Characterization of nitrogen species incorporated into graphite using low energy nitrogen ion sputtering

Hisao Kiuchi, Takahiro Kondo, Masataka Sakurai, Donghui Guo, Junji Nakamura, Hideharu Niwa, Jun Miyawaki, Maki Kawai, Masaharu Oshima and Yoshihisa Harada

Phys. Chem. Chem. Phys., 2016, 18, 458
DOI: 10.1039/C5CP02305J

Fe-containing polyimide-based high-performance ORR catalysts in acidic medium: a kinetic approach to study the durability of catalysts

Azhagumuthu Muthukrishnan, Yuta Nabae, Teruaki Hayakawa, Takeyoshi Okajima and Takeo Ohsaka

Catal. Sci. Technol., 2015, 5, 475
DOI: 10.1039/C4CY01001A

Magnetic purification of non-precious metal fuel cell catalysts for obtaining atomically dispersed Fe centers

Yuta Nabae, Shinsuke Nagata, Keizo Kusaba, Tsutomu Aoki, Teruaki Hayakawa, Hajime Tanida, Hideto Imai, Katsuaki Hori, Yuta Yamamoto, Shigeo Arai and Junya Ohyama

Catal. Sci. Technol., 2020, 10, 493
DOI: 10.1039/C9CY02304F

Role of iron in the reduction of H2O2 intermediate during the oxygen reduction reaction on iron-containing polyimide-based electrocatalysts

Azhagumuthu Muthukrishnan, Yuta Nabae and Takeo Ohsaka

RSC Adv., 2016, 6, 3774
DOI: 10.1039/C5RA23162K

Planar polymer electrolyte membrane fuel cells: powering portable devices from hydrogen

Prabal Sapkota, Cyrille Boyer, Rukmi Dutta, Claudio Cazorla and Kondo-Francois Aguey-Zinsou

Sustainable Energy Fuels, 2020, 4, 439
DOI: 10.1039/C9SE00861F

Recent advances in non-precious metal electrocatalysts for oxygen reduction in acidic media and PEMFCs: an activity, stability and mechanism study

Jiayao Cui, Qingjun Chen, Xiaojin Li and Suojiang Zhang

Green Chem., 2021, 23, 6898
DOI: 10.1039/D1GC01040A

Hyperbranched aromatic poly(ether ketone) functionalized with TEMPO as a heterogeneous catalyst for aerobic oxidation of alcohols

Ying Shi, Yuta Nabae, Teruaki Hayakawa and Masa-aki Kakimoto

RSC Adv., 2015, 5, 1923
DOI: 10.1039/C4RA12126K

A high-performance Fe and nitrogen doped catalyst derived from diazoniapentaphene salt and phenolic resin mixture for oxygen reduction reaction

Azhagumuthu Muthukrishnan, Yuta Nabae, Cha Wen Chang, Takeyoshi Okajima and Takeo Ohsaka

Catal. Sci. Technol., 2015, 5, 1764
DOI: 10.1039/C4CY01429D

Novel cathode-supported hollow fibers for light weight micro-tubular solid oxide fuel cells with an active cathode functional layer

Xiuxia Meng, Naitao Yang, Xun Gong, Yimei Yin, Zi-Feng Ma, Xiaoyao Tan, Zongping Shao and Shaomin Liu

J. Mater. Chem. A, 2015, 3, 1017
DOI: 10.1039/C4TA04635H

Influence of iron precursor hydration state on performance of non-precious metal fuel cell catalysts

C. Janson, J. K. Dombrovskis and A. E. C. Palmqvist

J. Mater. Chem. A, 2018, 6, 3116
DOI: 10.1039/C7TA04134A

Tafel Slope Analysis from Inherent Rate Constants for Oxygen Reduction Reaction Over N-doped Carbon and Fe–N-doped Carbon Electrocatalysts

Yun Wu, Azhagumuthu Muthukrishnan, Shinsuke Nagata and Yuta Nabae

Catal Surv Asia, 2023, 27, 84
DOI: 10.1007/s10563-022-09381-9

Fabrication of Well-Ordered Mesoporous Polyimide Films by a Soft-Template Method

Takahiro Komamura, Kenta Okuhara, Shin Horiuchi, Yuta Nabae and Teruaki Hayakawa

ACS Appl. Polym. Mater., 2019, 1, 1209
DOI: 10.1021/acsapm.9b00211

Electrochemical deposition and dissolution of Fe species for N-doped carbon to understand the degradation mechanism of Pt-free oxygen reduction catalysts

Jiajia Wu, Yuta Nabae, Azhagumuthu Muthukrishnan and Takeo Ohsaka

Electrochimica Acta, 2016, 214, 307
DOI: 10.1016/j.electacta.2016.08.006

Structure–Property Relationship of Cryogel-Based Fe–N–C Catalysts for the Oxygen Reduction Reaction

