Masashi Okubo

2013

Temperature dependent local structure of LiCoO₂ nanoparticles determined by Co K-edge X-ray absorption fine structure

Maugeri, L., Simonelli, L., Iadecola, A., Joseph, B., Okubo, M., Honma, I., Wadati, H., Mizokawa, T. & Saini, N. L., 2013, In: Journal of Power Sources. 229, p. 272-276 5 p.

研究成果: Article › 査読

24 被引用数 (Scopus)

Ternary metal Prussian blue analogue nanoparticles as cathode materials for Li-ion batteries

Okubo, M. & Honma, I., 2013 12月 7, In: Dalton Transactions. 42, 45, p. 15881-15884 4 p.

研究成果: Article › 査読

49 被引用数 (Scopus)

VGCF-core@LiMn_0.4Fe_0.6PO₄-sheath heterostructure nanowire for high rate Li-ion batteries

Kagesawa, K., Hosono, E., Okubo, M., Kikkawa, J., Nishio-Hamane, D., Kudo, T. & Zhou, H., 2013 9月 14, In: CrystEngComm. 15, 34, p. 6638-6640 3 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

2014

Anisotropic charge-transfer effects in the asymmetric Fe(CN)₅NO octahedron of sodium nitroprusside: A soft X-ray absorption spectroscopy study

Nanba, Y. A. L., Asakura, D., Okubo, M., Zhou, H., Amemiya, K., Okada, K., Glans, P. A., Jenkins, C. A., Arenholz, E. & Guo, J., 2014 4月 21, In: Physical Chemistry Chemical Physics. 16, 15, p. 7031-7036 6 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Assembly of Na₃V₂(PO₄)₃Nanoparticles Confined in a One-Dimensional Carbon Sheath for Enhanced Sodium-Ion Cathode Properties

Kajiyama, S., Kikkawa, J., Hoshino, J., Okubo, M. & Hosono, E., 2014 9月 22, In: Chemistry - A European Journal. 20, 39, p. 12636-12640 5 p.

研究成果: Article › 査読

66 被引用数 (Scopus)

A tricky water molecule coordinated to a verdazyl radical-iron(ii) complex: A multitechnique approach

Kamebuchi, H., Okubo, M., Okazawa, A., Enomoto, M., Harada, J., Ogawa, K., Maruta, G., Takeda, S., Kojima, N., Train, C. & Verdaguer, M., 2014 5月 21, In: Physical Chemistry Chemical Physics. 16, 19, p. 9086-9095 10 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

Distinguishing between high- and low-spin states for divalent Mn in Mn-based Prussian blue analogue by high-resolution soft X-ray emission spectroscopy

Asakura, D., Nanba, Y., Okubo, M., Mizuno, Y., Niwa, H., Oshima, M., Zhou, H., Okada, K. & Harada, Y., 2014 11月 20, In: Journal of Physical Chemistry Letters. 5, 22, p. 4008-4013 6 p.

研究成果: Article › 査読

19 被引用数 (Scopus)

Electrochemical properties of heterosite FePO₄ in Aqueous Mg²⁺ electrolytes

Oyama, G., Nishimura, S. I., Chung, S. C., Okubo, M. & Yamada, A., 2014, In: Electrochemistry. 82, 10, p. 855-858 4 p.

研究成果: Article › 査読

Open Access

9 被引用数 (Scopus)

Electrochemical properties of LiMn_xFe_1-xPO ₄ (x = 0, 0.2, 0.4, 0.6, 0.8 and 1.0)/vapor grown carbon fiber core-sheath composite nanowire synthesized by electrospinning method

Kagesawa, K., Hosono, E., Okubo, M., Nishio-Hamane, D., Kudo, T. & Zhou, H., 2014, In: Journal of Power Sources. 248, p. 615-620 6 p.

研究成果: Article › 査読

27 被引用数 (Scopus)

High rate sodium ion insertion into core–shell nanoparticles of Prussian blue analogues

Okubo, M., Li, C. H. & Talham, D. R., 2014 1月 9, In: Chemical Communications. 50, 11, p. 1353-1355 3 p.

