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久保田 圭
Address
305-0044 茨城県つくば市並木1-1 [アクセス]

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論文 TSV

2021
  1. Kei Kubota, Naoya Fujitani, Yusuke Yoda, Kazutoshi Kuroki, Yusuke Tokita, Shinichi Komaba. Impact of Mg and Ti doping in O3 type NaNi1/2Mn1/2O2 on reversibility and phase transition during electrochemical Na intercalation. Journal of Materials Chemistry A. (2021) 10.1039/d1ta01164b
  2. Amine Bouibes, Norio Takenaka, Kei Kubota, Shinichi Komaba, Masataka Nagaoka. Development of advanced electrolytes in Na-ion batteries: application of the Red Moon method for molecular structure design of the SEI layer. RSC Advances. 12 [2] (2021) 971-984 10.1039/d1ra07333h
  3. Kei Kubota, Masahiro Miyazaki, Eun Jeong Kim, Hiroaki Yoshida, Prabeer Barpanda, Shinichi Komaba. Structural change induced by electrochemical sodium extraction from layered O′3-NaMnO2. Journal of Materials Chemistry A. 9 [47] (2021) 26810-26819 10.1039/d1ta05390f
  4. Yong Youn, Bo Gao, Azusa Kamiyama, Kei Kubota, Shinichi Komaba, Yoshitaka Tateyama. Nanometer-size Na cluster formation in micropore of hard carbon as origin of higher-capacity Na-ion battery. npj Computational Materials. 7 [1] (2021) 10.1038/s41524-021-00515-7
  5. Petla Ramesh Kumar, Kei Kubota, Daisuke Igarashi, Shinichi Komaba. Enhanced Electrochemical Properties of KTiOPO4–rGO Negative Electrode for Sodium and Potassium Ion Batteries. The Journal of Physical Chemistry C. 125 [45] (2021) 24823-24830 10.1021/acs.jpcc.1c08339
  6. Mitsuharu Tabuchi, Mitsunori Kitta, Koji Yazawa, Kei Kubota. Facile Material Design Concept for Co-Free Lithium Excess Nickel-Manganese Oxide as High-Capacity Positive Electrode Material. Journal of The Electrochemical Society. 168 [11] (2021) 110525 10.1149/1945-7111/ac3526
  7. Chinnasamy Sengottaiyan, Kei Kubota, Shinichi Kumakura, Yang TaeHyeon, Tomooki Hosaka, Shinichi Komaba. La2Ni0.5Li0.5O4 Modified Single Polycrystalline Particles of NMC622 for Improved Capacity Retention in High-Voltage Lithium-Ion Batteries. Journal of The Electrochemical Society. 168 [11] (2021) 110505 10.1149/1945-7111/ac315e
  8. Tomooki Hosaka, Taiga Fukabori, Tatsuo Matsuyama, Ryoichi Tatara, Kei Kubota, Shinichi Komaba. 1,3,2-Dioxathiolane 2,2-Dioxide as an Electrolyte Additive for K-Metal Cells. ACS Energy Letters. 6 [10] (2021) 3643-3649 10.1021/acsenergylett.1c01238
  9. Mirai Ohara, A. Shahul Hameed, Kei Kubota, Akihiro Katogi, Kuniko Chihara, Tomooki Hosaka, Shinichi Komaba. A vanadium-based oxide-phosphate-pyrophosphate framework as a 4 V electrode material for K-ion batteries. Chemical Science. 12 [37] (2021) 12383-12390 10.1039/d1sc03725k
  10. Hiroo Onuma, Kei Kubota, Shotaro Muratsubaki, Wataru Ota, Maxim Shishkin, Hirofumi Sato, Koichi Yamashita, Satoshi Yasuno, Shinichi Komaba. Phase evolution of electrochemically potassium intercalated graphite. Journal of Materials Chemistry A. 9 [18] (2021) 11187-11200 10.1039/d0ta12607a
