Presentations -

Performance evaluation of Mo-doped PtCo/C nanowire catalysts in polymer electrolyte fuel cells

Poster (General)  Shuto Hara, Md. Mijanur Rahman, Hidenobu Wakita, Koichi Ui, and Tatsuya Takeguchi

2022.09

　

　

Effect of calcination time on electrochemical properties of perovskite oxide catalysts

Poster (General)  Ryusei Tate, Md. Mijanur Rahman, Hidenobu Wakita, Koichi Ui, and Tatsuya Takeguchi

2022.09

　

　

Effects of base PtCo/Self-Standing KetjenBlack sheet Catalysts on electrochemical Properties of Lithium-Air Secondary Batteries

Poster (General)  Rina Awata, Maita Yoshino, Hidenobu Wakita, Mijanur Md. Rahman, Koichi Ui, and Tatsuya Takeguchi

2022.09

　

　

Effects of Annealing temperature on ORR activity of PtNi nanowire cathode catalysts for PEFC

Poster (General)  Takumi Yoshida, Hidenobu Wakita, Mijanur Md. Rahman, Koichi Ui, and Tatsuya Takeguchi

2022.09

　

　

Discharge-Charge Characteristics of Lithium-Air Secondary Batteries using Ionic Liquid Electrolytes with Different Cationic Species

Poster (General)  Koichi Ui, Kentaro Sisido, Toshinari Kamimura, and Tatsuya Takeguchi

2022.09

　

　

Raman spectroscopy of multi-walled carbon nanotubes coexisting with H₂ under high pressure

Poster (General)  Soru Asukagawa, Atsuko Nakayama, Koichi Ui, Kenji Watanabe, Satoshi Nakano, and Chia-Liang Sun

2023.03

　

　

The Fullerenes, Nanotubes and Graphene Research Society)

Durability and performance of Pt-M Nanowires as Cathode Catalysts under PEFC Operating Condition

Oral Presentation(General) 

2023.03

　

　

Analysis of Electrochemical Behavior at Interface of Room-temperature Ionic Liquids / Air Electrodes in Lithium-Air Secondary Batteries

Poster (General)  Koichi Ui, Yushi SATO, Toshihiko Mandai and Tatsuya Takeguchi

2017.12

　

　

Analysis of Interface Behavior of Room-temperature Ionic Liquids / Air Electrodes in Lithium-Air Secondary Batteries

Poster (General)  Koichi Ui, Yushi SATO, Toshihiko Mandai and Tatsuya Takeguchi

2018.04

　

　

Influence of Cationic Species of TFSA-based on Ionic Liquids on Charge-Discharge Characteristics of Graphite Negative Electrode

Poster (General)  K. Ui, Y. Sato, S. J. Moon, T. Mandai, and T. Takeguchi

2018.06

　

　

Design and In-Situ Analysis of TiO₂-modified Pt-Ru Catalyst Tolerant toward CO and NH₃ for PEFC

Poster (General)  Tatsuya Takeguchi, Toshihiko Mandai, Kenta Inaba, Koichi Ui

2018.09

　

　

Electrochemical Properties of Lithium-Air Secondary Batteries with Catalyst-Modified Carbon Electrodes

Oral Presentation(General)  Ryoko Shuhama 1, 2, Ryosuke Bannai 1, 2, Toshihiko Mandai 1, 2, Miyuki Kojima 1, 2, Koichi Ui 1, and Tatsuya Takegushi 1, 2 (Iwate Univ. 1, ALCA-SPRING 2)

2018.10

　

　

Effects of Co-Substitution of Layered Perovskite Lsfo on Oer Activity in Alkaline Media

Oral Presentation(General)  Hiroka Suetsugu, Toshihiko Mandai, Koichi Ui, and Tatsuya Takegushi

2018.10

　

　

Ionic Liquid Based Electrolytes for High Voltage Magnesium Rechargeable Batteries

Oral Presentation(General)  Toshihiko Mandai 1, Koichi Ui 1, Tatsuya Takeguchi 1, and Kiyoshi Kanamura 2 (Iwate Univ. 1, Tokyo Metropolitan Univ. 2)

2018.10

　

　

Effect of Addition of 1,10-phenanthroline to AlCl₃-EMIC Melt on Surface Smoothness of Electrolytic Aluminum Foil

Oral Presentation(General)  Koichi Ui, Satoshi Kobayashi, Toshihiko Mandai, Tatsuya Takeguchi, Tetsuya Tsuda*, Jyunji Nunomura**, Yukio Honkawa**, and Yoichi Kojima** (Osaka Univ. *, UACJ Corp. Ltd. **)

2019.05

　

　

Preparation of uniform and fine Pt particle catalyst supported on high-surface-area carbon for polymer electrolyte fuel cell

Poster (General)  Kenta Inaba, Yuta Kato, Toshihiko Mandai, Koichi Ui, and Tatsuya Takeguchi

2019.05

　

　

Active site of Co-substituted LaSr₃Fe₃O₁₀ layered-perovskite metal oxide catalyst for positive electrode of Zn-air battery

Oral Presentation(General)  Suetsugu, Toshihiko Mandai, Koichi Ui, and Tatsuya Takeguchi

2019.05

　

　

Electrochemical Properties of Lithium-Air Secondary Batteries with Catalyst-Modified Carbon Electrodes

Oral Presentation(General)  Koichi Ui1, Satoshi Kobayashi1, Tatsuya Takeguchi1, Tetsuya Tsuda2, Mikito Ueda3, Jyunji Nunomura4, Yukio Honkawa4, and Yoichi Kojima4 (Iwate Univ.1, Osaka Univ.2, Hokkaido Univ. 3, UACJ Corp. Ltd.4)

2020.10

　

　

Synthesis and characterization of low platinum-cobalt alloy cathode catalysts by rapid annealing and quenching method for fuel cell applications

Oral Presentation(General)  Ryo Furukawa, Md Mijanur Rahman, Yasuo Kaneta, Byambasuren Delgertsetseg, Koichi Ui, and Tatsuya Takeguchi

2020.10

　

　

Synthesis and electrochemical studies of ionic liquid electrolytes for lithium-air batteries

Oral Presentation(General)  Yuji Ono 1,2, Md. Mijanur Rahman 1,2, Byambasuren Delgertsetseg 1,2, Koichi Ui 1, and Tatsuya Takeguchi 1,2 (1Graduate School of arts and Sciences Iwate University, 2ALCA-SPRING)

2020.10