Camille Roiron, Caroline Celle, Pierre-André Jacques, Marie Heitzmann and Jean-Pierre Simonato

Energy Fuels, 2021, 35, 16814
DOI: 10.1021/acs.energyfuels.1c02580

Recent Progress in Precious Metal‐Free Carbon‐Based Materials towards the Oxygen Reduction Reaction: Activity, Stability, and Anti‐Poisoning

Ling Zhang, Li Li, Hongmei Chen and Zidong Wei

Chemistry A European J, 2020, 26, 3973
DOI: 10.1002/chem.201904233

Tantalum oxide-based electrocatalysts made from oxy-tantalum phthalocyanines as non-platinum cathodes for polymer electrolyte fuel cells

N. Uehara, A. Ishihara, M. Matsumoto, H. Imai, Y. Kohno, K. Matsuzawa, S. Mitsushima and K. Ota

Electrochimica Acta, 2015, 179, 146
DOI: 10.1016/j.electacta.2015.03.125

Kinetic Approach to Investigate the Mechanistic Pathways of Oxygen Reduction Reaction on Fe-Containing N-Doped Carbon Catalysts

Azhagumuthu Muthukrishnan, Yuta Nabae, Takeyoshi Okajima and Takeo Ohsaka

ACS Catal., 2015, 5, 5194
DOI: 10.1021/acscatal.5b00397

Fabrication of Polyimide Nano-Particles by Precipitation Polymerization

Satoshi Kuretani, Yuta Nabae and Teruaki Hayakawa

J. Photopol. Sci. Technol., 2022, 35, 271
DOI: 10.2494/photopolymer.35.271

S/N Co-Doped Hollow Carbon Particles for Oxygen Reduction Electrocatalysts Prepared by Spontaneous Polymerization at Oil–Water Interfaces

Hiroya Abe, Kohei Nozaki, Shu Sokabe, Akichika Kumatani, Tomokazu Matsue and Hiroshi Yabu

ACS Omega, 2020, 5, 18391
DOI: 10.1021/acsomega.0c02182

Status and challenges for the application of platinum group metal-free catalysts in proton-exchange membrane fuel cells

Luigi Osmieri, Jaehyung Park, David A. Cullen, Piotr Zelenay, Deborah J. Myers and Kenneth C. Neyerlin

Current Opinion in Electrochemistry, 2021, 25, 100627
DOI: 10.1016/j.coelec.2020.08.009

Estimation of the Inherent Kinetic Parameters for Oxygen Reduction over a Pt-Free Cathode Catalyst by Resolving the Quasi-Four-Electron Reduction

Azhagumuthu Muthukrishnan and Yuta Nabae

J. Phys. Chem. C, 2016, 120, 22515
DOI: 10.1021/acs.jpcc.6b07905

Direct synthesis of Pt-free catalyst on gas diffusion layer of fuel cell and usage of high boiling point fuels for efficient utilization of waste heat

Ravi Nandan, Gopal Krishna Goswami and Karuna Kar Nanda

Applied Energy, 2017, 205, 1050
DOI: 10.1016/j.apenergy.2017.08.118

Semiautomated experiment with a robotic system and data generation by foundation models for synthesis of polyamic acid particles

Kan Hatakeyama-Sato, Hiroki Ishikawa, Shinya Takaishi, Yasuhiko Igarashi, Yuta Nabae and Teruaki Hayakawa

Polym J, 2024, 56, 977
DOI: 10.1038/s41428-024-00930-9

Design and Synthesis of Hyperbranched Aromatic Polymers for Catalysis

Yuta Nabae and Masa-aki Kakimoto

Polymers, 2018, 10, 1344
DOI: 10.3390/polym10121344

Heteroatom-Doped Graphitic Carbon Catalysts for Efficient Electrocatalysis of Oxygen Reduction Reaction

Jintao Zhang and Liming Dai

ACS Catal., 2015, 5, 7244
DOI: 10.1021/acscatal.5b01563

Morphology-Controlled Nitrogen-Containing Polymers as Synthetic Precursors for Electrochemical Oxygen Reduction Fe/N/C Cathode Catalysts

Yuta Nabae

Catalysts, 2018, 8, 324
DOI: 10.3390/catal8080324

Small-angle X-ray scattering analysis of poly(amic acid) dispersed in a liquid matrix to understand the size control of polyimide nanoparticles

Satoshi Kuretani, Kazushige Hori, Tomoyasu Hirai, Noboru Ohta, Kan Hatakeyama-Sato, Teruaki Hayakawa and Yuta Nabae

R. Soc. Open Sci., 2024, 11
DOI: 10.1098/rsos.231995

All-Perfluorosulfonated-Ionomer Composite Membranes Containing Blow-Spun Fibers: Effect of a Thin Fiber Framework on Proton Conductivity and Mechanical Properties

