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A. Ishihara · SciRah

Researcher profile · Semantic Scholar

A. Ishihara

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A. Ishihara — researcher profile on SciRah

h-index: 31
Works: 216
Citations: 3,037

Most-cited papers

Carbon Nanotube‐Based Non‐Precious Metal Electrode Catalysts for Fuel Cells, Water Splitting and Zinc‐Air Batteries
Jun Yang, Pandian Ganesan, A. Ishihara, N. Nakashima
201945 citations
Semantic Scholar
Zirconium Oxynitride-Catalyzed Oxygen Reduction Reaction at Polymer Electrolyte Fuel Cell Cathodes
M. Chisaka, A. Ishihara, H. Morioka, T. Nagai +5 more
2017ACS Omega45 citations Open access
Semantic Scholar
Noncrystalline Titanium Oxide Catalysts for Electrochemical Oxygen Reduction Reactions
Satoshi Tominaka, A. Ishihara, T. Nagai, K. Ota
2017ACS Omega33 citations Open access
Semantic Scholar
Indium oxide supported Pt–In alloy nanocluster catalysts with enhanced catalytic performance toward oxygen reduction reaction
Yunlv Cheng, Xin-Shu Zhao, Yulv Yu, Lifang Chen +6 more
202029 citations
Semantic Scholar
Emergence of Oxygen Reduction Activity in Zirconium Oxide-Based Compounds in Acidic Media: Creation of Active Sites for the Oxygen Reduction Reaction
A. Ishihara, T. Nagai, K. Ukita, M. Arao +13 more
2019Journal of Physical Chemistry C27 citations
Semantic Scholar
Titanium-Niobium Oxides Mixed with Ti4O7 as Precious-Metal- and Carbon-Free Cathodes for Polymer Electrolyte Fuel Cells
A. Ishihara, Makoto Hamazaki, M. Arao, M. Matsumoto +5 more
201625 citations
Semantic Scholar
Synthesis of nano-TaO(x) oxygen reduction reaction catalysts on multi-walled carbon nanotubes connected via a decomposition of oxy-tantalum phthalocyanine.
A. Ishihara, M. Chisaka, Y. Ohgi, K. Matsuzawa +2 more
2015Physical Chemistry, Chemical Physics - PCCP25 citations
Semantic Scholar
Effect of Reheating Treatment on Oxygen-Reduction Activity and Stability of Zirconium Oxide-Based Electrocatalysts Prepared from Oxy-Zirconium Phthalocyanine for Polymer Electrolyte Fuel Cells
Y. Okada, A. Ishihara, M. Matsumoto, M. Arao +5 more
201520 citations Open access
Semantic Scholar
Titanium-niobium oxides as non-noble metal cathodes for polymer electrolyte fuel cells
A. Ishihara, Y. Tamura, M. Chisaka, Y. Ohgi +4 more
201520 citations Open access
Semantic Scholar
Tantalum oxide-based electrocatalysts made from oxy-tantalum phthalocyanines as non-platinum cathodes for polymer electrolyte fuel cells
Naoki Uehara, A. Ishihara, M. Matsumoto, H. Imai +4 more
201518 citations
Semantic Scholar
Recent Advances in Nanocarbon-based Nonprecious Metal Catalysts for Oxygen/Hydrogen Reduction/Evolution Reactions and Zn-air Battery
Pandian Ganesan, A. Ishihara, A. Staykov, N. Nakashima
2023Bulletin of the Chemical Society of Japan17 citations
Semantic Scholar
Nano-TaOxNy particles synthesized from oxy-tantalum phthalocyanine: how to prepare precursors to enhance the oxygen reduction reaction activity after ammonia pyrolysis?
M. Chisaka, A. Ishihara, Naoki Uehara, M. Matsumoto +2 more
201517 citations
Semantic Scholar
Factors affecting oxygen reduction activity of Nb2O5-doped TiO2 using carbon nanotubes as support in acidic solution
A. Ishihara, Chumeng Wu, T. Nagai, K. Ohara +9 more
2018Electrochimica Acta16 citations
Semantic Scholar
Challenge of advanced low temperature fuel cells based on high degree of freedom of group 4 and 5 metal oxides
A. Ishihara, Satoshi Tominaka, S. Mitsushima, H. Imai +2 more
2020Current Opinion in Electrochemistry13 citations
Semantic Scholar
Temperature dependence of oxygen reduction mechanism on a titanium oxide–based catalyst made from oxy–titanium tetra–pyrazino–porphyrazine using carbon nano-tubes as support in acidic solution
Tomoaki Hayashi, A. Ishihara, T. Nagai, M. Arao +5 more
201611 citations
Semantic Scholar
Kinetic study of oxygen reduction reaction on tantalum oxide-based electrocatalysts produced from oxy-tantalum phthalocyanines in acidic media
