NDLI: Engineering a membrane based air cathode for microbial fuel cells <i>via</i> hot pressing and using multi-catalyst layer stacking

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Emerging investigators series: sewer surveillance for monitoring antibiotic use and prevalence of antibiotic resistance: urban sewer epidemiology

Electrochemical technologies for wastewater treatment and resource reclamation

A novel multi-stage microbial desalination cell for simultaneous desalination and enhanced organics and nitrogen removal from domestic wastewater

Emerging investigators series: disinfection by-products in mixed chlorine dioxide and chlorine water treatment

Performance of a composite bioactive membrane for H₂ production and capture from high strength wastewater

Engineering a membrane based air cathode for microbial fuel cells via hot pressing and using multi-catalyst layer stacking

Understanding the hydrologic impacts of wastewater treatment plant discharge to shallow groundwater: before and after plant shutdown

Point-of-use water filters can effectively remove disinfection by-products and toxicity from chlorinated and chloraminated tap water

Integrating a microbial electrochemical system into a classical wastewater treatment configuration for removing nitrogen from low COD effluents

Correction: Cyanobacterial management in full-scale water treatment and recycling processes: reactive dosing following intensive monitoring

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Engineering a membrane based air cathode for microbial fuel cells via hot pressing and using multi-catalyst layer stacking

Content Provider	Royal Society of Chemistry (RSC)
Author	Logan, Bruce E. Yang, Wulin
Copyright Year	2016
Abstract	Microbial fuel cell (MFC) cathodes must have high performance and be resistant to water leakage. Hydrophobic poly(vinylidene fluoride) (PVDF) membranes have shown great advantages in providing a waterproof diffusion layer for MFCs and reducing the cathode costs. However, previous approaches have lacked a method to integrate the diffusion layer into the cathode structure. Here, a hot pressing was used to bind the PVDF diffusion layer onto the air side of the activated carbon cathode, and additional catalyst layers were added to improve performance. Cathodes pressed at 60 °C produced a 16% higher maximum power density of 1630 ± 10 mW m−2 than non-pressed controls (1400 ± 7 mW m−2). Cathode performance was further increased to 1850 ± 90 mW m−2 by catalyst stacking, through the addition of an extra catalyst layer (CL), which better utilized the available surface area of the stainless steel mesh (SS) current collector. The use of one stainless steel current collector and two catalyst layers (SS/2CLs) produced more positive cathode potentials compared to other designs (SS/CL or 2SS/2CL). Low material costs and high power production for MFCs using these cathodes could enable more cost effective power production using MFCs.
Starting Page	858
Ending Page	863
Page Count	6
File Format	HTM / HTML PDF
ISSN	20531400
Volume Number	2
Issue Number	5
Journal	Environmental Science: Water Research & Technology
DOI	10.1039/c6ew00098c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Microbial fuel cell Polyvinylidene fluoride Diffusion Cathode Hot pressing Activated carbon Stainless steel Schutzstaffel
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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