Shuta Onuki, Yoshiki Kawai, Hiroyasu Masunaga, Noboru Ohta, Ryohei Kikuchi, Minoru Ashizawa, Yuta Nabae and Hidetoshi Matsumoto

ACS Appl. Mater. Interfaces, 2024, 16, 10682
DOI: 10.1021/acsami.3c17643

Metalloporphyrins and related metallomacrocycles as electrocatalysts for use in polymer electrolyte fuel cells and water electrolyzers

Shin-ichi Yamazaki

Coordination Chemistry Reviews, 2018, 373, 148
DOI: 10.1016/j.ccr.2017.09.016

ZrO2 doped magnetic mesoporous polyimide for the efficient enrichment of phosphopeptides

Xi-Ming Wang, Zhi-Yong Guo, Yue Zhang, Ming-Li Chen and Jian-Hua Wang

Talanta, 2018, 188, 385
DOI: 10.1016/j.talanta.2018.05.069

Activity, Performance, and Durability for the Reduction of Oxygen in PEM Fuel Cells, of Fe/N/C Electrocatalysts Obtained from the Pyrolysis of Metal-Organic-Framework and Iron Porphyrin Precursors

Lijun Yang, Nicholas Larouche, Régis Chenitz, Gaixia Zhang, Michel Lefèvre and Jean-Pol Dodelet

Electrochimica Acta, 2015, 159, 184
DOI: 10.1016/j.electacta.2015.01.201

Recent Progress in Synthesis, Characterization and Evaluation of Non‐Precious Metal Catalysts for the Oxygen Reduction Reaction

J. K. Dombrovskis and A. E. C. Palmqvist

Fuel Cells, 2016, 16, 4
DOI: 10.1002/fuce.201500123

High performance iron-based oxygen reduction catalyst supported on sengon wood-derived reduced graphene oxide in acidic medium

W Sudarsono, W Y Wong, K S Loh, E H Majlan, N Syarif, K Y Kok, R M Yunus and K L Lim

IOP Conf. Ser.: Earth Environ. Sci., 2020, 463, 012060
DOI: 10.1088/1755-1315/463/1/012060

Enhancement in Kinetics of the Oxygen Reduction Reaction on a Nitrogen-Doped Carbon Catalyst by Introduction of Iron via Electrochemical Methods

Jiajia Wu, Da Zhang, Hideharu Niwa, Yoshihisa Harada, Masaharu Oshima, Hironori Ofuchi, Yuta Nabae, Takeyoshi Okajima and Takeo Ohsaka

Langmuir, 2015, 31, 5529
DOI: 10.1021/acs.langmuir.5b00310

Iron–Nitrogen‐Doped Vertically Aligned Carbon Nanotube Electrocatalyst for the Oxygen Reduction Reaction

Satoshi Yasuda, Atom Furuya, Yosuke Uchibori, Jeheon Kim and Kei Murakoshi

Adv Funct Materials, 2016, 26, 738
DOI: 10.1002/adfm.201503613

Materials Engineering toward Durable Electrocatalysts for Proton Exchange Membrane Fuel Cells

Lei Zhao, Jianbing Zhu, Yun Zheng, Meiling Xiao, Rui Gao, Zhen Zhang, Guobin Wen, Haozhen Dou, Ya‐Ping Deng, Aiping Yu, Zhenbo Wang and Zhongwei Chen

Advanced Energy Materials, 2022, 12
DOI: 10.1002/aenm.202102665

Self-Powered Bioelectrochemical Nutrient Recovery for Fertilizer Generation from Human Urine

Stefano Freguia, Maddalena Logrieco, Juliette Monetti, Pablo Ledezma, Bernardino Virdis and Seiya Tsujimura

Sustainability, 2019, 11, 5490
DOI: 10.3390/su11195490

Kinetic Study and Fuel Cell Testing for a Hybrid of Fourteen-Membered Macrocyclic Fe Complex and Fe/N/C Nano-Catalyst

Yuta Nabae, Yushan Tao, Shinsuke Nagata, Hideo Notsu, Mami Miyoshi, Kan Hatakeyama-Sato, Teruaki Hayakawa, Makoto Moriya, Zhiqing Feng and Junya Ohyama

ACS Appl. Nano Mater., 2025, 8, 8740
DOI: 10.1021/acsanm.5c00635

Hybrid of g-C3N4 Assisted Metal–Organic Frameworks and Their Derived High-Efficiency Oxygen Reduction Electrocatalyst in the Whole pH Range

Wenling Gu, Liuyong Hu, Jing Li and Erkang Wang

ACS Appl. Mater. Interfaces, 2016, 8, 35281
DOI: 10.1021/acsami.6b12031

Preparation of non-precious-metal cathode catalyst by multi-step pyrolysis of polymer precursors containing iron and nitrogen sources

