Electricity production from human urine in ceramic microbial fuel cells with alternative non-ﬂuorinated polymer binders for cathode construction
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AutorSalar García, María José; Ortiz Martínez, Víctor Manuel; Gajda, Iwona; Greenman, John; Hernández Fernández, Francisco José; [et al.]
Área de conocimientoIngeniería Química
PatrocinadoresThis work was funded by the Ministry of Science and Innovation of Spain (MICINN), ref. CICYT ENE2011-25188, and the Séneca Foundation Ref. 18975/JLI/13. M.J. Salar-García is supported by the Ministry of Economy and Competitiveness (Ref: BES-2012-055350) and the mobility grant Ref. EEBB-I-16-11136. V.M. Ortiz-Martínez is supported by the Ministry of Education (Ref. FPU12/05444) and the mobility grant EST15/00469. These financial supports made possible the collaboration between the Polytechnic University of Cartagena and the Bristol BioEnergy Centre, University of the West of England. Ioannis Ieropoulos is supported by an EPSRC New Directions award, grant no. EP/L002132/1 and the Bill & Melinda Gates Foundation, grant no. OPP1094890. The authors would also like to thank Roca S.L. for providing the fine fire clay cylinders.
Fecha de publicación2017
Cita bibliográficaSalar-Garcia, M. J., Ortiz-Martinez, V., Gajda, I., Greenman, J., Hernández-Fernández, F. J., & Ieropoulos, I. (2017). Electricity production from human urine in ceramic microbial fuel cells with alternative non-fluorinated polymer binders for cathode construction. Separation and Purification Technology, 187, 436-442. https://doi.org/10.1016/j.seppur.2017.06.025
Revisión por paresSi.
Palabras claveCeramic microbial fuel cells
Polytetraﬂuoroethylene (PTFE) is one of the most common binders employed to prepare cathode elec-trodes in microbial fuel cells (MFCs) and yet this ﬂuorinated polymer is neither sustainable nor environ-mentally friendly. In this work, four non-ﬂuorinated polymers have been tested as alternative binders to PTFE in ceramic MFCs. The performance of ceramic MFCs using carbon-based cathodes containing sili-cone, polyvinyl chloride, Ludox (colloidal silica) and chitosan, was compared with the performance of MFCs using cathodes prepared with PTFE. The results obtained conﬁrm that polyvinylchloride, Ludox and chitosan are suitable materials to be used as binders for MFC cathode construction. Amongst them, Ludox and chitosan are the most sustainable options due to their chemical structure. Cathodes prepared with 2.5 wt% of chitosan – 8 times less than the amount needed for PTFE – in MFCs reached a maximum power of 510 lW, which represents 60.3% out of the power output from MFCs with PTFE-based ...
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