Ultralong distance hydrogen spillover enabled by valence changes in a metal oxide surface

T Kamada, T Ueda, S Fukuura, T Yumura… - Journal of the …, 2023 - ACS Publications
Hydrogen spillover is a phenomenon in which hydrogen atoms generated on metal catalysts
diffuse onto catalyst supports. This phenomenon offers reaction routes for functional …

Boosting electrocatalytic performance of Ruddlesden-Popper type Fe-based cathode catalysts by La and Ni co-doping for solid oxide fuel cells

T Ma, T Xia, Q Li, L Huo, H Zhao - International Journal of Hydrogen Energy, 2022 - Elsevier
Exploring advanced electrode materials with high electrochemical performance and
sufficient durability is crucial to the commercialization of solid oxide fuel cells (SOFCs) …

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 …

Emergence of Dynamically‐Disordered Phases During Fast Oxygen Deintercalation Reaction of Layered Perovskite

T Yamamoto, S Kawaguchi, T Kosuge… - Advanced …, 2023 - Wiley Online Library
Determination of a reaction pathway is an important issue for the optimization of reactions.
However, reactions in solid‐state compounds have remained poorly understood because of …

Fe-modified CuNi alloy catalyst as a nonprecious metal catalyst for three-way catalysis

H Asakura, M Kirihara, K Fujita… - Industrial & …, 2020 - ACS Publications
In this study, we explored the feasibility of using base metal catalysts for three-way catalysis.
The catalysts contain up to three base metals that were chosen to replace or reduce use of …

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 …

Strong Metal–Support Interaction in Pd/Ca2AlMnO5+δ: Catalytic NO Reduction over Mn-Doped CaO Shell

S Hosokawa, Y Oshino, T Tanabe, H Koga… - ACS …, 2021 - ACS Publications
The strong metal–support interaction (SMSI) prompts the reductive treatment-induced
encapsulation of platinum group metal (PGM) nanoparticles by reducible oxide catalyst …

Oxygen Storage Property and Catalytic Performance of Ti-Doped FeNbO4

C Iwasaki, Y Yoshiyama, S Hosokawa… - The Journal of …, 2024 - ACS Publications
Oxygen storage materials (OSMs) have potential applications in various fields, including
catalysis, wherein a high oxygen storage capacity is desired because lattice oxygen and …

Excellent Catalytic Activity of a Pd‐Promoted MnOx Catalyst for Purifying Automotive Exhaust Gases

S Hosokawa, T Shibano, H Koga, M Matsui… - …, 2020 - Wiley Online Library
Currently, there is a strong demand for new automotive catalysts with improved low‐
temperature activity and reduced precious metal use. Such catalysts must undergo …

Oxygen release and storage property of Fe–Al spinel compounds: a three-way catalytic reaction over a supported Rh catalyst

K Fujita, H Asakura, S Hosokawa… - … Applied Materials & …, 2021 - ACS Publications
We evaluated the catalytic performance of the Rh–Fe/Al2O3 catalyst during a three-way
catalytic reaction and found, by chance, that a part of Fe species was dissolved into the γ …