Impact of NiO pre-doping on CoO incorporation into BaZr0.4Ce0.4Y0.1Yb0.1O3−δ and BaZr0.1Ce0.7Y0.1Yb0.1O3−δ electrolytes

Key Points

• NiO pre-doping enhances CoO incorporation, leading to improved electrolyte conductivity.
• Incorporating NiO results in a notable increase in ionic conductivity measured across both BZCY and BZYYb samples.
• Assessment using advanced characterization techniques reveals significant changes in the perovskite structure and conductivity metrics.
• These findings may enable more efficient energy solutions using optimized electrolyte compositions in fuel cells.