Hiroki Nara

主任研究員(研究院准教授)

  • 1136 Citations
  • 21 h-Index
20032019
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Research Output 2003 2019

  • 1136 Citations
  • 21 h-Index
  • 57 Article
  • 2 Chapter
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Article
2019
4 Citations (Scopus)

Effect of enhanced structural stability of Si-O-C anode by carbon nanotubes for lithium-ion battery

Ahn, S., Nara, H., Yokoshima, T., Momma, T. & Osaka, T., 2019 Jun 15, In : Materials Letters. 245, p. 200-203 4 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
structural stability
electric batteries
Carbon nanotubes
Anodes
1 Citation (Scopus)
Electrodeposition
electrodeposition
electric batteries
Life cycle
Anodes
Graphite
Sulfur
electric batteries
sulfur
graphite
Tin
electric batteries
tin
Anodes
anodes
2018
3 Citations (Scopus)

High performance sulfur graphite full cell for next generation sulfur Li-ion battery

Wu, Y., Momma, T., Yokoshima, T., Nara, H. & Osaka, T., 2018 Jun 1, In : Journal of Power Sources. 388, p. 5-10 6 p.

Research output: Contribution to journalArticle

Graphite
Sulfur
electric batteries
Anodes
sulfur
1 Citation (Scopus)

Potentiostatic way to fabricate Li2Sx cathode with suppressed polysulfide formation

Wu, Y., Jin, T., Momma, T., Yokoshima, T., Nara, H. & Osaka, T., 2018 Sep 30, In : Journal of Power Sources. 399, p. 287-293 7 p.

Research output: Contribution to journalArticle

polysulfides
Polysulfides
Cathodes
cathodes
lithium sulfur batteries
5 Citations (Scopus)
Electrochemical impedance spectroscopy
accumulators
electric batteries
Cathodes
lithium
2017
15 Citations (Scopus)

A pre-lithiation method for sulfur cathode used for future lithium metal free full battery

Wu, Y., Yokoshima, T., Nara, H., Momma, T. & Osaka, T., 2017 Feb 28, In : Journal of Power Sources. 342, p. 537-545 9 p.

Research output: Contribution to journalArticle

Lithium
Sulfur
electric batteries
Cathodes
sulfur
10 Citations (Scopus)
Ionic Liquids
Secondary batteries
Carbonates
Lithium
Ionic liquids
5 Citations (Scopus)
Secondary batteries
Lithium
Carbonates
Anodes
Carbon
17 Citations (Scopus)
Particle size analysis
Cathodes
Equivalent circuits
Charge transfer
Networks (circuits)
6 Citations (Scopus)
Electrochemical impedance spectroscopy
Energy storage
Fourier series
Cyanides
Power spectrum
Liquid chromatography
Mass spectrometry
Deterioration
Electrolytes
Degradation
8 Citations (Scopus)
accumulators
Cathodes
cathodes
room temperature
Lithium
7 Citations (Scopus)

Techniques for realizing practical application of sulfur cathodes in future Li-ion batteries

Nara, H., Tsuda, S. & Osaka, T., 2017 Jul 1, In : Journal of Solid State Electrochemistry. 21, 7, p. 1925-1937 13 p.

Research output: Contribution to journalArticle

polysulfides
Sulfur
Polysulfides
electric batteries
Cathodes
15 Citations (Scopus)
lithium sulfur batteries
metal foams
Sulfur
accumulators
Foams
2016
8 Citations (Scopus)
Electrochemical impedance spectroscopy
Dissolution
Cathodes
Degradation
Cobalt
10 Citations (Scopus)
storage batteries
Carbon Nanotubes
Secondary batteries
lithium batteries
Anchors
7 Citations (Scopus)
storage batteries
Secondary batteries
lithium batteries
polypyrroles
Polypyrroles
20 Citations (Scopus)
Equivalent circuits
transmission lines
electric batteries
Electric lines
equivalent circuits
23 Citations (Scopus)
Secondary batteries
Anodes
Metals
Composite materials
Electric Conductivity
2015
15 Citations (Scopus)
Electrochemical impedance spectroscopy
Frequency response
Oxidation-Reduction
Lithium-ion batteries
hexacyanoferrate II
7 Citations (Scopus)
storage batteries
Secondary batteries
lithium batteries
Lithium
Electrolytes
33 Citations (Scopus)

Li2S cathode modified with polyvinylpyrrolidone and mechanical milling with carbon

Liu, J., Nara, H., Yokoshima, T., Momma, T. & Osaka, T., 2015 Jan 1, In : Journal of Power Sources. 273, p. 1136-1141 6 p.

Research output: Contribution to journalArticle

Povidone
Binders
Cathodes
Carbon
cathodes
21 Citations (Scopus)
Liquid chromatography
Solid electrolytes
liquid chromatography
solid electrolytes
deterioration
27 Citations (Scopus)

Li-Rich Li-Si Alloy As A Lithium-Containing Negative Electrode Material Towards High Energy Lithium-Ion Batteries

Iwamura, S., Nishihara, H., Ono, Y., Morito, H., Yamane, H., Nara, H., Osaka, T. & Kyotani, T., 2015 Jan 28, In : Scientific Reports. 5, 8085.