  11. Johannes Landesfeind, Tomooki Hosaka, Maximilian Graf, Kei Kubota, Shinichi Komaba, Hubert A. Gasteiger. Comparison of Ionic Transport Properties of Non-Aqueous Lithium and Sodium Hexafluorophosphate Electrolytes. Journal of The Electrochemical Society. 168 [4] (2021) 040538 10.1149/1945-7111/abf8d9
  12. A. Shahul Hameed, Mirai Ohara, Kei Kubota, Shinichi Komaba. A phosphite-based layered framework as a novel positive electrode material for Na-ion batteries. Journal of Materials Chemistry A. 9 [8] (2021) 5045-5052 10.1039/d0ta10517a
  13. Azusa Kamiyama, Kei Kubota, Daisuke Igarashi, Yong Youn, Yoshitaka Tateyama, Hideka Ando, Kazuma Gotoh, Shinichi Komaba. MgO‐Template Synthesis of Extremely High Capacity Hard Carbon for Na‐Ion Battery. Angewandte Chemie International Edition. 60 [10] (2021) 5114-5120 10.1002/anie.202013951
  14. Azusa Kamiyama, Kei Kubota, Daisuke Igarashi, Yong Youn, Yoshitaka Tateyama, Hideka Ando, Kazuma Gotoh, Shinichi Komaba. MgO‐Template Synthesis of Extremely High Capacity Hard Carbon for Na‐Ion Battery. Angewandte Chemie. 133 [10] (2021) 5174-5180 10.1002/ange.202013951
  15. Tomooki Hosaka, Taiga Fukabori, Haruka Kojima, Kei Kubota, Shinichi Komaba. Effect of Particle Size and Anion Vacancy on Electrochemical Potassium Ion Insertion into Potassium Manganese Hexacyanoferrates. ChemSusChem. 14 [4] (2021) 1166-1175 10.1002/cssc.202002628
2020
  1. Tomooki Hosaka, Tatsuo Matsuyama, Kei Kubota, Ryoichi Tatara, Shinichi Komaba. KFSA/glyme electrolytes for 4 V-class K-ion batteries. Journal of Materials Chemistry A. 8 [45] (2020) 23766-23771 10.1039/d0ta08851j
  2. Shinichi Komaba, Azusa Kamiyama, Kei Kubota, Naoya Fujitani. (Invited) Sodium Insertion Carbon Materials As “Beyond Li-GIC”. ECS Meeting Abstracts. MA2020-02 [3] (2020) 559-559 10.1149/ma2020-023559mtgabs
  3. Tomooki Hosaka, Taiga Fukabori, Kei Kubota, Haruka Kojima, Yuji Ito, Tsuyoshi Inose, Hirofumi Inoue, Masataka Takeuchi, Shinichi Komaba. Effect of Particle Size and Anion Vacancies on Electrochemical Performances of Potassium Manganese Hexacyanoferrate for Potassium-Ion Batteries. ECS Meeting Abstracts. MA2020-02 [2] (2020) 170-170 10.1149/ma2020-022170mtgabs
  4. Hiroo Onuma, Kei Kubota, Shotaro Muratsubaki, Tomooki Hosaka, Ryoichi Tatara, Takayuki Yamamoto, Kazuhiko Matsumoto, Toshiyuki Nohira, Rika Hagiwara, Hiroshi Oji, Satoshi Yasuno, Shinichi Komaba. Application of Ionic Liquid as K-Ion Electrolyte of Graphite//K2Mn[Fe(CN)6] Cell. ACS Energy Letters. 5 [9] (2020) 2849-2857 10.1021/acsenergylett.0c01393
  5. Hayata Isozumi, Kei Kubota, Ryoichi Tatara, Tatsuo Horiba, Kazuo Hida, Takashi Matsuyama, Satoshi Yasuno, Shinichi Komaba. Impact of Newly Developed Styrene–Butadiene–Rubber Binder on the Electrode Performance of High-Voltage LiNi0.5Mn1.5O4 Electrode. ACS Applied Energy Materials. 3 [8] (2020) 7978-7987 10.1021/acsaem.0c01334
