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Dive into the research topics where Takuya Endo is active.

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Featured researches published by Takuya Endo.


Solid State Ionics | 2000

Phase segregation of LixMn2O4 (0.6<x<1) in non-equilibrium reduction processes

Guohua Li; Atsuo Yamada; Yuzuru Fukushima; Kiyoshi Yamaura; Takamitsu Saito; Takuya Endo; Hideto Azuma; Koji Sekai; Yoshio Nishi

Abstract Chemical synthesis routes to Li x Mn 2 O 4 (0.15≤ x ≤1) in non-equilibrium reduction processes were developed to carry out detailed structural analysis. Non-equilibrium Li x Mn 2 O 4 (0.15≤ x ≤1) samples were prepared by chemical lithiation of λ-MnO 2 with LiI for 24 h; longer than 1 week was needed to reach true equilibrium at room temperature. The samples were characterized by X-ray diffraction analysis. The phase diagram was different from that in the equilibrium state; three cubic phases (phases A, B and C) were observed for Li x Mn 2 O 4 (0.15≤ x ≤1). There were two regions of two-phase coexistence: the region of 0.25 x x x


Archive | 2002

Negative electrode material and battery using the same

Shinichiro Yamada; Hiroshi Inoue; Takuya Endo


Archive | 2010

SEPARATOR AND BATTERY

Atsushi Kajita; Yukako Teshima; Kazuki Chiba; Takuya Endo


Archive | 2000

Material for negative electrode and nonaqueous-electrolyte battery incorporating the same

Shinichiro Yamada; Takuya Endo; Hiroshi Imoto; Guohua Li; Hiroaki Tanizaki


Archive | 1999

Negative electrode material and nonaqueous electrolyte battery using the same

Takuya Endo; Hiroshi Imoto; Kokuka Ri; Hiroaki Tanizaki; Shinichiro Yamada; 浩 井本; 心一郎 山田; 国華 李; 博章 谷崎; 琢哉 遠藤


Archive | 2004

Electrolyte and battery using it

Yuzuru Fukushima; Yusuke Fujishige; Fumiko Kimura; Takuya Endo


Archive | 2001

Negative electrode active material and nonaqueous electrolyte battery

Hiroshi Inoue; Shinichiro Yamada; Takuya Endo


Archive | 2000

Methods of producing negative electrode material, negative electrode, and non-aqueous electrolyte battery

Shinichiro Yamada; Takuya Endo; Guohua Li; Hiroaki Tanizaki; Hiroshi Imoto


Archive | 2001

ALKALINE ZINC PRIMARY BATTERY AND ALKALINE ZINC SECONDARY BATTERY

Masahiro Aoki; Takuya Endo; Gentaro Kano; Goro Shibamoto; 悟郎 柴本; 巌大郎 狩野; 琢哉 遠藤; 正裕 青木


Archive | 2000

Negative electrode active material and non-aqueous electrolyte battery

Takuya Endo; Hiroshi Inoue; Shinichiro Yamada; 弘士 井上; 心一郎 山田; 琢哉 遠藤

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