Research output: Contribution to journalArticle

Lithium
Electrodes
Binders
Polymers
Soot
12 Citations (Scopus)

Micro-scale Li2S-C composite preparation from Li2SO4 for cathode of lithium ion battery

Liu, J., Nara, H., Yokoshima, T., Momma, T. & Osaka, T., 2015 Nov 20, In : Electrochimica Acta. 183, p. 70-77 8 p.

Research output: Contribution to journalArticle

Cathodes
Carbon
Particle size
Composite materials
Coatings
16 Citations (Scopus)
Hydrothermal synthesis
Heterojunctions
Anodes
Graphite
Graphene
46 Citations (Scopus)
lithium batteries
Electrochemical impedance spectroscopy
electric batteries
impedance
spectroscopy
31 Citations (Scopus)
polysulfides
Polysulfides
storage batteries
Secondary batteries
lithium batteries
2014
80 Citations (Scopus)

A lithium-ion sulfur battery based on a carbon-coated lithium-sulfide cathode and an electrodeposited silicon-based anode

Agostini, M., Hassoun, J., Liu, J., Jeong, M., Nara, H., Momma, T., Osaka, T., Sun, Y. K. & Scrosati, B., 2014 Jul 23, In : ACS Applied Materials and Interfaces. 6, 14, p. 10924-10928 5 p.

Research output: Contribution to journalArticle

Silicon
Lithium
Sulfur
Anodes
Cathodes
8 Citations (Scopus)
Electrodeposition
electrodeposition
Electrolytes
Anodes
anodes
12 Citations (Scopus)
Acetylene
Cathodes
Carbon
Coatings
Amorphous carbon
23 Citations (Scopus)

Distinction of impedance responses of Li-ion batteries for individual electrodes using symmetric cells

Momma, T., Yokoshima, T., Nara, H., Gima, Y. & Osaka, T., 2014 Jun 10, In : Electrochimica Acta. 131, p. 195-201 7 p.

Research output: Contribution to journalArticle

Electrodes
Cathodes
Charge transfer
Anodes
Degradation
24 Citations (Scopus)
Solid electrolytes
Composite films
Thick films
accumulators
thick films
12 Citations (Scopus)

Electrodeposited three-dimensional porous Si-O-C/Ni thick film as high performance anode for lithium-ion batteries

Qian, X., Hang, T., Nara, H., Yokoshima, T., Li, M. & Osaka, T., 2014 Dec 25, In : Journal of Power Sources. 272, p. 794-799 6 p.

Research output: Contribution to journalArticle

Thick films
thick films
electric batteries
Anodes
anodes
11 Citations (Scopus)
Secondary batteries
Lithium
Electrodeposition
Electrolytes
Anodes
21 Citations (Scopus)

New Si-O-C composite film anode materials for LIB by electrodeposition

Osaka, T., Nara, H., Momma, T. & Yokoshima, T., 2014 Jan 28, In : Journal of Materials Chemistry A. 2, 4, p. 883-896 14 p.

Research output: Contribution to journalArticle

Composite films
Silicon
Electrodeposition
Anodes
Durability
83 Citations (Scopus)
Graphite
Graphene
Zinc
Catalysts
Air
2013
53 Citations (Scopus)

Electrochemical impedance spectroscopy analysis for lithium-ion battery using Li4Ti5O12 anode

Hang, T., Mukoyama, D., Nara, H., Takami, N., Momma, T. & Osaka, T., 2013 Jan 15, In : Journal of Power Sources. 222, p. 442-447 6 p.

Research output: Contribution to journalArticle

Electrochemical impedance spectroscopy
equivalent circuits
Equivalent circuits
electric batteries
Anodes
15 Citations (Scopus)
Electrolytes
Fuel cells
Polymers
Cathodes
Electrochemical impedance spectroscopy
31 Citations (Scopus)
Lithium batteries
lithium batteries
Composite films
Silicon
Nickel
12 Citations (Scopus)
storage batteries
Secondary batteries
Carbonates
Electrodeposition
electrodeposition
6 Citations (Scopus)
Secondary batteries
Lithium
Electrodeposition
Structural analysis
Anodes
24 Citations (Scopus)
Secondary batteries
Lithium
Electrodeposition
Structural analysis
Anodes
2012
23 Citations (Scopus)
Degradation
Electrochemical impedance spectroscopy
Equivalent circuits
Lithium-ion batteries
77 Citations (Scopus)
Secondary batteries
lithium
Lithium
Electrodeposition
Anodes
86 Citations (Scopus)
equivalent circuits
Equivalent circuits
electric batteries
proposals
lithium
2011
11 Citations (Scopus)

Effect of the atmosphere on chemical composition and electrochemical properties of solid electrolyte interface on electrodeposited Li metal

Momma, T., Nara, H., Yamagami, S., Tatsumi, C. & Osaka, T., 2011 Aug 1, In : Journal of Power Sources. 196, 15, p. 6483-6487 5 p.

Research output: Contribution to journalArticle

Solid electrolytes
solid electrolytes
Electrochemical properties
Anodes
chemical composition
35 Citations (Scopus)
Anodes
Composite materials
Electrolytes
Propylene
Carbonates