NDLI: Development of cation exchange resin-polymer electrolyte membranes for microbial fuel cell application

Content Provider	Springer Nature Link
Author	Narayanaswamy Venkatesan, Prabhu Dharmalingam, Sangeetha
Copyright Year	2015
Abstract	A new class of composite membranes was made based on sulfonated poly ether ether ketone (SPEEK) incorporated with micron-sized sulfonate styrene-crosslinked divinyl benzene-based cation exchange resin particles as fillers with desired properties of higher ion exchange capacity, lower oxygen crossover, lesser mono, and divalent alkali cation transport for microbial fuel cell (MFC) applications. Such cation exchange resin-based composite membranes showed good membrane homogeneity as revealed from SEM images. XRD patterns showed better amorphous nature for the composite membranes with increase in resin loading. FT-IR spectra of composite membranes showed the presence of hydrogen bonding between the sulfonated PEEK and resin. The effects of existence of hydrogen bonding in the properties of membranes such as water uptake, transport of cations other than proton, oxygen crossover, and proton conductivity were discussed. The composite membranes showed one order lesser oxygen mass transfer coefficient (K $_{o}$) in the range of 10$^{−6}$ cm/s when compared to Nafion membranes. The composite membranes were tested in a single chamber Pt/C-coated air cathode MFC with Escherichia coli as anodic microbial inoculum. With resin, the SPEEK composite membranes showed higher power density value of 410 mW/m$^{2}$ for 7.5 % IER + SPEEK composite membrane compared to that of Nafion (47 mW/m$^{2}$) and SPEEK (77 mW/m$^{2}$) membranes with same configuration.
Starting Page	6302
Ending Page	6312
Page Count	11
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	50
Issue Number	19
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2015-06-30
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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