  6. Tomooki Hosaka, Tatsuo Matsuyama, Kei Kubota, Satoshi Yasuno, Shinichi Komaba. Development of KPF6/KFSA Binary-Salt Solutions for Long-Life and High-Voltage K-Ion Batteries. ACS Applied Materials & Interfaces. 12 [31] (2020) 34873-34881 10.1021/acsami.0c08002
  7. Hayata Isozumi, Tatsuo Horiba, Kei Kubota, Kazuo Hida, Takashi Matsuyama, Satoshi Yasuno, Shinichi Komaba. Application of modified styrene-butadiene-rubber-based latex binder to high-voltage operating LiCoO2 composite electrodes for lithium-ion batteries. Journal of Power Sources. 468 (2020) 228332 10.1016/j.jpowsour.2020.228332
  8. Tomooki Hosaka, Kei Kubota, A. Shahul Hameed, Shinichi Komaba. Research Development on K-Ion Batteries. Chemical Reviews. 120 [14] (2020) 6358-6466 10.1021/acs.chemrev.9b00463
  9. Angelo Mullaliu, Kazutoshi Kuroki, Marlou Keller, Kei Kubota, Daniel Buchholz, Shinichi Komaba, Stefano Passerini. Structural Investigation of Quaternary Layered Oxides upon Na-Ion Deinsertion. Inorganic Chemistry. 59 [11] (2020) 7408-7414 10.1021/acs.inorgchem.9b03727
  10. Shinichi Komaba, Tomooki Hosaka, Kei Kubota, Shahul Hameed Abdulrahman. (Invited) Research Development on K-Ion Batteries. ECS Meeting Abstracts. MA2020-01 [1] (2020) 25-25 10.1149/ma2020-01125mtgabs
  11. Azusa Kamiyama, Kei Kubota, Takeshi Nakano, Shun Fujimura, Soshi Shiraishi, Hidehiko Tsukada, Shinichi Komaba. High-Capacity Hard Carbon Synthesized from Macroporous Phenolic Resin for Sodium-Ion and Potassium-Ion Battery. ACS Applied Energy Materials. 3 [1] (2020) 135-140 10.1021/acsaem.9b01972
2019
  1. Mika FUKUNISHI, Tatsuo HORIBA, Mouad DAHBI, Kei KUBOTA, Satoshi YASUNO, Shinichi KOMABA. Optimizing Micrometer-Sized Sn Powder Composite Electrodes for Sodium-Ion Batteries. Electrochemistry. 87 [1] (2019) 70-77 10.5796/electrochemistry.18-00069
  2. Abdulrahman Shahul Hameed, Akihiro Katogi, Kei Kubota, Shinichi Komaba. A Layered Inorganic–Organic Open Framework Material as a 4 V Positive Electrode with High‐Rate Performance for K‐Ion Batteries. Advanced Energy Materials. 9 [45] (2019) 1902528 10.1002/aenm.201902528
  3. Shoichi Hitomi, Kei Kubota, Tatsuo Horiba, Kazuo Hida, Takashi Matsuyama, Hiroshi Oji, Satoshi Yasuno, Shinichi Komaba. Application of Acrylic‐Rubber‐Based Latex Binder to High‐Voltage Spinel Electrodes of Lithium‐Ion Batteries. ChemElectroChem. 6 [19] (2019) 5070-5079 10.1002/celc.201901227
  4. Mustafa Goktas, Christoph Bolli, Johannes Buchheim, Erik J. Berg, Petr Novák, Francisco Bonilla, Teófilo Rojo, Shinichi Komaba, Kei Kubota, Philipp Adelhelm. Stable and Unstable Diglyme-Based Electrolytes for Batteries with Sodium or Graphite as Electrode. ACS Applied Materials & Interfaces. 11 [36] (2019) 32844-32855 10.1021/acsami.9b06760
  5. Shinichi Komaba, Tatsuo Horiba, Kei Kubota, Mika Fukunishi. (Invited) Functional Binders for Li-, Na-, and K-Ion Batteries. ECS Meeting Abstracts. MA2019-02 [5] (2019) 297-297 10.1149/ma2019-02/5/297
