
Scanning electron microsopy images before and after stability
measurement for 700 h. Interface between PBSCF cathode and BZCYYb4411 electolyte (a)
before stability measurement. (b) after stability measurement. High-magnification of
microstructure of cathode. (c) before stability measurement. (d) after stability measurement. (e)
EDS line scan at the cathode and electrolyte interface after stability measurement
By combining a high-activity cathode with a new composition of matter, fuel cell operates at 500C – a commercialization sweet spot...
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