[2] COMSATS Inst Informat Technol, Dept Chem Engn, 1-5 KM Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan
[3] Flux Photon Corp, 116 Donmoor Court, Garner, NC 27529 USA
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 358卷
基金：
新加坡国家研究基金会;
关键词：
TiO2 nanotube arrays; Photoanode; Microbial fuel cell; Methylene blue; Electricity generation; ENHANCED SIMULTANEOUS DECOLORIZATION; METHYLENE-BLUE DEGRADATION; TITANIUM-DIOXIDE FILMS; AZO-DYE; BIOELECTRICITY GENERATION; AIR-CATHODE; PHOTOCATALYTIC DEGRADATION; AQUEOUS-SOLUTION; REDOX MEDIATORS; MODIFIED ANODE;
D O I：
10.1016/j.jphotochem.2017.10.030
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel hybrid single chamber microbial fuel cell is described in which a TiO2 nanotube array (TNT) photoanode is coupled with a conventional bioanode to achieve simultaneous degradation of methylene blue (MB) dye with improved power generation. As compared to a conventional microbial fuel cell (MFC), the described hybrid-MFC exhibits enhanced power density (14%), current density (33%), and voltage (4%) while simultaneously degrading MB dye, 82.79% after 3.5 h of operation under simulated solar light illumination. The key factor attributed to the enhanced performance is the addition of photogenerated electrons to the MFC external circuit. The effect of various design configurations is also investigated, such as the presence of an air cathode, anode type, and illumination. The hybrid-MFC strategy provides new directions for productive and economical utilization of microbial fuel cells. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：432 / 440
页数：9
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