  6. Tomooki Hosaka, Shotaro Muratsubaki, Kei Kubota, Hiroo Onuma, Shinichi Komaba. Potassium Metal as Reliable Reference Electrodes of Nonaqueous Potassium Cells. The Journal of Physical Chemistry Letters. 10 [12] (2019) 3296-3300 10.1021/acs.jpclett.9b00711
  7. Tomooki Hosaka, Ayumi Noda, Kei Kubota, Yuki Matsuda, Kazuhiko Ida, Shigenobu Denzumi, Shinichi Komaba. 2 V-Class Aqueous Multi-Ion Batteries Realized By Superconcentrated Na/K Electrolytes. ECS Meeting Abstracts. MA2019-01 [2] (2019) 143-143 10.1149/ma2019-01/2/143
  8. Tomooki Hosaka, Tatsuo Matsuyama, Kei Kubota, Shinichi Komaba. KPF6-KFSA Binary Salt Electrolytes for 4 V-Class Potassium Batteries. ECS Meeting Abstracts. MA2019-01 [2] (2019) 235-235 10.1149/ma2019-01/2/235
  9. Shahul Hameed Abdulrahman, Akihiro Katogi, Kei Kubota, Shinichi Komaba. K2[(VO)2(HPO4)2(C2O4)] and K x VOPO4 as 4 V-Class Positive Electrode Materials for K-Ion Batteries. ECS Meeting Abstracts. MA2019-01 [2] (2019) 120-120 10.1149/ma2019-01/2/120
  10. Shinichi Komaba, Kei Kubota. (Invited) On the NaMeO2 (Me = 3d metal) for Na-Ion Batteries. ECS Meeting Abstracts. MA2019-01 [1] (2019) 15-15 10.1149/ma2019-01/1/15
  11. Ryohei Morita, Kazuma Gotoh, Kei Kubota, Shinichi Komaba, Kenjiro Hashi, Tadashi Shimizu, Hiroyuki Ishida. Correlation of carbonization condition with metallic property of sodium clusters formed in hard carbon studied using 23Na nuclear magnetic resonance. Carbon. 145 (2019) 712-715 10.1016/j.carbon.2019.01.080
  12. Tomooki Hosaka, Tomoaki Shimamura, Kei Kubota, Shinichi Komaba. Polyanionic Compounds for Potassium‐Ion Batteries. The Chemical Record. 19 [4] (2019) 735-745 10.1002/tcr.201800143
  13. Tomooki Hosaka, Tomoaki Shimamura, Kei Kubota, Shinichi Komaba. (Keynote) Polyanionic Compounds for K-Ion Batteries. ECS Meeting Abstracts. MA2019-03 [1] (2019) 66-66 10.1149/ma2019-03/1/66
  14. Ryohei Morita, Kazuma Gotoh, Mouad Dahbi, Kei Kubota, Shinichi Komaba, Kazuyasu Tokiwa, Saeid Arabnejad, Koichi Yamashita, Kenzo Deguchi, Shinobu Ohki, Tadashi Shimizu, Robert Laskowski, Hiroyuki Ishida. States of thermochemically or electrochemically synthesized NaxPy compounds analyzed by solid state 23Na and 31P nuclear magnetic resonance with theoretical calculation. Journal of Power Sources. 413 (2019) 418-424 10.1016/j.jpowsour.2018.12.070
  15. Norikazu Yoshinaga, Shinichi Kumakura, Kei Kubota, Tatsuo Horiba, Shinichi Komaba. Lithium Magnesium Tungstate Solid as an Additive into Li(Ni1/3Mn1/3Co1/3)O2 Electrodes for Li-Ion Batteries. Journal of The Electrochemical Society. 166 [3] (2019) A5430-A5436 10.1149/2.0581903jes
2018
  1. Hijiri Yamamoto, Shotaro Muratsubaki, Kei Kubota, Mika Fukunishi, Hiromu Watanabe, Jungmin Kim, Shinichi Komaba. Synthesizing higher-capacity hard-carbons from cellulose for Na- and K-ion batteries. Journal of Materials Chemistry A. 6 [35] (2018) 16844-16848 10.1039/c8ta05203d