研究成果: Article › 査読

87 被引用数 (Scopus)

Li-ion and Na-ion insertion into size-controlled nickel hexacyanoferrate nanoparticles

Li, C. H., Nanba, Y., Asakura, D., Okubo, M. & Talham, D. R., 2014, In: RSC Advances. 4, 48, p. 24955-24961 7 p.

研究成果: Article › 査読

33 被引用数 (Scopus)

Particle-size effects on the entropy behavior of a Li_xFePO ₄ electrode

Kai, K., Kobayashi, Y., Miyashiro, H., Oyama, G., Nishimura, S. I., Okubo, M. & Yamada, A., 2014 7月 21, In: ChemPhysChem. 15, 10, p. 2156-2161 6 p.

研究成果: Article › 査読

23 被引用数 (Scopus)

Phase separation of a hexacyanoferrate-bridged coordination framework under electrochemical Na-ion insertion

Kajiyama, S., Mizuno, Y., Okubo, M., Kurono, R., Nishimura, S. I. & Yamada, A., 2014 3月 17, In: Inorganic Chemistry. 53, 6, p. 3141-3147 7 p.

研究成果: Article › 査読

20 被引用数 (Scopus)

Role of ligand-to-metal charge transfer in O3-type NaFeO ₂-NaNiO₂ solid solution for enhanced electrochemical properties

Wang, X., Liu, G., Iwao, T., Okubo, M. & Yamada, A., 2014 2月 13, In: Journal of Physical Chemistry C. 118, 6, p. 2970-2976 7 p.

研究成果: Article › 査読

115 被引用数 (Scopus)

Single crystallization of olivine lithium phosphate nanowires using oriented attachments

Kikkawa, J., Hosono, E., Okubo, M., Kagesawa, K., Zhou, H., Nagai, T. & Kimoto, K., 2014 4月 10, In: Journal of Physical Chemistry C. 118, 14, p. 7678-7682 5 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

2015

An alluaudite Na_{2 + 2x}Fe_{2 - X}(SO₄)₃(x = 0.2) derivative phase as insertion host for lithium battery

Ming, J., Barpanda, P., Nishimura, S. I., Okubo, M. & Yamada, A., 2015 2月, In: Electrochemistry Communications. 51, p. 19-22 4 p.

研究成果: Article › 査読

50 被引用数 (Scopus)

Iron-oxalato framework with one-dimensional open channels for electrochemical sodium-ion intercalation

Wang, X., Kurono, R., Nishimura, S. I., Okubo, M. & Yamada, A., 2015 1月 12, In: Chemistry - A European Journal. 21, 3, p. 1096-1101 6 p.

研究成果: Article › 査読

21 被引用数 (Scopus)

Off-Stoichiometry in Alluaudite-Type Sodium Iron Sulfate Na_2+2xFe_2-x(SO₄)₃ as an Advanced Sodium Battery Cathode Material

Oyama, G., Nishimura, S. I., Suzuki, Y., Okubo, M. & Yamada, A., 2015 7月 15, In: ChemElectroChem. 2, 7, p. 1019-1023 5 p.

研究成果: Article › 査読

97 被引用数 (Scopus)

Operando soft x-ray emission spectroscopy of LiMn₂O₄ thin film involving Li-ion extraction/insertion reaction

Asakura, D., Hosono, E., Niwa, H., Kiuchi, H., Miyawaki, J., Nanba, Y., Okubo, M., Matsuda, H., Zhou, H., Oshima, M. & Harada, Y., 2015 1月, In: Electrochemistry Communications. 50, p. 93-96 4 p.

研究成果: Article › 査読

Open Access

25 被引用数 (Scopus)

Pseudocapacitance of MXene nanosheets for high-power sodium-ion hybrid capacitors

Wang, X., Kajiyama, S., Iinuma, H., Hosono, E., Oro, S., Moriguchi, I., Okubo, M. & Yamada, A., 2015 4月 2, In: Nature communications. 6, 6544.

