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Dive into the research topics where 重人 岡田 is active.

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Featured researches published by 重人 岡田.


The reports of Institute of Advanced Material Study Kyushu University | 2001

Synthesis, Structures, and Electrochemical Characteristics of Pyrophosphates

Yasushi Uebou; Shigeto Okada; 重人 岡田; Minato Egashira; 港 江頭; Jun-ichi Yamaki; 準一 山木; ヤスシ ウエボウ; シゲト オカダ; ミナト エガシラ; ジュンイチ ヤマキ

We synthesized the two pyrophosphates LiVP_2O_7 and TiP_2O_7 by a solid state reaction, and the cathode properties of lithium secondary batteries were investigated. The structures were characterized by powder X-ray Rietveld refinement. Lithium cells using LiVP_2O_7 and TiP_2O_7 cathodes showed that approximately 0.5 Li per unit could be reversibly deintercalated from LiVP_2O_7 at 4.1V vs. Li/Li^+, 0.8 Li per unit could be reversibly intercalated into TiP_2O_7 at 2.6V vs. Li/Li^+. The redox potentials 4.1V of LiVP_2O_7 and 2.6V of TiP_2O_7 were higher than that of transition metal oxides such as VO_2 and TiO_2.


Archive | 2006

Cathode active material for nonaqueous electrolyte secondary battery and battery

Tomoko Iwanaga; Emiko Kitajima; Shumei Nishijima; Shigeto Okada; Jun-Ichi Yamaki; 枝美子 北島; 準一 山木; 重人 岡田; 朋子 岩永; 主明 西島


Archive | 1996

Whole solid lithium battery

So Arai; Takahisa Masashiro; Shigeto Okada; Hideaki Otsuka; Jun-Ichi Yamaki; 秀昭 大塚; 準一 山木; 重人 岡田; 尊久 正代; 創 荒井


Archive | 2007

Active material for sodium secondary battery, and method for producing the same

Takayuki Doi; Shigeto Okada; Tomoyuki Shiratsuchi; Jun-Ichi Yamaki; 貴之 土井; 準一 山木; 重人 岡田; 友透 白土


Archive | 2007

Manufacturing method of positive electrode active material for secondary battery

Takayuki Doi; Shigeru Fujino; Shinya Okabe; Shigeto Okada; Jun-Ichi Yamaki; 貴之 土井; 準一 山木; 重人 岡田; 真也 岡部; 茂 藤野


Archive | 2002

ELECTRODE ACTIVE SUBSTANCE, ITS MANUFACTURING METHOD, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Shigeru Fujino; Shigeto Okada; Jun-Ichi Yamaki; Hideyuki Yamamura; 準一 山木; 英行 山村; 重人 岡田; 茂 藤野


Archive | 2009

Method for manufacturing positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same

Takayuki Doi; Shigeto Okada; Jun-Ichi Yamaki; Akira Yoda; 貴之 土井; 準一 山木; 重人 岡田; 晃 與田


Archive | 2004

Electrode active material, manufacturing method therefor and non-aqueous secondary battery

Shigeto Okada; Yasunori Okazaki; Hiromichi Takebe; Jun-Ichi Yamaki; 準一 山木; 泰憲 岡崎; 重人 岡田; 博倫 武部


Archive | 2003

Secondary battery and method of manufacturing positive electrode material therefor

Naoki Hatta; Toshikazu Inaba; Shigeto Okada; Izumi Uchiyama; Jun-Ichi Yamaki; 直樹 八田; 泉 内山; 準一 山木; 重人 岡田; 俊和 稲葉


Archive | 2005

Manufacturing method of activator for non-aqueous electrolyte battery

Shinji Nakanishi; Shigeto Okada; Koji Yoshizawa; 真二 中西; 重人 岡田; 浩司 芳澤

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