Triple ionic–electronic conducting oxides for next-generation electrochemical devices

M Papac, V Stevanović, A Zakutayev, R O'Hayre - Nature materials, 2021 - nature.com
Triple ionic–electronic conductors (TIECs) are materials that can simultaneously transport
electronic species alongside two ionic species. The recent emergence of TIECs provides …

Emerging computational and machine learning methodologies for proton-conducting oxides: materials discovery and fundamental understanding

S Fujii, J Hyodo, K Shitara, A Kuwabara… - … and technology of …, 2024 - Taylor & Francis
This review presents computational and machine learning methodologies developed during
a 5-year research project on proton-conducting oxides. The main goal was to develop …

Proton uptake into the protonic cathode material BaCo0. 4Fe0. 4Zr0. 2O3-δ and comparison to protonic electrolyte materials

R Zohourian, R Merkle, J Maier - Solid State Ionics, 2017 - Elsevier
Proton uptake in mixed-conducting cathode materials is of particular interest as it allows the
oxygen reduction reaction to proceed via the bulk path in proton conducting ceramic fuel …

Hydration entropy of BaZrO 3 from first principles phonon calculations

TS Bjørheim, EA Kotomin, J Maier - Journal of Materials Chemistry A, 2015 - pubs.rsc.org
The impact of phonons on the hydration and defect thermodynamics of undoped and
acceptor (Sc, In, Y and Gd) doped BaZrO3 is addressed by means of first principles …

The pivotal role of the dopant choice on the thermodynamics of hydration and associations in proton conducting BaCe 0.9 X 0.1 O 3− δ (X= Sc, Ga, Y, In, Gd and Er)

A Løken, TS Bjørheim, R Haugsrud - Journal of Materials Chemistry A, 2015 - pubs.rsc.org
The choice of acceptor has been demonstrated to result in distinctly different hydration
properties in proton conducting perovskites such as BaZrO3 and BaCeO3 and may as such …

On the relationship between chemical expansion and hydration thermodynamics of proton conducting perovskites

TS Bjørheim, A Løken, R Haugsrud - Journal of Materials Chemistry A, 2016 - pubs.rsc.org
In this contribution, we determine the compositional dependence of the chemical expansion
and entropy of hydration of the proton conducting perovskites BaZrO3, BaSnO3, BaCeO3 …

A high-temperature electrochemical sensor based on CaZr0.95Sc0.05O3–δ for humidity analysis in oxidation atmospheres

AS Kalyakin, JG Lyagaeva, AY Chuikin… - Journal of Solid State …, 2019 - Springer
A way of in situ water vapor partial pressure determination in oxidizing atmospheres and
high temperatures is proposed in this work, utilizing a new and simple amperometric-type …

Conductivities and transport properties of Ca (Zr/Hf) 0.9 Sc0. 1O2. 95

W Huang, Y Li, H Lu, Y Ding, Y Liu - Ceramics International, 2021 - Elsevier
Doped CaZrO 3 proton conductors are promising materials for electrochemical hydrogen
sensors, which have already been used in commercialized hydrogen sensors for aluminum …

Transport properties of B-site codoped CaHfO 3 proton conductors with octahedral distortion

W Huang, M Lv, Y Li, Y Ding, J Lu, C Zhuang, P Yue… - RSC …, 2024 - pubs.rsc.org
Perovskite-type solid electrolytes exhibit a diverse range of conductive properties due to the
competition and coupling of multiple degrees of freedom. In perovskite structures, B-site and …

Oxygen isotope exchange in doped calcium and barium zirconates

AS Farlenkov, MV Ananyev, VA Eremin… - Solid State Ionics, 2016 - Elsevier
The oxygen tracer diffusion coefficient and the oxygen surface exchange coefficient were
measured in CaZr 1− x Sc x O 3− x/2 (x= 0, 0.01, 0.05) and BaZr 0.8 Y 0.2 O 2.9 zirconates …