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Design of 500 W Class SOFC Stack with Homogeneous Cell Performance

Publications associées (45)

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One of the main drawbacks of anode-supported solid oxide fuel cell technology is the limited capability to withstand reduction and oxidation (“RedOx”) of the Ni phase. This study compares the effect of RedOx cycles on curvature and strength of half-cells, ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2010

Single and multi-junction thin film silicon solar cells for flexible photovoltaics

Thomas Söderström

This thesis investigates amorphous (a-Si:H) and microcrystalline (μc-Si:H) solar cells deposited by very high frequency plasma enhanced chemical vapor deposition (VHF-PECVD) in the n-i-p or substrate configuration. It focuses on processes that allow the us ...

University of Neuchâtel2009

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Hydrogenated microcrystalline silicon growth by very high frequency plasma-enhanced chemical vapor deposition is investigated in an industrial-type parallel plate R&D KAI (TM) reactor to study the influence of pressure and silane depletion on material qual ...

2009

Impact of Materials and Design on Solid Oxide Fuel Cell Stack Operation

Jan Van Herle, Stefan Diethelm, Zacharie Wuillemin, Arata Nakajo, Nordahl Autissier

Planar SOFC stack technology based on a unique concept (SOFConnex™) uses structured gas distribution layers between unprofiled metal sheet interconnects and thin Ni-YSZ anode supported electrolyte cells. The layers are flexible both in material and designa ...

2008

Modeling of Local Cell Degradation in Solid Oxide Fuel Cells: Cumulative Effect of Critical Operating Points

Daniel Favrat, Jan Van Herle, Stefan Diethelm, Antonin Faes, Zacharie Wuillemin, Arata Nakajo, Nordahl Autissier

A CFD model was developed to predict with accuracy the local electrochemical performance in an operating solid oxide fuel cell. A particular focus was given on the study of performance limitations and degradation sources caused by the design of the fuel ce ...

European Fuel Cell Forum2008

This paper reports on medium term tests of anode-supported five-cell short stacks, as well as on some separate anode development. Two stacks were operated under steady-state conditions: one with unprotected metal interconnects, H2 fuel and 0.35Acm−2 (40% f ...

2008

Design of 500 W Class SOFC Stack with Homogeneous Cell Performance

Jan Van Herle, Stefan Diethelm, Zacharie Wuillemin, Arata Nakajo, Nordahl Autissier, Emily Thorn

Our planar SOFC stacking technology uses unprofiled metallic interconnects (MIC) and thin cells of tape cast anode supported YSZ. The key element is the gas diffusion layer (GDL) between cell and MIC, which consists of so-called SOFConnex™. Using square ce ...

The Electrochemical Society2007

Dynamic behaviour of SOFC short stacks

Jan Van Herle, Raphaël Ihringer, Nicolas Badel, Nordahl Autissier, Diego Larrain, Joseph Sfeir

Electrical output behaviour obtained on solid oxide fuel cell stacks, based on planar anode supported cells (50 or 100 cm2 active area) and metallic interconnects, is reported. Stacks (1–12 cells) have been operated with cathode air and anode hydrogen flow ...

2006

Topography Mediated Patterning of Inorganic Materials by Spray Pyrolysis

Nico de Rooij, Danick Briand

A simple technique for microstructuring ceramic thin films by micromachining substrates using standard photolithographic techniques was investigated. The ceramic perovskite is used to illustrate the method because of its importance for the fabrication of e ...

2006

Innovative flexible SOFC stack concept

Jan Van Herle, Stefan Diethelm

We present a SOFC stack technology based on the unique SOFConnex™ concept. It uses flexible gas distribution layers between metal sheet interconnects and thin ASE cells (Ni-YSZ anode supported, thin electrolyte). Flexibility is given both in material and d ...

2005