Reactivity of Lattice Oxygen in Ti-Site-Substituted SrTiO3 Perovskite Catalysts

Y Yoshiyama, S Hosokawa, M Haneda… - … Applied Materials & …, 2023 - ACS Publications
An environmental catalyst in which a transition metal (Mn, Fe, or Co) was substituted into the
Ti site of the host material, SrTiO3, was synthesized, and the reactivity of lattice oxygen was …

Oxygen Storage Characteristics and Redox Behaviors of Lanthanum Perovskite Oxides with Transition Metals in the B-Sites

Y Jiang, Z Li, T Zhu, D Li, H Wang, X Zhu - Energy & Fuels, 2023 - ACS Publications
Perovskites are typical oxygen storage materials that find many chemical, energy, and
environmental applications. Lanthanum-based perovskite oxides represent a large family of …

Oxygen Storage Capacity of Co-Doped SrTiO3 with High Redox Performance

Y Yoshiyama, S Hosokawa, H Asakura… - The Journal of …, 2022 - ACS Publications
We prepared Co-doped SrTiO3 materials with a high level of structural stability and
investigated their oxygen storage capacity (OSC). These materials can release and store a …

NOx Oxidation and Storage Properties of a Ruddlesden–Popper-Type Sr3Fe2O7−δ-Layered Perovskite Catalyst

K Tamai, S Hosokawa, H Okamoto… - … Applied Materials & …, 2019 - ACS Publications
The development of NO x-trapping catalysts for automobiles is highly desired to meet the
current strict exhaust emission regulations. This study demonstrates that NO x oxidation and …

Improvement of Oxygen Storage Capacity by Charge Transfer via Oxygen Ions in Sr3Fe2–xNixO7.0−δ

T Ota, Y Morikawa - Chemistry of Materials, 2024 - ACS Publications
In this study, based on the first-principles theoretical analysis of the atomic and electronic
structures in Sr3Fe2–x Ni x O7. 0− δ, we propose a mechanism where charge transfer via …

Modulation of iron-based perovskites for enhanced electrocatalytic oxygen evolution reaction by a multi-method approach

B Dongyang, W Yang, Q Ye, Z Ma, S Lai, F Dong… - Journal of Alloys and …, 2023 - Elsevier
Perovskite oxides have been a hot topic of research in the field of water electrolysis due to
their tunable construction; however, the poor conductivity and insufficient electrocatalytic …

NOx Storage Performance at Low Temperature over Platinum Group Metal-Free SrTiO3-Based Material

Y Yoshiyama, S Hosokawa, K Tamai… - … Applied Materials & …, 2021 - ACS Publications
Pt-based catalysts are commonly employed as NO x-trapping catalysts for automobiles,
while perovskite oxides have received attention as Pt-free NO x-trapping catalysts. However …

In situ exsolution of Ni–Co alloys from A-site-deficient perovskite for efficient ammonia decomposition

H Ren, G Zhi, C Chen, H Fang, Z Lin, L Lin… - International Journal of …, 2024 - Elsevier
Developing efficient and robust catalysts for hydrogen production by ammonia
decomposition is of importance towards the “zero-carbon” economy. Herein, a series of B …

Sr-Doped Ca2AlMnO5 + δ for Energy-Saving Oxygen Separation Process

K Tanahashi, Y Omura, H Naya… - ACS Sustainable …, 2021 - ACS Publications
Pressure swing adsorption (PSA) is expected to replace the currently used energy-intensive
cryogenic distillation process for oxygen separation. For realizing an energy-saving PSA, an …

Striking Oxygen-Release/Storage Properties of Fe-Site-Substituted Sr3Fe2O7−δ

K Beppu, S Hosokawa, A Demizu… - The Journal of …, 2018 - ACS Publications
The present study explores the oxygen-storage capacity of Sr3Fe2O7− δ doped by other
transition metals. Sr3Fe2O7− δ doped with Mn, Co, or Ni exhibited higher oxygen-storage …