Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Eiji Hosono"'
Autor:
Eiji Hosono, Yoshihisa Harada, Naoka Nagamura, Daisuke Asakura, Masaharu Oshima, Hirokazu Kitaura, Takaaki Sudayama, Koji Horiba, Keishi Akada
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. 233:64-68
To develop innovative materials for lithium-ion batteries (LIBs), intensive research has been carried out in the research fields of materials, processing, and electrochemistry. Studies of novel analytical methods using synchrotron radiation X-rays ha
Autor:
Takuro Matsumoto, Takashi Kato, Haoshen Zhou, Junji Sakuda, Eiji Hosono, Masafumi Yoshio, Hiroyuki Ohno, Takahiro Ichikawa
Publikováno v:
Advanced Functional Materials. 25:1206-1212
Thermotropic liquid-crystalline (LC) electrolytes for lithium-ion batteries are developed for the first time. A rod-like LC molecule having a cyclic carbonate moiety is used to form self-assembled two-dimensional ion-conductive pathways with lithium
Autor:
Eiji Hosono, Jun Kikkawa, Haoshen Zhou, Takuro Nagai, Koji Kimoto, Masashi Okubo, Koichi Kagesawa
Publikováno v:
The Journal of Physical Chemistry C. 118:7678-7682
Electrospinning enables fabrication of nanowires (NWs) of various materials from a polymer solution. Nevertheless, few reports have described single crystallization of oxide and polyanion NWs. Its mechanism remains unknown. This report presents trans
Autor:
Yoshifumi Mizuno, Tetsuichi Kudo, Masashi Okubo, Haoshen Zhou, Eiji Hosono, Katsuyoshi Oh-ishi
Publikováno v:
The Journal of Physical Chemistry C. 117:10877-10882
Interfacial charge transfer is one of the most important fundamental steps in the charge and discharge processes of intercalation compounds for rechargeable batteries. In this study, temperature-dependent electrochemical impedance spectroscopy was ca
Reversible contrast in focus series of annular bright field images of a crystalline LiMn2O4 nanowire
Publikováno v:
Ultramicroscopy. 125:43-48
A through-focus series of annular bright field (ABF) images were observed simultaneously with high-angle annular dark field (HAADF) images of very thin lithium manganese oxide (LiMn 2 O 4 ), a typical cathode material used in lithium ion batteries, u
Autor:
Soyeon Lee, Ryoji Kanno, Kunio Takayanagi, Kyungsu Kim, Hansen M. Chang, Haoshen Zhou, Eiji Hosono, Yoshifumi Oshima
Publikováno v:
Journal of Physical Chemistry C. 117(46):24236-24241
We developed a “nanobattery” consisting of LiMn2O4 nanowires, ionic liquid electrolyte, and Li4Ti5O12 crystals and performed in situ transmission electron microscope observation during charge and discharge cycles. The LiMn2O4 nanowire was found t
Publikováno v:
Advanced Functional Materials. 21:3673-3680
Biomimetic solid solutions of manganese and cobalt carbonates (MnCO3–CoCO3) are used as the precursors for the synthesis of the corresponding metal oxides. The different structures of the metal oxides with porous morphologies, such as pure manganes
Publikováno v:
The Journal of Physical Chemistry C. 114:18358-18365
High-quality single crystalline LiMn2O4 nanowires, which can be synthesized by the conversion of Na0.44MnO2 nanowires, are promising electrode materials for high-power lithium ion batteries. Understanding the conversion mechanism is crucial for furth
Publikováno v:
The Journal of Physical Chemistry C. 113:1093-1097
Mesoporous carbon nanofibers have been prepared by a confined self-assembly of triblock copolymers with soluble low molecular weight phenolic resol within the channels of anodic alumina membranes. SEM and TEM observations showed that hexagonally arra
Publikováno v:
Journal of Sol-Gel Science and Technology. 39:63-72
Mesoporous ZnO nanosheets were successfully prepared by pyrolytic transformation of zinc carbonate hydroxide hydrate, Zn4CO3(OH)6·H2O. The nanosheets were initially formed as assemblies on glass substrates during chemical bath deposition (CBD) in aq