Naoki Uehara, A. Ishihara, T. Nagai, M. Matsumoto +5 more
201511 citations
Semantic Scholar
Niobium-added titanium oxides powders as non-noble metal cathodes for polymer electrolyte fuel cells – Electrochemical evaluation and effect of added amount of niobium
A. Ishihara, M. Arao, M. Matsumoto, T. Tokai +6 more
20209 citations Open access
Semantic Scholar
Templated Synthesis of Carbon-Free Mesoporous Magnéli-Phase Titanium Suboxide
Yoshiyuki Kuroda, Hikaru Igarashi, T. Nagai, T. Napporn +4 more
2019Electrocatalysis9 citations
Semantic Scholar
Determination of Oxygen‐Reduction‐Reaction Active Sites of Tantalum Oxide‐based Cathodes Used for Polymer Electrolyte Fuel Cells
T. Asada, M. Arao, K. Kubobuchi, M. Mogi +5 more
20148 citations
Semantic Scholar
Control of surface area and conductivity of niobium-added titanium oxides as durable supports for cathode of polymer electrolyte fuel cells
Yong-Bing Ma, T. Nagai, Y. Inoue, K. Ikegami +6 more
2021Materials & Design (1980-2015)7 citations Open access
Semantic Scholar
Synthesis and characterization of titanium oxynitride catalyst via direct ammonia nitridation of titanium polyacrylate for oxygen reduction reaction
Yushi Tamaki, S. Seino, Naoki Shinyoshi, Yuta Uetake +4 more
2024Journal of Materials Science: Materials in Engineering6 citations Open access
Semantic Scholar
Fe, N-doped SrTiO3 synthesized using pyrazine carboxylic acid-metal complexes: application as an oxygen reduction catalyst for polymer electrolyte fuel cell cathodes in acidic media
Yuu Takeuchi, K. Matsuzawa, T. Nagai, K. Ikegami +3 more
2023Bulletin of the Chemical Society of Japan6 citations
Semantic Scholar
Catalytic activity of zirconia on zirconium for the oxygen evolution reaction in potassium hydroxide
K. Matsuzawa, A. Ishihara, Ayaka Oishi, S. Mitsushima +1 more
20216 citations
Semantic Scholar
Durability of Titanium-niobium Oxides Mixed with Ti₄O₇ as Non-precious- and Carbon-free Cathodes for PEFCs in H₂SO₄ at 80℃ (Innovative Battery Development)
Makoto Hamazaki, A. Ishihara, Yuji Kohno, K. Matsuzawa +2 more
20156 citations Open access
Semantic Scholar
Transition Metal Oxides, Carbides, Nitrides, Oxynitrides, and Carbonitrides for O2 Reduction Reaction Electrocatalysts for Acid PEM Fuel Cells
A. Ishihara, H. Imai, K. Ota
20145 citations
Semantic Scholar
Degradation Analysis of Pt/Nb–Ti4O7 as PEFC Cathode Catalysts with Controlled Arc Plasma–deposited Platinum Content
Yong-Bing Ma, Hirokata Kajima, Yuta Shimasaki, T. Nagai +6 more
2022Electrochemistry4 citations Open access
Semantic Scholar
Enhancement of Oxygen Reduction Activity of Fe-added Zirconium Oxide Electrocatalysts without Conductive Supports in Sulfuric Acid
Yuu Takeuchi, Keita Watanabe, K. Matsuzawa, T. Nagai +3 more
2022Chemistry Letters4 citations
Semantic Scholar
Effect of Semiconducting Properties of Oxide-Based Compounds on Oxygen Reduction Activity in Acidic Media
A. Ishihara, J. Hirata, T. Nagai, Yoshiyuki Kuroda +5 more
2020ECS Meeting Abstracts4 citations Open access
Semantic Scholar
Kinetic Study of Oxygen Reduction Reaction in Acid Solution Using Titanium Oxide-based Catalysts Prepared from Oxy-titanium Tetra-pyrazino-porphyrazine
Tomoaki Hayashi, A. Ishihara, Naoki Uehara, Yuji Kohno +3 more
20154 citations Open access
Semantic Scholar
Development of Group 4 and 5 Metal Oxide Cathode with Electron Conductive Oxide
K. Ota, Makoto Hamazaki, K. Matsuzawa, S. Mitsushima +1 more
20154 citations Open access
Semantic Scholar
Improvement of the Electrocatalytic Activity of Zirconium Oxide-Based Catalyst for ORR
Yohei Okada, A. Ishihara, M. Arao, M. Matsumoto +5 more
20144 citations Open access
Semantic Scholar
Recent Progress in Non-precious Metal Fuel Cell Catalysts
Y. Nabae, A. Ishihara
2018Nanocarbons for Energy Conversion: Supramolecular Approaches3 citations
Semantic Scholar
Reduced Titanium Oxide as Carbon-Free Support of Non-Precious Metal Oxide-Based Cathodes for PEFCs
