A bioelectrochemical system (BES) can be operated in both "microbial fuel cell" (MFC) and "microbial electrolysis cell" (MEC) modes, in which power is delivered and invested respectively. To enhance the electric current production, a BES was operated in MFC mode first and a capacitor was used to collect power from the system. Then the charged capacitor discharged electrons to the system itself, switching into MEC mode. This alternate charging and discharging (ACD) mode helped the system produce 22-32% higher average current compared to an intermittent charging (IC) mode, in which the capacitor was first charged from an MFC and then discharged to a resistor, at 21.6 Omega external resistance, 3.3 F capacitance and 300 mV charging voltage. The effects of external resistance, capacitance and charging voltage on average current were studied. The average current reduced as the external resistance and charging voltage increased and was slightly affected by the capacitance. Acquisition of higher average current in the ACID mode was attributed to the shorter discharging time compared to the charging time, as well as a higher anode potential caused by discharging the capacitor. Results from circuit analysis and quantitatively calculation were consistent with the experimental observations.
机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Cao, Xiaoxin
;
Huang, Xia
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Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Huang, Xia
;
Liang, Peng
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Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Liang, Peng
;
Xiao, Kang
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Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Xiao, Kang
;
Zhou, Yingjun
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Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Zhou, Yingjun
;
Zhang, Xiaoyuan
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Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Zhang, Xiaoyuan
;
Logan, Bruce E.
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机构:
Penn State Univ, Inst Environm Engn, University Pk, PA 16802 USATsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
机构:
Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Donovan, Conrad
;
Dewan, Alim
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Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Ctr Environm Sediment & Aquat Res, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Dewan, Alim
;
Heo, Deukhyoun
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Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Heo, Deukhyoun
;
Beyenal, Haluk
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Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Ctr Environm Sediment & Aquat Res, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
机构:
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Donovan, Conrad
;
Dewan, Alim
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Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Dewan, Alim
;
Peng, Huan
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Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Peng, Huan
;
Heo, Deukhyoun
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Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Heo, Deukhyoun
;
Beyenal, Haluk
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Cao, Xiaoxin
;
Huang, Xia
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机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Huang, Xia
;
Liang, Peng
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h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Liang, Peng
;
Xiao, Kang
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h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Xiao, Kang
;
Zhou, Yingjun
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机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Zhou, Yingjun
;
Zhang, Xiaoyuan
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h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Zhang, Xiaoyuan
;
Logan, Bruce E.
论文数: 0引用数: 0
h-index: 0
机构:
Penn State Univ, Inst Environm Engn, University Pk, PA 16802 USATsinghua Univ, Dept Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
机构:
Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Donovan, Conrad
;
Dewan, Alim
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Ctr Environm Sediment & Aquat Res, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Dewan, Alim
;
Heo, Deukhyoun
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h-index: 0
机构:
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Heo, Deukhyoun
;
Beyenal, Haluk
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
Washington State Univ, Ctr Environm Sediment & Aquat Res, Pullman, WA 99164 USAWashington State Univ, Sch Chem Engn & Bioengn, Pullman, WA 99164 USA
机构:
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Donovan, Conrad
;
Dewan, Alim
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Dewan, Alim
;
Peng, Huan
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h-index: 0
机构:
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Peng, Huan
;
Heo, Deukhyoun
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA
Heo, Deukhyoun
;
Beyenal, Haluk
论文数: 0引用数: 0
h-index: 0
机构:
Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USAWashington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Ctr Environm Sediment & Aquat Res, Pullman, WA 99163 USA