Abstract
Work performed by Chen and Dahn on coating commercial LiCoO2 powders with numerous oxides has shown that the nature of the oxide is not important, especially considering that “bare” LiCoO2 also showed an improvement in properties after heat treatment. The improvement was attributed to removal of moisture from the surface of the grains. In the area of solid oxide fuel cells, a key advance has been the discovery of a promising Ni-free perovskite anode, (La0.75Sr0.25)0.9Cr0.5Mn0.5O3, which shows good redox stability and is resistant to coking.
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