The role of oxygen vacancies of ABO 3 perovskite oxides in the oxygen reduction reaction

Q Ji, L Bi, J Zhang, H Cao, XS Zhao - Energy & Environmental Science, 2020 - pubs.rsc.org
The oxygen reduction reaction (ORR) is one of the most important electrochemical reactions
in energy conversion and storage technologies, such as fuel cells and metal–air batteries …

Review of composite cathodes for intermediate-temperature solid oxide fuel cell applications

AJ Abd Aziz, NA Baharuddin, MR Somalu… - Ceramics …, 2020 - Elsevier
A composite cathode exhibits low activation polarisation by spreading its electrochemically
active area within its volume. Composite cathodes enable the development of high …

Factors governing oxygen vacancy formation in oxide perovskites

RB Wexler, GS Gautam, EB Stechel… - Journal of the American …, 2021 - ACS Publications
The control of oxygen vacancy (VO) formation is critical to advancing multiple metal-oxide-
perovskite-based technologies. We report the construction of a compact linear model for the …

Defect graph neural networks for materials discovery in high-temperature clean-energy applications

MD Witman, A Goyal, T Ogitsu, AH McDaniel… - Nature Computational …, 2023 - nature.com
We present a graph neural network approach that fully automates the prediction of defect
formation enthalpies for any crystallographic site from the ideal crystal structure, without the …

Surface segregation in solid oxide cell oxygen electrodes: phenomena, mitigation strategies and electrochemical properties

K Chen, SP Jiang - Electrochemical Energy Reviews, 2020 - Springer
Solid oxide cells (SOCs) are highly efficient and environmentally benign devices that can be
used to store renewable electrical energy in the form of fuels such as hydrogen in the solid …

Recent advances in the heteroatom doping of perovskite oxides for efficient electrocatalytic reactions

Y Liu, H Huang, L Xue, J Sun, X Wang, P Xiong, J Zhu - Nanoscale, 2021 - pubs.rsc.org
Perovskite-type transition metal oxides have emerged as promising electrocatalysts for
various electrocatalytic reactions owing to their low cost, compositional tunability and high …

A high-entropy manganite in an ordered nanocomposite for long-term application in solid oxide cells

F Baiutti, F Chiabrera, M Acosta, D Diercks… - Nature …, 2021 - nature.com
The implementation of nano-engineered composite oxides opens up the way towards the
development of a novel class of functional materials with enhanced electrochemical …

Solid-state electrochemistry and solid oxide fuel cells: status and future prospects

SP Jiang - Electrochemical Energy Reviews, 2022 - Springer
Solid-state electrochemistry (SSE) is an interdisciplinary field bridging electrochemistry and
solid-state ionics and deals primarily with the properties of solids that conduct ions in the …

First-Principles Design of New Electrodes for Proton-Conducting Solid-Oxide Electrochemical Cells: A-Site Doped Sr2Fe1.5Mo0.5O6−δ Perovskite

AB Munoz-Garcia, M Pavone - Chemistry of Materials, 2016 - ACS Publications
Electrolyzer and fuel cells based on proton-conducting solid-oxide ceramics (PC-SOEC/FC)
are gaining wide interest as promising green technologies for H2 production and …

Potassium-Substituted LaMnO3 as a Highly Active and Exceptionally Stable Electrocatalyst toward Bifunctional Oxygen Reduction and Oxygen Evolution Reactions

V Kotha, I Karajagi, PC Ghosh… - ACS Applied Energy …, 2022 - ACS Publications
Efficient, low-cost, and long-lasting electrocatalysts that accelerate sluggish oxygen
evolution reaction (OER) and oxygen reduction reaction (ORR) kinetics are highly desirable …