発表論文

2019

1. "Effect of Li3BO3 addition to NASICON-type single-phase all-solid-state lithium battery based on Li1.5Cr0.5Ti1.5(PO4)3", Akira Nishio, Atsushi Inoishi, Ayuko Kitajou, Shigeto Okada, J. Ceram. Soc. Japan, 127 (1), pp. 18-21.

2. "Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries", Lalit Sharma, Kosuke Nakamoto, Ryo Sakamoto, Shigeto Okada, Prabeer Barpanda, ChemElectroChem, 6 (2), pp. 444-449.

3. "Sodium ion conducting gel polymer electrolyte using poly(vinylidene fluoride hexafluoropropylene)", Duy Thanh Vo, Hoang Nguyen Do, Thien Trung Nguyen, Thi Tuyet Hanh Nguyen, Van Man Tran, Shigeto Okada, My Loan Phung Le,Mater. Sci. Eng. B Solid State Mater. Adv. Technol., 241, pp. 27-35.

4. "Electrochemical properties of titanium fluoride with high rate capability for lithium-ion batteries", Ayuko Kitajou, Katsuya Eguchi, Yuji Ishado, Hiroyuki Setoyama, Toshihiro Okajima, Shigeto Okada, J. Power Sources, 419, pp. 1-5.


2018

1. "A single-phase all-solid-state lithium battery based on Li1.5Cr0.5Ti1.5(PO4)3 for high rate capability and low temperature operation", Atsushi Inoishi, Akira Nishio, Yuto Yoshioka, Ayuko Kitajou, Shigeto Okada, Chem. Commun., 54 (25), pp. 3178-3181.

2. "SnSb alloy blended with hard carbon as anode for na-ion batteries", Ying Ching Lu, Nikolay Dimov, Shigeto Okada, Thi Hang Bui, Energies, 11 (6), art. no. en11061614.

3. "High performance electrolyte using mixtures of ionic liquid-solvent for sodium-ion batteries", Linh Thi My Le, Thanh Duy Vo, Quan D. Nguyen, Shigeto Okada, Fannie Alloin, Phung My Loan Le, ECS Trans., 85 (13), pp. 215-226.

4. "Single-phase All-solid-state Silver Battery using Ag1.5Cr0.5Ti1.5(PO4)3 as Anode, Cathode, and Electrolyte", Atsushi Inoishi, Akira Nishio, Ayuko Kitajou, Shigeto Okada, ChemistrySelect, 3 (34), pp. 9965-9968.

5. "Amorphous xLiF-FeSO4 (1 ≤ x ≤ 2) composites as a cathode material for lithium ion batteries", Ayuko Kitajou, Yuji Ishado, Atsushi Inoishi, Shigeto Okada, Solid State ion., 326, pp. 48-51.

6. "Nanotube-structured Na2V3O7 as a Cathode Material for Sodium-Ion Batteries with High-rate and Stable Cycle Performances", Naoto Tanibata, Yuki Kondo, Shohei Yamada, Masaki Maeda, Hayami Takeda, Masanobu Nakayama, Toru Asaka, Ayuko Kitajou, Shigeto Okada, Sci. Rep., 8 (1), 17199.

2017

1. "Discharge and charge reaction of perovskite-type MF3 (M = Fe and Ti) cathodes for lithium-ion batteries", Ayuko Kitajou, Ichiro Tanaka, Yo Tanaka, Eiji Kobayashi, Hiroyuki Setoyama, Toshihiro Okajima, Shigeto Okada, Electrochemistry, 85 (8), pp. 472-477.

2. "Single-Phase All-Solid-State Lithium-Ion Battery Using Li3V2(PO4)3 as the Cathode, Anode, and Electrolyte", Atsushi Inoishi, Takuya Omuta, Yuto Yoshioka, Eiji Kobayashi, Ayuko Kitajou, Shigeto Okada, ChemistrySelect, 2 (26), pp. 7925-7929.

3. "Effect of concentrated electrolyte on aqueous sodium-ion battery with sodium manganese hexacyanoferrate cathode", Kosuke Nakamoto, Ryo Sakamoto, Masato Ito, Ayuko Kitajou, Shigeto Okada, Electrochemistry, 85 (4), pp. 179-185.

4. "Cathode property of Na2CxOx [x = 4, 5, and 6] and K2C6O6 for sodium-ion batteries", Kuniko Chihara, Masato Ito, Ayuko Kitajou, Shigeto Okada, Evergreen, 4 (1), pp. 1-5.

5. "Cathode properties of sodium manganese hexacyanoferrate in aqueous electrolyte", Kosuke Nakamoto, Ryo Sakamoto, Masato Ito, Ayuko Kitajou, Shigeto Okada, Evergreen, 4 (1), pp. 6-9.

6. "Synthesis and electrochemical properties of Fe3C-carbon composite as an anode material for lithium-ion batteries", Ayuko Kitajou, Shinji Kudo, Jun-ichiro Hayashi, Shigeto Okada, Electrochemistry, 85 (10), pp. 630-633.