研究成果: Article › 査読

Open Access

819 被引用数 (Scopus)

Stepwise reduction of electrochemically lithiated core-shell heterostructures based on the Prussian blue analogue coordination polymers K_0.1Cu[Fe(CN)₆]_0.7·3.5H₂O and K_0.1Ni[Fe(CN)₆]_0.7·4.4H₂O

Li, C. H., Peprah, M. K., Asakura, D., Meisel, M. W., Okubo, M. & Talham, D. R., 2015 3月 10, In: Chemistry of Materials. 27, 5, p. 1524-1530 7 p.

研究成果: Article › 査読

26 被引用数 (Scopus)

2016

Correlation between the O 2p Orbital and Redox Reaction in LiMn_0.6Fe_0.4PO₄ Nanowires Studied by Soft X-ray Absorption

Asakura, D., Hosono, E., Okubo, M., Nanba, Y., Zhou, H., Glans, P. A. & Guo, J., 2016 12月 15, In: ChemPhysChem. 17, 24, p. 4110-4115 6 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Electrochemical Li-ion intercalation in octacyanotungstate-bridged coordination polymer with evidence of three magnetic regimes

Long, J., Asakura, D., Okubo, M., Yamada, A., Guari, Y. & Larionova, J., 2016 8月 1, In: Inorganic Chemistry. 55, 15, p. 7637-7646 10 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Intermediate honeycomb ordering to trigger oxygen redox chemistry in layered battery electrode

Mortemard De Boisse, B., Liu, G., Ma, J., Nishimura, S. I., Chung, S. C., Kiuchi, H., Harada, Y., Kikkawa, J., Kobayashi, Y., Okubo, M. & Yamada, A., 2016 4月 18, In: Nature communications. 7, 11397.

研究成果: Article › 査読

Open Access

166 被引用数 (Scopus)

Potentiometric Study to Reveal Reaction Entropy Behavior of Biphasic Na_1+2xV₂(PO₄)₃ Electrodes

Kajiyama, S., Kai, K., Okubo, M. & Yamada, A., 2016 4月, In: Electrochemistry. 84, 4, p. 234-237 4 p.

研究成果: Article › 査読

Open Access

6 被引用数 (Scopus)

Redox Potential Paradox in Na_xMO₂ for Sodium-Ion Battery Cathodes

Nanba, Y., Iwao, T., De Boisse, B. M., Zhao, W., Hosono, E., Asakura, D., Niwa, H., Kiuchi, H., Miyawaki, J., Harada, Y., Okubo, M. & Yamada, A., 2016 2月 23, In: Chemistry of Materials. 28, 4, p. 1058-1065 8 p.

研究成果: Article › 査読

73 被引用数 (Scopus)

Sodium-Ion Intercalation Mechanism in MXene Nanosheets

Kajiyama, S., Szabova, L., Sodeyama, K., Iinuma, H., Morita, R., Gotoh, K., Tateyama, Y., Okubo, M. & Yamada, A., 2016 3月 22, In: ACS Nano. 10, 3, p. 3334-3341 8 p.

研究成果: Article › 査読

354 被引用数 (Scopus)

Temperature Dependent Local Structure of Na_xCoO₂ Cathode Material for Rechargeable Sodium-Ion Batteries

Olszewski, W., Ávila Pérez, M., Marini, C., Paris, E., Wang, X., Iwao, T., Okubo, M., Yamada, A., Mizokawa, T., Saini, N. L. & Simonelli, L., 2016 3月 3, In: Journal of Physical Chemistry C. 120, 8, p. 4227-4232 6 p.

研究成果: Article › 査読

24 被引用数 (Scopus)

2017

Charge Storage Mechanism of RuO₂/Water Interfaces

Watanabe, E., Ushiyama, H., Yamashita, K., Morikawa, Y., Asakura, D., Okubo, M. & Yamada, A., 2017 9月 7, In: Journal of Physical Chemistry C. 121, 35, p. 18975-18981 7 p.

