Supplementary information
From the following article:
A thermally self-sustained micro solid-oxide fuel-cell stack with high power density
Zongping Shao, Sossina M. Haile, Jeongmin Ahn, Paul D. Ronney, Zhongliang Zhan and Scott A. Barnett
Nature 435, 795-798(9 June 2005)
doi:10.1038/nature03673
Supplementary Discussion
An analysis of the influence of heat recirculation on thermal self-sustainability of the fuel cells is presented.
Supplementary Figure S1
Impedance spectra of both a single cell and the fuel cell stack are presented, along with a detailed legend.
Supplementary Figure S2
The conductivity of Sm0.15Ce0.85O1.925 prepared by three different methods is compared.
Supplementary Figure S3
Images of as-prepared fuel cells are presented.
Supplementary Figure S4
A thermodynamic analysis of the conditions under which carbon deposition is expected is presented.
Supplementary Figure S5
These images show the extent of carbon coking on fuel cells exposed to various conditions, and the role of the catalyst in preventing coking.
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