  2. Tomooki Hosaka, Kei Kubota, Haruka Kojima, Shinichi Komaba. Highly concentrated electrolyte solutions for 4 V class potassium-ion batteries. Chemical Communications. 54 [60] (2018) 8387-8390 10.1039/c8cc04433c
  3. Amine Bouibes, Norio Takenaka, Takuya Fujie, Kei Kubota, Shinichi Komaba, Masataka Nagaoka. Concentration Effect of Fluoroethylene Carbonate on the Formation of Solid Electrolyte Interphase Layer in Sodium-Ion Batteries. ACS Applied Materials & Interfaces. 10 [34] (2018) 28525-28532 10.1021/acsami.8b07530
  4. Akihiro Katogi, Kei Kubota, Kuniko Chihara, Koji Miyamoto, Tatsuya Hasegawa, Shinichi Komaba. Synthesis and Electrochemical Performance of C-Base-Centered Lepidocrocite-like Titanates for Na-Ion Batteries. ACS Applied Energy Materials. 1 [8] (2018) 3630-3635 10.1021/acsaem.8b00345
  5. Kei Kubota, Shinichi Kumakura, Yusuke Yoda, Kazutoshi Kuroki, Shinichi Komaba. Electrochemistry and Solid‐State Chemistry of NaMeO 2 (Me = 3d Transition Metals). Advanced Energy Materials. 8 [17] (2018) 1703415 10.1002/aenm.201703415
  6. Yusuke Yoda, Kei Kubota, Hayata Isozumi, Tatsuo Horiba, Shinichi Komaba. Poly-γ-glutamate Binder To Enhance Electrode Performances of P2-Na2/3Ni1/3Mn2/3O2 for Na-Ion Batteries. ACS Applied Materials & Interfaces. 10 [13] (2018) 10986-10997 10.1021/acsami.8b01362
  7. Kei Kubota, Mouad Dahbi, Tomooki Hosaka, Shinichi Kumakura, Shinichi Komaba. Towards K-Ion and Na-Ion Batteries as “Beyond Li-Ion”. The Chemical Record. 18 [4] (2018) 459-479 10.1002/tcr.201700057
  8. Kakeru Yatabe, Tatsuo Horiba, Kei Kubota, Mika Fukunishi, Naoaki Yabuuchi, Hiroshi Oji, Jin-Yong Son, Yi-Tao Cui, Satoshi Yasuno, Shinichi Komaba. Effect of diphenylethane as an electrolyte additive to enhance high-temperature durability of LiCoO2/graphite cells. Electrochimica Acta. 270 (2018) 120-128 10.1016/j.electacta.2018.03.034
  9. Maxim Shishkin, Shinichi Kumakura, Syuhei Sato, Kei Kubota, Shinichi Komaba, Hirofumi Sato. Unraveling the Role of Doping in Selective Stabilization of NaMnO2 Polymorphs: Combined Theoretical and Experimental Study. Chemistry of Materials. 30 [4] (2018) 1257-1264 10.1021/acs.chemmater.7b04394
  10. Xiaofei Bie, Kei Kubota, Tomooki Hosaka, Kuniko Chihara, Shinichi Komaba. Synthesis and electrochemical properties of Na-rich Prussian blue analogues containing Mn, Fe, Co, and Fe for Na-ion batteries. Journal of Power Sources. 378 (2018) 322-330 10.1016/j.jpowsour.2017.12.052
2017
  1. Mouad Dahbi, Manami Kiso, Kei Kubota, Tatsuo Horiba, Tarik Chafik, Kazuo Hida, Takashi Matsuyama, Shinichi Komaba. Synthesis of hard carbon from argan shells for Na-ion batteries. Journal of Materials Chemistry A. 5 [20] (2017) 9917-9928 10.1039/c7ta01394a
  2. Xiaofei Bie, Kei Kubota, Tomooki Hosaka, Kuniko Chihara, Shinichi Komaba. A novel K-ion battery: hexacyanoferrate(ii)/graphite cell. Journal of Materials Chemistry A. 5 [9] (2017) 4325-4330 10.1039/c7ta00220c
