Solid oxide fuel cell stacks using extruded honeycomb type elements

A solid oxide fuel cell (SOFC) stack concept is described which comprises “condensed-tubes” like extruded honeycomb sections of ceramic electrolyte (ZrO 2-based) and interconnectors of nickel sheet as key elements. According to this concept, well known and extensively tested construction principles...

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Veröffentlicht in:Journal of power sources 1999, Vol.83 (1), p.148-155
Hauptverfasser: Wetzko, M., Belzner, A., Rohr, F.J., Harbach, F.
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container_end_page 155
container_issue 1
container_start_page 148
container_title Journal of power sources
container_volume 83
creator Wetzko, M.
Belzner, A.
Rohr, F.J.
Harbach, F.
description A solid oxide fuel cell (SOFC) stack concept is described which comprises “condensed-tubes” like extruded honeycomb sections of ceramic electrolyte (ZrO 2-based) and interconnectors of nickel sheet as key elements. According to this concept, well known and extensively tested construction principles can be realised in a low-cost production. The cells are self-supported with in-plane conduction. A demonstrator model stack of five honeycomb elements and six nickel sheet seals/interconnectors was built and operated for 860 h at 1000°C. Volumetric power densities of 160 kW/m 3 were obtained with H 2 vs. air, of close to 200 kW/m 3 with H 2 vs. O 2.
doi_str_mv 10.1016/S0378-7753(99)00289-X
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subjects Applied sciences
Demonstrator stack
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Extruded honeycomb
Fuel cell
Fuel cells
Honeycomb
SOFC
Stack test
title Solid oxide fuel cell stacks using extruded honeycomb type elements
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