Packed anode of microbial fuel cells(MFCs),commonly with a dense structure, suffers from the clogging,resulting in unsatisfied long-term stability of MFCs. Herein,we fabricate a biochar-based packed anode with a loose...Packed anode of microbial fuel cells(MFCs),commonly with a dense structure, suffers from the clogging,resulting in unsatisfied long-term stability of MFCs. Herein,we fabricate a biochar-based packed anode with a loose structure to enhance the long-term performance of MFCs equipped with packed anodes. The biochar, derived from cocklebur fruit, endows the packed anode with a loose structure but excellent conductivity. Once incorporated into MFCs, the biochar-based packed anode can yield comparable performance to benchmark materials. Particularly, the biochar-based MFCs present no obvious decrease of the power output during 150 days’ operation, which is attributed to the clogging-resistant effect induced by the loose structure of biochar-based anode. The cocklebur fruit-derived biochar can be a promising candidate for MFC anodes, and should facilitate both scaling-up and practical applications of MFCs.展开更多
基金supported by the National Key R&D Program of China (2017YFA0207201)the National Natural Science Foundation of China (21507059)+3 种基金the Natural Science Foundation of Jiangsu Province (BK20150948)Six Talent Peaks Project in Jiangsu Province (JNHB-038)the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of EducationYoung Elite Scientists Sponsorship Program by CAST (2017QNRC001)
文摘Packed anode of microbial fuel cells(MFCs),commonly with a dense structure, suffers from the clogging,resulting in unsatisfied long-term stability of MFCs. Herein,we fabricate a biochar-based packed anode with a loose structure to enhance the long-term performance of MFCs equipped with packed anodes. The biochar, derived from cocklebur fruit, endows the packed anode with a loose structure but excellent conductivity. Once incorporated into MFCs, the biochar-based packed anode can yield comparable performance to benchmark materials. Particularly, the biochar-based MFCs present no obvious decrease of the power output during 150 days’ operation, which is attributed to the clogging-resistant effect induced by the loose structure of biochar-based anode. The cocklebur fruit-derived biochar can be a promising candidate for MFC anodes, and should facilitate both scaling-up and practical applications of MFCs.