  3. Kuniko Chihara, Akihiro Katogi, Kei Kubota, Shinichi Komaba. KVPO4F and KVOPO4toward 4 volt-class potassium-ion batteries. Chemical Communications. 53 [37] (2017) 5208-5211 10.1039/c6cc10280h
  4. Yuya Hironaka, Kei Kubota, Shinichi Komaba. P2- and P3-KxCoO2 as an electrochemical potassium intercalation host. Chemical Communications. 53 [26] (2017) 3693-3696 10.1039/c7cc00806f
  5. Shinichi Kumakura, Yoshiyuki Tahara, Syuhei Sato, Kei Kubota, Shinichi Komaba. P′2-Na2/3Mn0.9Me0.1O2 (Me = Mg, Ti, Co, Ni, Cu, and Zn): Correlation between Orthorhombic Distortion and Electrochemical Property. Chemistry of Materials. 29 [21] (2017) 8958-8962 10.1021/acs.chemmater.7b02772
  6. Kei Kubota, Yusuke Yoda, Shinichi Komaba. Origin of Enhanced Capacity Retention of P2-Type Na2/3Ni1/3-xMn2/3CuxO2for Na-Ion Batteries. Journal of The Electrochemical Society. 164 [12] (2017) A2368-A2373 10.1149/2.0311712jes
2016
  1. Shinichi Kumakura, Yotaro Shirao, Kei Kubota, Shinichi Komaba. Preparation and electrochemical properties of Li2MoO3/C composites for rechargeable Li-ion batteries. Physical Chemistry Chemical Physics. 18 [41] (2016) 28556-28563 10.1039/c6cp05162f
  2. Naoaki Yabuuchi, Issei Ikeuchi, Kei Kubota, Shinichi Komaba. Thermal Stability of NaxCrO2 for Rechargeable Sodium Batteries; Studies by High-Temperature Synchrotron X-ray Diffraction. ACS Applied Materials & Interfaces. 8 [47] (2016) 32292-32299 10.1021/acsami.6b09280
  3. Mouad Dahbi, Takeshi Nakano, Naoaki Yabuuchi, Shun Fujimura, Kuniko Chihara, Kei Kubota, Jin-Young Son, Yi-Tao Cui, Hiroshi Oji, Shinichi Komaba. Effect of Hexafluorophosphate and Fluoroethylene Carbonate on Electrochemical Performance and the Surface Layer of Hard Carbon for Sodium-Ion Batteries. ChemElectroChem. 3 [11] (2016) 1856-1867 10.1002/celc.201600365
  4. Shinichi Kumakura, Yoshiyuki Tahara, Kei Kubota, Kuniko Chihara, Shinichi Komaba. Sodium and Manganese Stoichiometry of P2-Type Na2/3 MnO2. Angewandte Chemie International Edition. 55 [41] (2016) 12760-12763 10.1002/anie.201606415
  5. Kei Kubota, Takuya Asari, Hiroaki Yoshida, Naoaki Yaabuuchi, Hiromasa Shiiba, Masanobu Nakayama, Shinichi Komaba. Understanding the Structural Evolution and Redox Mechanism of a NaFeO2-NaCoO2Solid Solution for Sodium-Ion Batteries. Advanced Functional Materials. 26 [33] (2016) 6047-6059 10.1002/adfm.201601292
  6. Ryohei Morita, Kazuma Gotoh, Mika Fukunishi, Kei Kubota, Shinichi Komaba, Naoto Nishimura, Takashi Yumura, Kenzo Deguchi, Shinobu Ohki, Tadashi Shimizu, Hiroyuki Ishida. Combination of solid state NMR and DFT calculation to elucidate the state of sodium in hard carbon electrodes. Journal of Materials Chemistry A. 4 [34] (2016) 13183-13193 10.1039/c6ta04273b
  7. Mitsuharu Tabuchi, Hiroyuki Kageyama, Kei Kubota, Hideka Shibuya, Kyosuke Doumae, Ryoji Kanno. Structural change during charge–discharge for iron substituted lithium manganese oxide. Journal of Power Sources. 318 (2016) 18-25 10.1016/j.jpowsour.2016.03.092