研究成果: Article › 査読

13 被引用数 (Scopus)

Enhanced Li-Ion Accessibility in MXene Titanium Carbide by Steric Chloride Termination

Kajiyama, S., Szabova, L., Iinuma, H., Sugahara, A., Gotoh, K., Sodeyama, K., Tateyama, Y., Okubo, M. & Yamada, A., 2017 5月 10, In: Advanced Energy Materials. 7, 9

研究成果: Article › 査読

164 被引用数 (Scopus)

In Vivo Redox-Responsive Sol-Gel/Gel-Sol Transition of Star Block Copolymer Solution Based on Ionic Cross-Linking

Nakagawa, Y., Ohta, S., Sugahara, A., Okubo, M., Yamada, A. & Ito, T., 2017 7月 25, In: Macromolecules. 50, 14, p. 5539-5548 10 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

Molecular Orbital Principles of Oxygen-Redox Battery Electrodes

Okubo, M. & Yamada, A., 2017 10月 25, In: ACS Applied Materials and Interfaces. 9, 42, p. 36463-36472 10 p.

研究成果: Article › 査読

110 被引用数 (Scopus)

Probing the local structure of Prussian blue electrodes by ¹¹³Cd NMR spectroscopy

Flambard, A., Sugahara, A., De, S., Okubo, M., Yamada, A. & Lescouëzec, R., 2017, In: Dalton Transactions. 46, 19, p. 6159-6162 4 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

2018

A [Fe^III(Tp)(CN)₃]^- scorpionate-based complex as a building block for designing ion storage hosts (Tp: Hydrotrispyrazolylborate)

Jiménez, J. R., Sugahara, A., Okubo, M., Yamada, A., Chamoreau, L. M., Lisnard, L. & Lescouëzec, R., 2018, In: Chemical Communications. 54, 41, p. 5189-5192 4 p.

研究成果: Article › 査読

10 被引用数 (Scopus)

Cobalt-free O2-type lithium-rich layered oxides

de Boisse, B. M., Jang, J., Okubo, M. & Yamada, A., 2018, In: Journal of the Electrochemical Society. 165, 16, p. A3630-A3633

研究成果: Article › 査読

24 被引用数 (Scopus)

Effects of nanostructuring on the bond strength and disorder in V₂O₅ cathode material for rechargeable ion-batteries

Olszewski, W., Isturiz, I., Marini, C., Avila, M., Okubo, M., Li, H., Zhou, H., Mizokawa, T., Saini, N. L. & Simonelli, L., 2018, In: Physical Chemistry Chemical Physics. 20, 22, p. 15288-15292 5 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Highly Reversible Oxygen-Redox Chemistry at 4.1 V in Na_4/7− _x[□_1/7Mn_6/7]O₂ (□: Mn Vacancy)

Mortemard de Boisse, B., Nishimura, S. I., Watanabe, E., Lander, L., Tsuchimoto, A., Kikkawa, J., Kobayashi, E., Asakura, D., Okubo, M. & Yamada, A., 2018 7月 16, In: Advanced Energy Materials. 8, 20, 1800409.

研究成果: Article › 査読

129 被引用数 (Scopus)

MXene as a Charge Storage Host

Okubo, M., Sugahara, A., Kajiyama, S. & Yamada, A., 2018 3月 20, In: Accounts of Chemical Research. 51, 3, p. 591-599 9 p.

研究成果: Article › 査読

222 被引用数 (Scopus)

Oxygen redox in hexagonal layered Na_{: X}TMO₃ (TM = 4d elements) for high capacity Na ion batteries

Assadi, M. H. N., Okubo, M., Yamada, A. & Tateyama, Y., 2018, In: Journal of Materials Chemistry A. 6, 8, p. 3747-3753 7 p.

