Shaping techniques' influence on the electrochemical properties of BaCe0.6Zr0.3Y0.1O3-δ proton conductor

Antonio Hinojo, Enric Lujan, Ariadna Verdaguer, Jordi Abella, Sergi Colominas

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Hydrogen's significance as a clean and high-energy source spans various industries, driving advancements in fuel cell technology, transportation, and renewable energy storage systems. In particular, solid-state proton conductors like perovskite-type materials exhibit promising attributes for applications such as fuel cells and hydrogen sensors. However, conventional shaping techniques like uniaxial pressing impose limitations on device scalability and geometry. To address these challenges, alternative methods are gaining traction, like cold isostatic pressing or additive manufacturing. Each technique offers distinct advantages in shaping materials, impacting their structural and morphological properties. In this study, pellets of BaCe0.6Zr0.3Y0.1O3-δ (BCZY) solid-state electrolyte were fabricated using four different shaping techniques: uniaxial pressing, cold isostatic pressing, 3D extrusion, and lithography. Characterization via X-ray diffraction, scanning electron microscopy, and electrochemical impedance spectroscopy provided insights into changes in crystalline structure, sintering quality, and electrochemical properties, respectively.

Idioma originalAnglès
RevistaCeramics International
Estat de la publicacióAcceptada/en premsa - 2024


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