  8. Mouad Dahbi, Naoaki Yabuuchi, Mika Fukunishi, Kei Kubota, Kuniko Chihara, Kazuyasu Tokiwa, Xue-fang Yu, Hiroshi Ushiyama, Koichi Yamashita, Jin-Young Son, Yi-Tao Cui, Hiroshi Oji, Shinichi Komaba. Black Phosphorus as a High-Capacity, High-Capability Negative Electrode for Sodium-Ion Batteries: Investigation of the Electrode/Electrolyte Interface. Chemistry of Materials. 28 [6] (2016) 1625-1635 10.1021/acs.chemmater.5b03524
  9. Naoaki Yabuuchi, Kei Kubota, Yoshinori Aoki, Shinichi Komaba. Understanding Particle-Size-Dependent Electrochemical Properties of Li2MnO3-Based Positive Electrode Materials for Rechargeable Lithium Batteries. The Journal of Physical Chemistry C. 120 [2] (2016) 875-885 10.1021/acs.jpcc.5b10517
2015
  1. Yasuhiro Ogawa, Kei Kubota, Nobutaka Aoyama, Tomoaki Yamanishi, Shinji Kariya, Norihiko Hamada, Munenobu Nogami, Akihito Nishioka, Masahide Onogawa, Mitsuhiko Miyamura. Non-Surgical Breast-Conserving Treatment (KORTUC-BCT) Using a New Radiosensitization Method (KORTUC II) for Patients with Stage I or II Breast Cancer. Cancers. 7 [4] (2015) 2277-2289 10.3390/cancers7040891
  2. Shinichi Komaba, Tatsuya Hasegawa, Mouad Dahbi, Kei Kubota. Potassium intercalation into graphite to realize high-voltage/high-power potassium-ion batteries and potassium-ion capacitors. Electrochemistry Communications. 60 (2015) 172-175 10.1016/j.elecom.2015.09.002
  3. Kei Kubota, Shinichi Komaba. Review—Practical Issues and Future Perspective for Na-Ion Batteries. Journal of The Electrochemical Society. 162 [14] (2015) A2538-A2550 10.1149/2.0151514jes
  4. Kei Kubota, Issei Ikeuchi, Tetsuri Nakayama, Chikara Takei, Naoaki Yabuuchi, Hiromasa Shiiba, Masanobu Nakayama, Shinichi Komaba. New Insight into Structural Evolution in Layered NaCrO2 during Electrochemical Sodium Extraction. The Journal of Physical Chemistry C. 119 [1] (2015) 166-175 10.1021/jp5105888
2014
  1. Hiroaki Yoshida, Naoaki Yabuuchi, Kei Kubota, Issei Ikeuchi, Arnd Garsuch, Martin Schulz-Dobrick, Shinichi Komaba. P2-type Na2/3Ni1/3Mn2/3−xTixO2 as a new positive electrode for higher energy Na-ion batteries. Chem. Commun.. 50 [28] (2014) 3677-3680 10.1039/c3cc49856e
  2. Naoaki Yabuuchi, Ryo Hara, Kei Kubota, Jens Paulsen, Shinichi Kumakura, Shinichi Komaba. A new electrode material for rechargeable sodium batteries: P2-type Na2/3[Mg0.28Mn0.72]O2 with anomalously high reversible capacity. J. Mater. Chem. A. 2 [40] (2014) 16851-16855 10.1039/c4ta04351k
  3. Kei KUBOTA, Kazuki YOKOH, Naoaki YABUUCHI, Shinichi KOMABA. Na2CoPO4F as a High-voltage Electrode Material for Na-ion Batteries. Electrochemistry. 82 [10] (2014) 909-911 10.5796/electrochemistry.82.909
  4. Mouad Dahbi, Naoaki Yabuuchi, Kei Kubota, Kazuyasu Tokiwa, Shinichi Komaba. Negative electrodes for Na-ion batteries. Physical Chemistry Chemical Physics. 16 [29] (2014) 15007 10.1039/c4cp00826j