Yuta Nabae

TANSO, 2014, 2014, 169
DOI: 10.7209/tanso.2014.169

Pt-free carbon-based fuel cell catalyst prepared from spherical polyimide for enhanced oxygen diffusion

Yuta Nabae, Shinsuke Nagata, Teruaki Hayakawa, Hideharu Niwa, Yoshihisa Harada, Masaharu Oshima, Ayano Isoda, Atsushi Matsunaga, Kazuhisa Tanaka and Tsutomu Aoki

Sci Rep, 2016, 6
DOI: 10.1038/srep23276

Ferric porphyrin–based polymers for electrochemical oxygen reduction

Subhabrata Banerjee and Yuta Nabae

Catalysis Today, 2019, 332, 109
DOI: 10.1016/j.cattod.2018.06.048

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, H. Imai, Y. Kohno, K. Matsuzawa, S. Mitsushima and K. Ota

J. Electrochem. Soc., 2015, 162, F959
DOI: 10.1149/2.0201509jes

Synthesis and Carbonization of Polyimide Nanoparticles Modified with Long Alkyl Chains Aspiring to Non-precious-metal Fuel Cell Catalysts

Kazushige Hori, Shinsuke Nagata, Yuta Nabae and Teruaki Hayakawa

J. Photopol. Sci. Technol., 2020, 33, 327
DOI: 10.2494/photopolymer.33.327

Block copolymer templated carbonization of nitrogen containing polymer to create fine and mesoporous carbon for oxygen reduction catalyst

Yuta Nabae, Shinsuke Nagata, Koshi Ohnishi, Yuanyuan Liu, Li Sheng, Xiaolin Wang and Teruaki Hayakawa

J. Polym. Sci. Part A: Polym. Chem., 2017, 55, 464
DOI: 10.1002/pola.28424

Si-doped carbon nanotubes as efficient metal-free electrocatalysts for O2 reduction in alkaline medium

Xin Fu, Quan-De Wang, Ziwu Liu and Feng Peng

Materials Letters, 2015, 158, 32
DOI: 10.1016/j.matlet.2015.05.141

Inexpensive Ipomoea aquatica Biomass-Modified Carbon Black as an Active Pt-Free Electrocatalyst for Oxygen Reduction Reaction in an Alkaline Medium

Yaqiong Zhang, Chaozhong Guo, Zili Ma, Huijuan Wu and Changguo Chen

Materials, 2015, 8, 6658
DOI: 10.3390/ma8105331

A catalyst layer optimisation approach using electrochemical impedance spectroscopy for PEM fuel cells operated with pyrolysed transition metal-N-C catalysts

Daniel Malko, Thiago Lopes, Edson A. Ticianelli and Anthony Kucernak

Journal of Power Sources, 2016, 323, 189
DOI: 10.1016/j.jpowsour.2016.05.035

Oxygen Reduction Catalytic Activity of Carbon-based Cathode Catalyst Prepared from Polyimide Nano-Particles Containing Fe-Phenanthroline Complex

Yuta Nabae and Shinsuke Nagata

J. Photopol. Sci. Technol., 2016, 29, 255
DOI: 10.2494/photopolymer.29.255

Emergence of Oxygen Reduction Activity in Zirconium Oxide-Based Compounds in Acidic Media: Creation of Active Sites for the Oxygen Reduction Reaction

Akimitsu Ishihara, Takaaki Nagai, Keisuke Ukita, Masazumi Arao, Masashi Matsumoto, Liwei Yu, Takahiro Nakamura, Oki Sekizawa, Yasumasa Takagi, Koichi Matsuzawa, Teko W. Napporn, Shigenori Mitsushima, Tomoya Uruga, Toshihiko Yokoyama, Yasuhiro Iwasawa, Hideto Imai and Ken-ichiro Ota

J. Phys. Chem. C, 2019, 123, 18150
DOI: 10.1021/acs.jpcc.9b02393

Recent Advances in Electrocatalysts for Oxygen Reduction Reaction

Minhua Shao, Qiaowan Chang, Jean-Pol Dodelet and Regis Chenitz

Chem. Rev., 2016, 116, 3594
DOI: 10.1021/acs.chemrev.5b00462

Highly Selective Two-Electron Oxygen Reduction Catalyzed by Mesoporous Nitrogen-Doped Carbon

Jisung Park, Yuta Nabae, Teruaki Hayakawa and Masa-aki Kakimoto

ACS Catal., 2014, 4, 3749
DOI: 10.1021/cs5008206

Transition Metal–Nitrogen–Carbon (M–N–C) Catalysts for Oxygen Reduction Reaction. Insights on Synthesis and Performance in Polymer Electrolyte Fuel Cells

Luigi Osmieri

ChemEngineering, 2019, 3, 16
DOI: 10.3390/chemengineering3010016