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Tomoaki Takasaki

National Institute of Advanced Industrial Science and Technology

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Publication

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Materials Science Forum | 2007

Hydrogen Storage Properties of FCC Type Mg-Transition Metal Hydrides Prepared by GPa High Pressure Method

Tomoaki Takasaki; Daisuke Kyoi; Naoyuki Kitamura; Shigeo Tanase; Tetsuo Sakai

Hydrogenation / dehydrogenation properties of a series of ternary face centered cubic (FCC) hydrides “Mg7MHx” (M = Sc, Ti, V, Zr, Nb, Hf and Ta), which were prepared by a high-pressure technique, were investigated. Differential scanning calorimeter (DSC) measurements under hydrogen atmosphere revealed that these hydrides exhibited reversible hydrogen releasing and re-storing properties at around 600 and 560 K, respectively. These releasing temperatures are lower by 100 ~ 120 K than that of MgH2. Furthermore, pressure-composition isotherm at 523 K shows that these FCC hydrides release 3.8 - 5 wt. % hydrogens.

Journal of Physical Chemistry B | 2007

Reversible hydrogen storage property and structural analysis for face-centered cubic hydride Mg0.82Zr0.18H2 prepared by gigapascal hydrogen pressure method.

Tomoaki Takasaki; Daisuke Kyoi; Naoyuki Kitamura; Shigeo Tanase; Tetsuo Sakai

Journal of Alloys and Compounds | 2013

Cobalt-free nickel–metal hydride battery for industrial applications

Tomoaki Takasaki; Kazuya Nishimura; Makoto Saito; Hiroshi Fukunaga; Tsutomu Iwaki; Tetsuo Sakai

Archive | 2009

Nickel Positive Electrode for Fiber Battery

Tomoaki Takasaki; Tetsuo Sakai; Takashi Mukai; Tsutomu Iwaki; Kazuo Tsutsumi; Kazuya Nishimura

Journal of The Electrochemical Society | 2013

Preparation and Electrode Performance of Fiber-Type Cu-Sn Negative Electrode for Li-Ion Battery

Jinhan Yao; Tomoaki Takasaki; Kazuya Nishimura; Takashi Mukai; Tetsuo Sakai

Archive | 2010

Fiber electrodes for lithium secondary batteries, manufacturing method therefor, and lithium secondary batteries provided with fiber electrodes

Tetsuo Sakai; 境哲男; Jinhan Yao; 姚金翰; Takashi Mukai; 向井孝志; Tomoaki Takasaki; 高▲さき▼智昭; Kazuo Tsutsumi; 堤香津雄; Kazuya Nishimura; 西村和也

Journal of The Electrochemical Society | 2012

Fiber-Type Ni(OH)2 Electrode for Nickel-Metal Hydride Battery: Super High-Rate Charge/Discharge and Long Cycle-Life Performances

Tomoaki Takasaki; Kazuya Nishimura; Takashi Mukai; Tsutomu Iwaki; Kaduo Tsutsumi; Tetsuo Sakai

Journal of Alloys and Compounds | 2010

High-pressure synthesis of novel hydrides Mg7−xAxTiH16−x (A = Li, Na, K; x = 0–1.0) and their reversible hydrogen storage properties

Tomoaki Takasaki; Takashi Mukai; Naoyuki Kitamura; Shigeo Tanase; Tetsuo Sakai

Journal of The Electrochemical Society | 2013

Fiber-Type Ni(OH)2 Electrode with α/γ Phase Transformation: High-Capacity and High-Voltage Performances of Nickel-Metal Hydride Battery

Tomoaki Takasaki; Kazuya Nishimura; Takashi Mukai; Tsutomu Iwaki; Kaduo Tsutsumi; Tetsuo Sakai

Archive | 2010

Fiber electrode for lithium secondary battery, fabrication method therefor, and lithium secondary battery including fiber electrode

Tetsuo Sakai; Jinhan Yao; Takashi Mukai; Tomoaki Takasaki; Kazuo Tsutsumi; Kazuya Nishimura

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Tetsuo Sakai

National Institute of Advanced Industrial Science and Technology

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Kazuya Nishimura

Kyushu University

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Takashi Mukai

Nichia

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Jinhan Yao

National Institute of Advanced Industrial Science and Technology

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Makoto Saito

National Institute of Advanced Industrial Science and Technology

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Tsutomu Iwaki

National Institute of Advanced Industrial Science and Technology

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Kazuo Tsutsumi

Southern California Gas Company

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Kazuo Tsutsumi

Southern California Gas Company

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Naoyuki Kitamura

National Institute of Advanced Industrial Science and Technology

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Masateru Nakoji

National Institute of Advanced Industrial Science and Technology

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