Nature
A weekly international journal publishing the finest peer-reviewed research in all fields of science and technology on the basis of its originality, importance, interdisciplinary interest, timeliness, accessibility, elegance and surprising conclusions.
The delamination between cathode and electrolyte during cell fabrication or thermal cycling is one of the most typical failures due to their thermo-mechanical incompatibility. We achieved thermo-mechanical compatibility and high activity in an SOFC cathode by a thermal-expansion offset approach.