  5. Naoaki Yabuuchi, Kei Kubota, Mouad Dahbi, Shinichi Komaba. Research Development on Sodium-Ion Batteries. Chemical Reviews. 114 [23] (2014) 11636-11682 10.1021/cr500192f
  6. Naoaki Yabuuchi, Ryo Hara, Masataka Kajiyama, Kei Kubota, Toru Ishigaki, Akinori Hoshikawa, Shinichi Komaba. New O2/P2-type Li-Excess Layered Manganese Oxides as Promising Multi-Functional Electrode Materials for Rechargeable Li/Na Batteries. Advanced Energy Materials. 4 [13] (2014) 1301453 10.1002/aenm.201301453
  7. Mouad Dahbi, Takeshi Nakano, Naoaki Yabuuchi, Toru Ishikawa, Kei Kubota, Mika Fukunishi, Sota Shibahara, Jin-Young Son, Yi-Tao Cui, Hiroshi Oji, Shinichi Komaba. Sodium carboxymethyl cellulose as a potential binder for hard-carbon negative electrodes in sodium-ion batteries. Electrochemistry Communications. 44 (2014) 66-69 10.1016/j.elecom.2014.04.014
  8. Kei Kubota, Naoaki Yabuuchi, Hiroaki Yoshida, Mouad Dahbi, Shinichi Komaba. Layered oxides as positive electrode materials for Na-ion batteries. MRS Bulletin. 39 [5] (2014) 416-422 10.1557/mrs.2014.85
  9. Hansen Chang, Kei Kubota, Genki Kobayashi, Masaaki Hirayama, Ryoji Kanno. High-pressure synthesis and electrochemical properties of lithium transition metal oxides with layered rock-salt structure. Journal of Power Sources. 252 (2014) 1-7 10.1016/j.jpowsour.2013.11.050
2012
  1. Kei Kubota, Takayuki Kaneko, Masaaki Hirayama, Masao Yonemura, Yuichiro Imanari, Kenji Nakane, Ryoji Kanno. Direct synthesis of oxygen-deficient Li2MnO3−x for high capacity lithium battery electrodes. Journal of Power Sources. 216 (2012) 249-255 10.1016/j.jpowsour.2012.05.061
  2. Yang Yang, Masaaki Hirayama, Kei Kubota, Ryoji Kanno. Synthesis and electrode characteristics of solid solution LiMn1−xFexPO4(OH) (0≤x≤0.3) with tavorite structure for lithium batteries. Journal of Power Sources. 205 (2012) 394-401 10.1016/j.jpowsour.2011.12.041
  3. Masaaki Hirayama, Hiroki Tomita, Kei Kubota, Hidekazu Ido, Ryoji Kanno. Synthesis and electrochemical properties of nanosized LiFeO2 particles with a layered rocksalt structure for lithium batteries. Materials Research Bulletin. 47 [1] (2012) 79-84 10.1016/j.materresbull.2011.09.024
2011
  1. Masaaki Hirayama, Hiroki Tomita, Kei Kubota, Ryoji Kanno. Structure and electrode reactions of layered rocksalt LiFeO2 nanoparticles for lithium battery cathode. Journal of Power Sources. 196 [16] (2011) 6809-6814 10.1016/j.jpowsour.2010.10.009

書籍 TSV

会議録 TSV

2014
  1. Tatsuya Hasegawa, Mouad Dahbi, Kei Kubota, Koji Miyamoto, Takeshi Nakano, Kiyofumi Yamagiwa, Shinichi Komaba, Tarik Chafik. Study of electrochemical alkali insertion into carbonaceous materials. . 2014
  2. Shinichi Komaba, Kei Kubota, Mouad Dahbi, Kazuyasu Tokiwa. Rechargeable Na-ion batteries for large format applications. . 2014
  3. Kazuki Hashimoto, Kei Kubota, Issei Ikeuchi, Ismael Saadoune, Shinichi Komaba. P2-type Na<inf>x</inf>[Fe,Ni,Mn]O<inf>2</inf> for high capacity Na-ion batteries. . 2014

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