期刊
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
卷 19, 期 -, 页码 94-101出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seta.2016.11.006
关键词
Microbial fuel cell (MFC); 3D printing; Additive manufacturing (AM); Polymer membrane; PLA based polymer anode
资金
- Engineering and Physical Sciences Research Council (EPSRC) UK [EP/N005740/1]
- EPSRC [EP/N005740/1, EP/L002132/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N005740/1, EP/L002132/1] Funding Source: researchfish
For practical applications of the MFC technology, the design as well as the processes of manufacturing and assembly, should be optimised for the specific target use. Another burgeoning technology, additive manufacturing (3D printing), can contribute significantly to this approach by offering a high degree of design freedom. In this study, we investigated the use of commercially available 3D printable polymer materials as the MFC membrane and anode. The best performing membrane material, Gel-Lay, produced a maximum power of 240 +/- 11 mu W, which was 1.4-fold higher than the control CEM with PMAX of 177 +/- 29 mu W. Peak power values of Gel-Lay (133.8-184.6 mu W) during fed-batch cycles were also higher than the control (133.4-160.5 mu W). In terms of material cost, the tested membranes were slightly higher than the control CEM, primarily due to the small purchased quantity. Finally, the first 3D printable polymer anode, a conductive PLA material, showed significant potential as a low-cost and easy to fabricate MFC anode, producing a stable level of power output, despite poor conductivity and relatively small surface area per unit volume. These results demonstrate the practicality of monolithic MFC fabrication with individually optimised components at relatively low cost. (C) 2016 The Authors. Published by Elsevier Ltd.
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