研究成果: Article › 査読

24 被引用数 (Scopus)

2019

Combined Theoretical and Experimental Studies of Sodium Battery Materials

Watanabe, E., Chung, S. C., Nishimura, S. I., Yamada, Y., Okubo, M., Sodeyama, K., Tateyama, Y. & Yamada, A., 2019 4月, In: Chemical Record. 19, 4, p. 792-798 7 p.

研究成果: Article › 査読

12 被引用数 (Scopus)

Coulombic self-ordering upon charging a large-capacity layered cathode material for rechargeable batteries

Mortemard de Boisse, B., Reynaud, M., Ma, J., Kikkawa, J., Nishimura, S. I., Casas-Cabanas, M., Delmas, C., Okubo, M. & Yamada, A., 2019 12月 1, In: Nature communications. 10, 1, 2185.

研究成果: Article › 査読

Open Access

44 被引用数 (Scopus)

Dense Charge Accumulation in MXene with a Hydrate-Melt Electrolyte

Kim, K., Ando, Y., Sugahara, A., Ko, S., Yamada, Y., Otani, M., Okubo, M. & Yamada, A., 2019 7月 23, In: Chemistry of Materials. 31, 14, p. 5190-5196 7 p.

研究成果: Article › 査読

29 被引用数 (Scopus)

Électrochimie à l'état solide de cyanures métalliques

Okubo, M., Long, J., Talham, D. R. & Lescouëzec, R., 2019 6月 1, In: Comptes Rendus Chimie. 22, 6-7, p. 483-489 7 p.

研究成果: Short survey › 査読

Open Access

5 被引用数 (Scopus)

HPO₃^2- as a building unit for sodium-ion battery cathodes: 3.1 v operation of Na_2-xFe(HPO₃)₂ (0 < x < 1)

Ma, Z., Lander, L., Nishimura, S. I., Okubo, M. & Yamada, A., 2019, In: Chemical Communications. 55, 94, p. 14155-14157 3 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Interfacial dissociation of contact-ion-pair on MXene electrodes in concentrated aqueous electrolytes

Kim, K., Okubo, M. & Yamada, A., 2019, In: Journal of the Electrochemical Society. 166, 15, p. A3739-A3744

研究成果: Article › 査読

15 被引用数 (Scopus)

Mn 2p resonant X-ray emission clarifies the redox reaction and charge-transfer effects in LiMn₂O₄

Asakura, D., Nanba, Y., Hosono, E., Okubo, M., Niwa, H., Kiuchi, H., Miyawaki, J. & Harada, Y., 2019, In: Physical Chemistry Chemical Physics. 21, 33, p. 18363-18369 7 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

MXenes for batteries

Okubo, M. & Yamada, A., 2019 10月 30, 2D Metal Carbides and Nitrides (MXenes): Structure, Properties and Applications. Springer International Publishing, p. 367-379 13 p.

研究成果: Chapter

Negative dielectric constant of water confined in nanosheets

Sugahara, A., Ando, Y., Kajiyama, S., Yazawa, K., Gotoh, K., Otani, M., Okubo, M. & Yamada, A., 2019 12月 1, In: Nature communications. 10, 1, 850.

研究成果: Article › 査読

Open Access

85 被引用数 (Scopus)

Operando soft X-ray emission spectroscopy of the Fe₂O₃ anode to observe the conversion reaction

Asakura, D., Nanba, Y., Okubo, M., Niwa, H., Kiuchi, H., Miyawaki, J., Oshima, M., Hosono, E. & Harada, Y., 2019, In: Physical Chemistry Chemical Physics. 21, 48, p. 26351-26357 7 p.

研究成果: Article › 査読

7 被引用数 (Scopus)

Oxygen redox promoted by Na excess and covalency in hexagonal and monoclinic Na_2−xRuO₃ polymorphs

Assadi, M. H. N., Okubo, M., Yamada, A. & Tateyama, Y., 2019, In: Journal of the Electrochemical Society. 166, 3, p. A5343-A5348

研究成果: Article › 査読

Open Access

7 被引用数 (Scopus)

大久保 將史

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大久保將史