Analysis of the Liquid Flow and By-product Behavior in the Anode-side Passage of a Direct Ethanol Polymer Electrolyte Fuel Cell

Analysis of the Liquid Flow and By-product Behavior in the Anode-side Passage of a Direct Ethanol Polymer Electrolyte Fuel Cell

A direct ethanol polymer electrolyte fuel cell (DEFC) is an energy conversion system suitable for recycle-oriented society on the point that it uses innocuous bio-fuel, but there exists a problem that its power generation performance is low. One of the causes is the generation and stagnation of by-p...

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Veröffentlicht in:Nihon Kikai Gakkai rombunshuu. B hen 2008/09/25, Vol.74(745), pp.2040-2048
Hauptverfasser: TAKADA, Yogo, TANINAKA, Satoshi, ISHII, Toshinaga, WAKISAKA, Tomoyuki
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Computational Fluid Dynamics
Flow Visualization
Liquid Fuel
Particle Image Velocimetry
Polymer Electrolyte Fuel Cell
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container_issue 745
container_start_page 2040
container_title Nihon Kikai Gakkai rombunshuu. B hen
container_volume 74
creator TAKADA, Yogo
TANINAKA, Satoshi
ISHII, Toshinaga
WAKISAKA, Tomoyuki
description A direct ethanol polymer electrolyte fuel cell (DEFC) is an energy conversion system suitable for recycle-oriented society on the point that it uses innocuous bio-fuel, but there exists a problem that its power generation performance is low. One of the causes is the generation and stagnation of by-products in the anode-side passage. In this study, the authors have conducted numerical and experimental analyses of the liquid flow in various types of channels in the anode-side passage for estimating the pressure loss between an inlet and an outlet, and also for investigating the behavior of by-products such as acetic acid produced in the passage. It has been found that a serpentine channel with branches is preferable because the pressure loss in the channel is much lower than in a serpentine channel and also the channel is likely to discharge by-products smoothly.
doi_str_mv 10.1299/kikaib.74.2040
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source J-STAGE Free; EZB-FREE-00999 freely available EZB journals
subjects Computational Fluid Dynamics
Flow Visualization
Liquid Fuel
Particle Image Velocimetry
Polymer Electrolyte Fuel Cell
title Analysis of the Liquid Flow and By-product Behavior in the Anode-side Passage of a Direct Ethanol Polymer Electrolyte Fuel Cell
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