Durability of Solid Oxide Cells
-
Ruth Knibbe
,
Anne Hauch
Abstract
In recent years extended focus has been placed on monitoring and understanding degradation mechanisms in both solid oxide fuel cells and solid oxide electrolysis cells. The time-consuming nature of degradation experiments and the disparate conclusions from experiment reproductions indicates that not all degradation mechanisms are fully understood. Traditionally, cell degradation has been attributed to the materials, processing and cell operating conditions. More recently, focus has been placed on the effect of raw material and gas impurities and their long-term effect on cell degradation. Minor impurities have been found to play a significant role in degradation and in some cases can overshadow the cell operation condition related degradation phenomenon. In this review, several degradation diagnostic tools are discussed, a benchmark for a desirable degradation rate is proposed and degradation behaviour and mechanisms are discussed. For ease of navigation, the review is separated into the various cell components – fuel electrode, electrolyte and oxygen electrode. Finally, nano-particle impregnate stability is discussed.
Copyright © 2011 De Gruyter
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Artikel in diesem Heft
- Editorial
- Short Reports
- Post-Fukushima Energy Policy in Europe, USA, China and India
- Durability of Solid Oxide Cells
- Toxicological Issues of Nanoparticles Employed in Photocatalysis
- Solar Water Heaters: A Review of Systems Research and Design Innovation
- Hydrogen Production Technologies From Solar Thermal Energy
- Experimental Investigation on a Latent Heat Thermal Storage Unit for Solar Cooling Application
- Meteorological Aspects of Wind Park Design
- An Electrochemical Study of a Solid Oxide Fuel Cell Stack Operating at Intermediate Temperature for Distributed Generation Applications
