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High electrical energy harvesting performance of an integrated microbial fuel cell and low voltage booster-rectifier system treating domestic wastewater
Bioresource Technology ( IF 9.7 ) Pub Date : 2022-06-13 , DOI: 10.1016/j.biortech.2022.127455 N'Dah Joel Koffi 1 , Satoshi Okabe 1
Bioresource Technology ( IF 9.7 ) Pub Date : 2022-06-13 , DOI: 10.1016/j.biortech.2022.127455 N'Dah Joel Koffi 1 , Satoshi Okabe 1
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To harvest directly usable electrical energy from real domestic wastewater, a new power management system (PMS), transistor-based low voltage boosters followed by a voltage rectifier (LVBR), was developed and tested for its energy harvesting performance. Three air–cathode MFCs were individually linked with LVBs, which were electrically stacked in parallel and then connected with a single voltage rectifier (MFC-LVBR). The MFC-LVBR system could increase Vto 11.9 ± 0.6 V without voltage reversal, which was capable of charging a lithium-ion batteryand supercapacitor-based power banks. When the integrated MFC-LVBR system was linked with a lithium-ion battery, the highest normalized energy recovery (NER) of 0.76 kWh/kg-COD (NERof 0.22 kWh/m) was achieved with a minimal energy loss of 14.4%, whichwas much higher than those previously reported values.Furthermore, the electrical energy charged in the lithium-ion battery successfully powered a DC peristaltic pump requiring a minimum operating power of 0.46 W.
中文翻译：
集成微生物燃料电池和低压升压整流系统处理生活废水的高电能收集性能
为了从实际生活废水中直接获取可用的电能，开发了一种新的电源管理系统（PMS），即基于晶体管的低压升压器和电压整流器（LVBR），并对其能量收集性能进行了测试。三个空气阴极MFC分别与LVB连接，LVB并联电堆叠，然后与单电压整流器（MFC-LVBR）连接。 MFC-LVBR系统可以在没有电压反转的情况下将V增加到11.9±0.6V，能够为锂离子电池和基于超级电容器的移动电源充电。当集成MFC-LVBR系统与锂离子电池连接时，最高归一化能量回收（NER）为0.76 kWh/kg-COD（NER为0.22 kWh/m），能量损失最小为14.4%，远高于之前报道的值。此外，锂离子电池中充电的电能成功地为需要最小工作功率0.46 W的直流蠕动泵提供动力。
更新日期：2022-06-13
中文翻译：
集成微生物燃料电池和低压升压整流系统处理生活废水的高电能收集性能
为了从实际生活废水中直接获取可用的电能，开发了一种新的电源管理系统（PMS），即基于晶体管的低压升压器和电压整流器（LVBR），并对其能量收集性能进行了测试。三个空气阴极MFC分别与LVB连接，LVB并联电堆叠，然后与单电压整流器（MFC-LVBR）连接。 MFC-LVBR系统可以在没有电压反转的情况下将V增加到11.9±0.6V，能够为锂离子电池和基于超级电容器的移动电源充电。当集成MFC-LVBR系统与锂离子电池连接时，最高归一化能量回收（NER）为0.76 kWh/kg-COD（NER为0.22 kWh/m），能量损失最小为14.4%，远高于之前报道的值。此外，锂离子电池中充电的电能成功地为需要最小工作功率0.46 W的直流蠕动泵提供动力。
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