Naoki Hasegawa

Toyota Central Research and Development Laboratories (Japan) — Japan

Engineering · Physical Sciences

32h-index7.0kcitations100works2.12yr avg
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Research Topics

Fuel Cells and Related Materials(33), Polymer Nanocomposites and Properties(21), Electrocatalysts for Energy Conversion(16), Polymer crystallization and properties(11), Conducting polymers and applications(8)

Publications100 total

Structural Factors of Platinum-Supported Carbon Influencing Ionomer Adsorption in Fuel Cell Catalyst Inks
ACS Applied Materials & Interfaces·2026Open Access
( <i>Invited</i> ) Impact of Catalyst Ink Properties on Performance and Processability in Polymer Electrolyte Fuel Cells
ECS Meeting Abstracts·2025
Effect of Aggregate Size of Platinum-Supported Carbon on Colloidal Gel Formation in Catalyst Inks and Cell Performance in Polymer Electrolyte Fuel Cells
ECS Meeting Abstracts·2025
Impact of Platinum/Carbon Aggregate Size on Agglomerate Structure and Performance of Polymer Electrolyte Fuel Cells
Journal of The Electrochemical Society·2025
Water generation in the mesoporous catalyst layers of automotive fuel cells: insights from operando small-angle neutron scattering
Chemical Engineering Journal·2025
Water generation in the mesoporous catalyst layers of automotive fuel cells: insights from operando small-angle neutron scattering
SSRN Electronic Journal·2025Open Access
(Invited) Computational and Experimental Characterization of PEFC Electrode Structures
ECS Meeting Abstracts·2024
The Impact of Support Carbon Properties on Ionomer Adsorption on Pt/C in Polymer Electrolyte Fuel Cell Catalyst Ink
ECS Meeting Abstracts·2024· 1 cited
Effects of solvent composition on agglomerate structure in catalyst ink for polymer electrolyte fuel cells
Colloids and Surfaces A Physicochemical and Engineering Aspects·2024· 17 cited
Mechanism of Ionomer Film Formation via Solution Drying
ACS Macro Letters·2024· 3 cited
Design of Carbon Aggregation Structure in Polymer Electrolyte Fuel Cell Catalyst Ink by Solvent Hydrophilicity
ECS Meeting Abstracts·2023
Author Correction: The role of oxygen-permeable ionomer for polymer electrolyte fuel cells
Nature Communications·2023Open Access
Equation Elucidating the Catalyst-Layer Proton Conductivity in a Polymer Electrolyte Fuel Cell Based on the Ionomer Distribution Determined Using Small-Angle Neutron Scattering
ACS Applied Materials & Interfaces·2023· 12 cited
Investigation of gas transport resistance in fuel cell catalyst layers via hydrogen limiting current measurements of CO-covered catalyst surfaces
Journal of Power Sources·2023· 21 cited
Understanding the Origin of Gas Transport Resistance in Fuel Cell Catalyst Layers
ECS Meeting Abstracts·2022
(Invited) Identification of Rate Limiting Mass Transport Phenomena in Cathode Catalyst Layer of Pemfcs
ECS Meeting Abstracts·2022
The role of oxygen-permeable ionomer for polymer electrolyte fuel cells
Nature Communications·2021· 253 citedOpen Access
Analysis of crack formation during fuel cell catalyst ink drying process. Reduction of catalyst layer cracking by addition of high boiling point solvent
Colloids and Surfaces A Physicochemical and Engineering Aspects·2021· 51 cited
Towards Systematic Understandings and Designs of Electrolyte/Electrode Interfaces By Computational Physics Approaches
ECS Meeting Abstracts·2020
Synthesis and Properties of Fluorocarbon–Hydrocarbon Hybrid Block Copolymers with Perfluorosulfonimide Acid
ACS Omega·2020Open Access
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Frequent Co-authors

Arimitsu Usuki(19), Masaya Kawasumi(12), Makoto P. Kato(9), Hirotaka Okamoto(8), Pham Hoai Nam(6), Pralay Maiti(6), Masami Okamoto(6), Akane Okada(5), Tadao Kotaka(5), Ryosuke Jinnouchi(5), Yu Morimoto(5), Arimistu Usuki(4), Takahisa Suzuki(4), Akihiro Shinohara(4), Tatsuya Hatanaka(4), Hiroaki Shimomoto(4), Tomomichi Itoh(4), Eiji Ihara(4), Naohiro Hoshikawa(4), Kensaku Kodama(3)