High performance spiral wound microbial fuel cell with hydraulic characterization

Alexander Haeger; Casey Forrestal; Pei Xu; Zhiyong Jason Ren

doi:10.1016/j.biortech.2014.09.153

High performance spiral wound microbial fuel cell with hydraulic characterization

Alexander Haeger, Casey Forrestal, Pei Xu, Zhiyong Jason Ren

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The understanding and development of functioning systems are crucial steps for microbial fuel cell (MFC) technology advancement. In this study, a compact spiral wound MFC (swMFC) was developed and hydraulic residence time distribution (RTD) tests were conducted to investigate the flow characteristics in the systems. Results show that two-chamber swMFCs have high surface area to volume ratios of 350-700m²/m³, and by using oxygen cathode without metal-catalysts, the maximum power densities were 42W/m³ based on total volume and 170W/m³ based on effective volume. The hydraulic step-input tracer study identified 20-67% of anodic flow dead space, which presents new opportunities for system improvement. Electrochemical tools revealed very low ohmic resistance but high charge transfer and diffusion resistance due to catalyst-free oxygen reduction. The spiral wound configuration combined with RTD tool offers a holistic approach for MFC development and optimization.

Original language	English (US)
Pages (from-to)	287-293
Number of pages	7
Journal	Bioresource Technology
Volume	174
DOIs	https://doi.org/10.1016/j.biortech.2014.09.153
State	Published - Dec 1 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Bioengineering
Waste Management and Disposal
Environmental Engineering
Renewable Energy, Sustainability and the Environment

Keywords

Dead space
Hydraulic residence time distribution
Microbial fuel cell
Spiral wound

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10.1016/j.biortech.2014.09.153

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title = "High performance spiral wound microbial fuel cell with hydraulic characterization",

abstract = "The understanding and development of functioning systems are crucial steps for microbial fuel cell (MFC) technology advancement. In this study, a compact spiral wound MFC (swMFC) was developed and hydraulic residence time distribution (RTD) tests were conducted to investigate the flow characteristics in the systems. Results show that two-chamber swMFCs have high surface area to volume ratios of 350-700m2/m3, and by using oxygen cathode without metal-catalysts, the maximum power densities were 42W/m3 based on total volume and 170W/m3 based on effective volume. The hydraulic step-input tracer study identified 20-67% of anodic flow dead space, which presents new opportunities for system improvement. Electrochemical tools revealed very low ohmic resistance but high charge transfer and diffusion resistance due to catalyst-free oxygen reduction. The spiral wound configuration combined with RTD tool offers a holistic approach for MFC development and optimization.",

keywords = "Dead space, Hydraulic residence time distribution, Microbial fuel cell, Spiral wound",

author = "Alexander Haeger and Casey Forrestal and Pei Xu and Ren, {Zhiyong Jason}",

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doi = "10.1016/j.biortech.2014.09.153",

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AU - Haeger, Alexander

AU - Forrestal, Casey

AU - Xu, Pei

AU - Ren, Zhiyong Jason

PY - 2014/12/1

Y1 - 2014/12/1

N2 - The understanding and development of functioning systems are crucial steps for microbial fuel cell (MFC) technology advancement. In this study, a compact spiral wound MFC (swMFC) was developed and hydraulic residence time distribution (RTD) tests were conducted to investigate the flow characteristics in the systems. Results show that two-chamber swMFCs have high surface area to volume ratios of 350-700m2/m3, and by using oxygen cathode without metal-catalysts, the maximum power densities were 42W/m3 based on total volume and 170W/m3 based on effective volume. The hydraulic step-input tracer study identified 20-67% of anodic flow dead space, which presents new opportunities for system improvement. Electrochemical tools revealed very low ohmic resistance but high charge transfer and diffusion resistance due to catalyst-free oxygen reduction. The spiral wound configuration combined with RTD tool offers a holistic approach for MFC development and optimization.

AB - The understanding and development of functioning systems are crucial steps for microbial fuel cell (MFC) technology advancement. In this study, a compact spiral wound MFC (swMFC) was developed and hydraulic residence time distribution (RTD) tests were conducted to investigate the flow characteristics in the systems. Results show that two-chamber swMFCs have high surface area to volume ratios of 350-700m2/m3, and by using oxygen cathode without metal-catalysts, the maximum power densities were 42W/m3 based on total volume and 170W/m3 based on effective volume. The hydraulic step-input tracer study identified 20-67% of anodic flow dead space, which presents new opportunities for system improvement. Electrochemical tools revealed very low ohmic resistance but high charge transfer and diffusion resistance due to catalyst-free oxygen reduction. The spiral wound configuration combined with RTD tool offers a holistic approach for MFC development and optimization.

KW - Dead space

KW - Hydraulic residence time distribution

KW - Microbial fuel cell

KW - Spiral wound

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High performance spiral wound microbial fuel cell with hydraulic characterization

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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