Performance of an Anode-Supported Honeycomb Solid Oxide Fuel Cell

Hironori Nakajima

doi:10.4028/www.scientific.net/MSF.783-786.1698

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HomeMaterials Science ForumMaterials Science Forum Vols. 783-786Performance of an Anode-Supported Honeycomb Solid...

Performance of an Anode-Supported Honeycomb Solid Oxide Fuel Cell

Abstract:

An anode-supported honeycomb solid oxide fuel cell can work with high power density and improve thermo-mechanical durability at high temperatures. We have thus fabricated the honeycomb cell with an electrolyte layer of 8YSZ on an anode honeycomb substrate of Ni/8YSZ. The cathode layer is LSM-YSZ composite. Current-voltage and current-power density characteristics of the cells having different anode and cathode flow channel configurations are measured under different hydrogen flow rates. We also evaluate the hydrogen mole fraction distributions in the honeycomb cell using finite element method, and discuss appropriate anode and cathode flow channel configurations. The present study is a starting point of developing an anode-supported honeycomb cell for cell stacks assembled with multiple and large scale honeycomb cells which can achieve high efficiency flow channel and current collecting configurations, and enhanced thermo-mechanical durability.

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Periodical:

Materials Science Forum (Volumes 783-786)

Pages:

1698-1703

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.783-786.1698

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Online since:

May 2014

Authors:

Hironori Nakajima*

Keywords:

Flow Channel Configuration, Fuel Partial Pressure Distribution, Honeycomb Support

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