Triple ionic–electronic conducting oxides for next-generation electrochemical devices
Triple ionic–electronic conductors (TIECs) are materials that can simultaneously transport
electronic species alongside two ionic species. The recent emergence of TIECs provides …
electronic species alongside two ionic species. The recent emergence of TIECs provides …
Design principle and assessing the correlations in Sb-doped Ba0. 5Sr0. 5FeO3–δ perovskite oxide for enhanced oxygen reduction catalytic performance
Lack of fundamental understanding of the oxygen reduction reaction (ORR) hampers the
development of effective metal oxide catalysts and advance low-temperature solid oxide fuel …
development of effective metal oxide catalysts and advance low-temperature solid oxide fuel …
Key role of interfacial cobalt segregation in stable low-resistance composite oxygen-reducing electrodes
A Ishii, N Nemoto, M Yamaguchi… - … applied materials & …, 2023 - ACS Publications
The development of efficient and stable oxygen-reducing electrodes is challenging but vital
for the production of efficient electrochemical cells. Composite electrodes composed of …
for the production of efficient electrochemical cells. Composite electrodes composed of …
Insight into low-temperature sintering of samarium-doped ceria mixed with scavenging lithium
A Ishii, H Ishijima, K Kobayashi, I Oikawa, H Takamura - Acta Materialia, 2022 - Elsevier
The refractory nature of oxide-ion conducting Sm-doped CeO 2 (SDC) has hindered the
development of SDC devices. Lithium has been found to be an excellent sintering aid that …
development of SDC devices. Lithium has been found to be an excellent sintering aid that …
Robust in situ exsolved nanocatalysts on perovskite oxide as an efficient anode for hydrocarbon fueled solid oxide fuel cells
Y Zhu, T Liu, Y Wang, X Zhang, C Ren, W Li… - Sustainable Energy & …, 2022 - pubs.rsc.org
In this work, three highly active anode materials are developed to effectively catalyze
hydrogen and hydrocarbons in solid oxide fuel cells (SOFCs). A-site deficient (Pr0. 5Ba0. 5) …
hydrogen and hydrocarbons in solid oxide fuel cells (SOFCs). A-site deficient (Pr0. 5Ba0. 5) …
Proton conductivity of Li+–H+ exchanged Li 7 La 3 Zr 2 O 12 dense membranes prepared by molten long-chain saturated fatty acids
A Ishii, D Kume, S Nakayasu, I Oikawa… - Materials …, 2024 - pubs.rsc.org
Alkali-proton-exchanged oxides have broad potential as proton-conducting solid-state
electrolytes for fuel cells and electrolyzers. However, materials in this class have not been …
electrolytes for fuel cells and electrolyzers. However, materials in this class have not been …
Protonation-Induced B-Site Deficiency in Perovskite-Type Oxides: Fully Hydrated BaSc0.67O(OH)2 as a Proton Conductor
H Kawamori, I Oikawa, H Takamura - Chemistry of Materials, 2021 - ACS Publications
One of the concepts for the design of a highly proton-conductive perovskite-type oxide is to
increase the proton concentration. In this study, we focused on Ba–Sc oxide known for its …
increase the proton concentration. In this study, we focused on Ba–Sc oxide known for its …
Phonon vibrations and photoluminescence emissions and their correlations with the electrical properties in Er3+ doped Bi3YO6 oxide-ion conductors
The phonon variations, photoluminescence emission and electrical properties were
systematically studied in Er 3+ doped Bi 3 YO 6 (Bi 3 Y 1− x Er x O 6) oxide-ion conductors …
systematically studied in Er 3+ doped Bi 3 YO 6 (Bi 3 Y 1− x Er x O 6) oxide-ion conductors …
[HTML][HTML] Phase engineering of a donor-doped air electrode for reversible protonic ceramic electrochemical cells
K Xu, H Zhang, Y Xu, D Liu, F Zhu, F He, Y Liu… - Advanced Powder …, 2024 - Elsevier
Reversible protonic ceramic electrochemical cells (R-PCECs) demonstrate great feasibility
for efficient energy storage and conversion. One critical challenge for the development of R …
for efficient energy storage and conversion. One critical challenge for the development of R …
Compound semiconductor dopability assessed via the maximum Carrier-to-Dopant ratio and facilitated by an algorithmic determination of the fixed doping level defect …
Kröger–Vink diagrams (KVD) are used to visualize the concentrations of defects across
different thermodynamic conditions, such as temperature and chemical potential. For doped …
different thermodynamic conditions, such as temperature and chemical potential. For doped …