Abstract
Metal-supported solid oxide cells with P434L stainless steel support and BZCYYb-4411 electrode backbone and electrolyte layers are fabricated. Sintering aids for the ceramic layer are optimized. LiF is found to lower the ceramic sintering temperature too much. Manganese oxide enhances sintering and densification without dramatically reducing the sintering onset temperature. The impact of metal particle size on sintering is assessed. A symmetric structure helps to prevent warping or cracking arising from residual mis-match between the metal and ceramic sintering shrinkage. Intact cell structures are successfully prepared with <15 μm stainless steel particles and 2 wt% manganese oxide added to the BZCYYb-4411 layers.
Published Version
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