期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 182, 期 -, 页码 86-93出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2016.07.008
关键词
Ceramics; Composite material; Organic compounds; Electrochemical techniques
资金
- Department of Science and Technology, Govt. of India [DST/TSG/NTS/2010/61]
Composite membranes were developed from PVA-borosilicate (MP) and PVA-Nafion-borosilicate (MPN) for application in microbial fuel cells (MFCs). The membranes were characterized in terms of water uptake, PBS uptake, oxygen diffusion and proton conductivity. Proton conductivity for MPN (0.07 Scm(-1)) was found to be higher as compared to that of MP (0.03 Scm(-1)). Oxygen diffusion coefficient for MPN was 1.47 fold lower than that for MP. As a result, MFC with PVA-Nafion-borosilicate membrane exhibited maximum power density of 6.8 Wm(-3), which was 151% higher than the power produced by MFC having PVA-borosilicate membrane and it was comparable with MFC using Nafion 117 (7.1 Wm(-3)) membrane separator. This study demonstrates that borosilicate glass membrane incorporated with PVA-Nafion matrix can be a suitable alternative to costly polymeric membrane to increase power output of MFC. Using such membranes MFC can be fabricated at around 11 fold reduced cost as compared to Nafion 117. (C) 2016 Elsevier B.V. All rights reserved.
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