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Rechargeable Microbial Fuel Cell Based on Bidirectional Extracellular Electron Transfer by Na Chu; Lixia Zhang; Wen Hao; Qinjun Liang; Yong Jiang; Raymond Jianxiong Zeng is a Engineering article available to read on EtoBox.

What is Rechargeable Microbial Fuel Cell Based on Bidirectional Extracellular Electron Transfer about?

Rechargeable microbial electrochemical systems can be used as renewable energy storage systems or as potable bioelectronics devices. In this study, a bioelectrode capable of bidirectional extracellular electron transfer was firstly introduced to construct the rechargeable microbial fuel cell (MFC). The performance of rechargeable MFC was enhanced with the increase of charge/discharge cycles, and a maximum energy efficiency of 4.5 ± 0.2% and Coulombic efficiency of 29.4 ± 4.1% were obtained. H was the main charge carrier, while the accumulated acetate was only about 10 mg L. The charge time under constant current mode largely affected the energy recovery. A decreased abundance of Mycobacteria, Geobacter, and Azospirillum, accompanied by an increase of Azonexus and Rhodococcus was observed in the rechargeable MFC, compared to control tests fueled with acetate. This study demonstrates the potential of bioelectrode for energy storage and recovery.

Who reads Rechargeable Microbial Fuel Cell Based on Bidirectional Extracellular Electron Transfer?

Author

Na Chu; Lixia Zhang; Wen Hao; Qinjun Liang; Yong Jiang; Raymond Jianxiong Zeng

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)