Hikaru Igarashi, A. Ishihara, T. Nagai, Satoshi Tominaka +4 more
20163 citations Open access
Semantic Scholar
Active Sites for Oxygen Reduction Reaction in Tantalum Oxynitride Nanoparticles on Multi-Walled Carbon Nanotubes Synthesized Using Ammonia Pyrolysis
M. Chisaka, A. Ishihara, Naoki Uehara, K. Ota
20153 citations
Semantic Scholar
Synthesis and characterization of zirconium oxide-based catalysts for the oxygen reduction reaction via the heat treatment of zirconium polyacrylate in an ammonia atmosphere
Atsuhiro Ueno, S. Seino, Yushi Tamaki, Yuta Uetake +4 more
2025Journal of Materials Science2 citations Open access
Semantic Scholar
Effect of particle size on the oxygen reduction reaction activity of carbon‐supported niobium-oxide‐based nanoparticle catalysts
Naoki Shinyoshi, S. Seino, Yuta Hasegawa, Yuta Uetake +4 more
2025Journal of Materials Science2 citations Open access
Semantic Scholar
Radiation-induced synthesis of carbon-supported niobium oxide nanoparticle catalysts and investigation of heat treatment conditions to improve the oxygen reduction reaction activity
Naoki Shinyoshi, S. Seino, Y. Uetake, T. Nagai +3 more
2023Journal of the Ceramic Society of Japan2 citations Open access
Semantic Scholar
Analysis Method for Rotating Disk Voltammograms of Electrocatalytic Reaction —Oxygen Reduction Reaction—
Y. Yokoyama, T. Nagai, A. Ishihara, M. Yamamoto +3 more
2022Electrochemistry2 citations Open access
Semantic Scholar
Selective control of degree of nitridation of titanium oxynitride in carbon composites by adjusting trace oxygen under ammonia atmosphere
Yushi Tamaki, S. Seino, Yuta Uetake, T. Nagai +3 more
2025Journal of Alloys and Compounds Communications1 citations Open access
Semantic Scholar
Improvement of ORR Activity of Monoclinic Zirconium Oxides by Fe and F Co-addition for PEFC Cathodes
Yuu Takeuchi, K. Matsuzawa, Yasuke Matsuoka, Keita Watanabe +3 more
2023Electrochemistry1 citations Open access
Semantic Scholar
Oxygen reduction reaction (ORR) in acidic media with nanostructured metal oxide-based electrocatalysts
A. Ishihara, Y. Yamamoto, O. Sugino, K. Ota
20211 citations
Semantic Scholar
Activity and Durability of Titanium Oxide-Based Electrocatalyst for Oxygen Evolution Reaction in Alkaline Solution
K. Matsuzawa, Ryu Suzuki, Atsushi Nozaka, A. Ishihara
2021ECS Meeting Abstracts1 citations
Semantic Scholar
P-Doped SnO2 Powder as a Support for PEFC Cathode
Y. Inoue, K. Matsuzawa, Yong-Bing Ma, Y. Ohgi +4 more
2020ECS Meeting Abstracts1 citations Open access
Semantic Scholar
Factors Affecting ORR Activity of Nb-Added TiOx Catalyst Using Carbon Support for PEFC
Y. Adachi, T. Nagai, Yoshiyuki Kuroda, Y. Ohgi +4 more
2020ECS Meeting Abstracts1 citations Open access
Semantic Scholar
Zirconium Nitride and Oxynitride for New Cathode of Polymer Electrolyte Fuel Cell
S. Doi, Yan Liu, A. Ishihara, S. Mitsushima +2 more
2019ECS Transactions1 citations
Semantic Scholar
Effect of Nitrogen Doping on Oxygen Reduction Activity of TiO2 in Acidic Media
A. Ishihara, T. Nagai, N. Murase, M. Arao +7 more
2019ECS Transactions1 citations Open access
Semantic Scholar
Titanium Oxide Nano-Particles as Supports of Cathode Catalysts for Polymer Electrolyte Fuel Cells
Yong-Bing Ma, Yunlv Cheng, Y. Inoue, T. Nagai +6 more
2019ECS Transactions1 citations Open access
Semantic Scholar
Stability of Group 4 and 5 Metal Oxide Cathode with Titanium Oxide Support for PEFCs
K. Ota, K. Matsuzawa, T. Nagai, A. Ishihara +1 more
20161 citations
Semantic Scholar
Oxide-Based Electrocatalysts toward Oxygen Reduction Reaction as Non Pt Cathodes for PEFC
Naoki Uehara, A. Ishihara, H. Imai, M. Matsumoto +6 more
20151 citations Open access
Semantic Scholar
Activity and Durability of ZrO 2 Covered MnO 2 for Oxygen Evolution Reaction in Acidic Medium
K. Matsuzawa, Yuma Kohara, Soma Hirayama, A. Ishihara
2026ECS Meeting Abstracts0 citations
Semantic Scholar

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