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Steady state creep was characterized for Ni-8YSZ solid oxide fuel/electrolysis cell (SOFC/SOEC) substrate material. Intrinsic and extrinsic factors affecting creep behavior were assessed, such as compositional ratio, porosity and mechanical loading configuration. Mechanical tests were supported by analytical and numerical calculations. The results indicated a diffusion-dominated creep mechanism under...
Performance degradation of cathodes caused by chromium deposition and poisoning is one of the major challenges to overcome for long-term operation of solid oxide fuel cells (SOFCs). To fundamentally understand the mechanisms of the degradation phenomenon, it is necessary to investigate the roles of humidity and cathodic current in chromium poisoning.In this study, anode-supported SOFCs, with Sr-doped...
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