7. "A Single-Phase, All-Solid-State Sodium Battery Using Na3−xV2−xZrx(PO4)3 as the Cathode, Anode, and Electrolyte", Atsushi Inoishi, Takuya Omuta, Eiji Kobayashi, Ayuko Kitajou, Shigeto Okada, Adv. Mater. Interfaces, 4 (5), art. no. 1600942.

8. "Enabling the Electrochemical Activity in Sodium Iron Metaphosphate [NaFe(PO3)3] Sodium Battery Insertion Material: Structural and Electrochemical Insights", Ritambhara Gond, Sher Singh Meena, S. M. Yusuf, Vivekanand Shukla, Naresh K. Jena, Rajeev Ahuja, Shigeto Okada, Prabeer Barpanda, Inorg. Chem., 56 (10), pp. 5918-5929.

9. "Cathode Properties of Perovskite-type NaMF3 (M = Fe, Mn, and Co) Prepared by Mechanical Ball Milling for Sodium-ion Battery", Ayuko Kitajou, Yuji Ishado, Tomoki Yamashita, Hiroyoshi Momida, Tamio Oguchi, Shigeto Okada, Electrochim. Acta, 245, pp. 424-429.

10. "Improvement in the Energy Density of Na3V2(PO4)3 by Mg Substitution", Atsushi Inoishi, Yuto Yoshioka, Liwei Zhao, Ayuko Kitajou, Shigeto Okada, ChemElectroChem, 4 (11), pp. 2755-2759.

11. "Proton-Driven Intercalation and Ion Substitution Utilizing Solid-State Electrochemical Reaction", Masaya Fujioka, Chuanbao Wu, Naoki Kubo, Gaoyang Zhao, Atsushi Inoishi, Shigeto Okada, Satoshi Demura, Hideaki Sakata, Manabu Ishimaru, Hideo Kaiju, Junji Nishii, J. Am. Chem. Soc., 139 (49), pp. 17987-17993.

2016

1. "In situ crosslinked PVA-PEI polymer binder for long-cycle silicon anodes in Li-ion batteries", Zhen Liu, Shaojie Han, Chong Xu, Yuwen Luo, Na Peng, Chenyang Qin, Mingjiong Zhou, Wenqin Wang, Liwei Chenb, Shigeto Okada, RSC Adv., 6 (72), pp. 68371-68378.

2. "Capacity improvement by deficit of transition metals in inverse spinel LiNi1/3Co1/3Mn1/3VO4 cathodes", Ayuko Kitajou, Jun Yoshida, Shinji Nakanishi, Yasuaki Matsuda, Ryoji Kanno, Toshihiro Okajima, Shigeto Okada, J. Power Sources, 302, pp. 240-246.

3. "Synthesis of sub-10 nm copper sulphide rods as high-performance anode for long-cycle life Li-ion batteries", Mingjiong Zhou, Na Peng, Zhen Liu, Yun Xi, Huiqiu He, Yonggao Xia, Zhaoping Liu, Shigeto Okada, J. Power Sources, 306, pp. 408-412.

4. "Investigation of metastable Na2FeSiO4 as a cathode material for Na-ion secondary battery", Yongho Kee, Nikolay Dimov, Aleksandar Staykov, Shigeto Okada, Mater. Chem. Phys., 171, pp. 45-49.

5. "Electrochemical properties and thermal stability of silicon monoxide anode for rechargeable lithium-ion batteries", Hongyu Fan, Xiaoqing Li, Huiqiu He, Na Peng, Ying Han, Zhen Liu, Mingjiong Zhou, Liwei Zhao, Shigeto Okada, Electrochemistry, 84 (8), pp. 574-577.

6. "Improvement of cathode properties by lithium excess in disordered rocksalt Li2+2xMn1-xTi1-xO4", Ayuko Kitajou, Kosuke Tanaka, Hidenori Miki, Hideyuki Koga, Toshihiro Okajima, Shigeto Okada, Electrochemistry, 84 (8), pp. 597-600.

7. "Electrolyte dependence of the performance of a Na2FeP2O7//NaTi2(PO4)3 rechargeable aqueous sodium-ion battery", Kosuke Nakamoto, Yusuke Kano, Ayuko Kitajou, Shigeto Okada, J. Power Sources, 327, pp. 327-332.

8. "Investigation of Al-doping effects on the NaFe0.5Mn0.5O2 cathode for Na-ion batteries", Yongho Kee, Nikolay Dimov, Simon Champet, Duncan H. Gregory, Shigeto Okada, Ionics, 22 (11), pp. 2245-2248.

9. "Insight into Mg-doping effects on Na3Ni2SbO6 cathode host for Na-ion batteries", Yongho Kee, Nikolay Dimov, Aleksandar Staykov, Shigeto Okada, Mater. Lett., 183, pp. 187-190.

2015