Cold sintering of BaZr0.8Y0.2O3-ẟ ceramics: Phase formation and grain boundary properties

Kindelmann, Moritz; Ebert, Julian N.; Jennings, Dylan; Sebold, Doris; Rheinheimer, Wolfgang; Bram, Martin; Mayer, Joachim; Guillon, Olivier

doi:10.1016/j.jeurceramsoc.2023.12.060

Journal of the European Ceramic Society

2024

DOI: 10.1016/j.jeurceramsoc.2023.12.060

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Cold sintering of BaZr0.8Y0.2O3-ẟ ceramics: Phase formation and grain boundary properties

Moritz Kindelmann,

Julian N. Ebert,

Dylan Jennings

et al.

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Cited by 3 publications

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Water-mediated production of K0.5Na0.5NbO3 piezoelectric ceramics with cold-sintering assisted route: Enhanced dielectric properties

Azadeh,

Zhuo,

Zahler

et al. 2025

Journal of the European Ceramic Society

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Water-mediated production of K0.5Na0.5NbO3 piezoelectric ceramics with cold-sintering assisted route: Enhanced dielectric properties

Azadeh,

Zhuo,

Zahler

et al. 2025

Journal of the European Ceramic Society

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Mixed protonic–electronic conducting ceramic membranes for hydrogen separation: A review on recent advances in structure optimization and preparation

Dou,

Wang,

Yao

2025

Separation and Purification Technology

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Exploring the Potential of Cold Sintering for Proton-Conducting Ceramics: A Review

Bartoletti,

Mercadelli,

Gondolini

et al. 2024

Materials

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Proton-conducting ceramic materials have emerged as effective candidates for improving the performance of solid oxide cells (SOCs) and electrolyzers (SOEs) at intermediate temperatures. BaCeO3 and BaZrO3 perovskites doped with rare-earth elements such as Y2O3 (BCZY) are well known for their high proton conductivity, low operating temperature, and chemical stability, which lead to SOCs’ improved performance. However, the high sintering temperature and extended processing time needed to obtain dense BCZY-type electrolytes (typically > 1350 °C) to be used as SOC electrolytes can cause severe barium evaporation, altering the stoichiometry of the system and consequently reducing the performance of the final device. The cold sintering process (CSP) is a novel sintering technique that allows a drastic reduction in the sintering temperature needed to obtain dense ceramics. Using the CSP, materials can be sintered in a short time using an appropriate amount of a liquid phase at temperatures < 300 °C under a few hundred MPa of uniaxial pressure. For these reasons, cold sintering is considered one of the most promising ways to obtain ceramic proton conductors in mild conditions. This review aims to collect novel insights into the application of the CSP with a focus on BCZY-type materials, highlighting the opportunities and challenges and giving a vision of future trends and perspectives.

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Cold sintering of BaZr0.8Y0.2O3-ẟ ceramics: Phase formation and grain boundary properties

Cited by 3 publications

References 54 publications

Water-mediated production of K0.5Na0.5NbO3 piezoelectric ceramics with cold-sintering assisted route: Enhanced dielectric properties

Water-mediated production of K0.5Na0.5NbO3 piezoelectric ceramics with cold-sintering assisted route: Enhanced dielectric properties

Mixed protonic–electronic conducting ceramic membranes for hydrogen separation: A review on recent advances in structure optimization and preparation

Exploring the Potential of Cold Sintering for Proton-Conducting Ceramics: A Review

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