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Featured researches published by Naoki Imachi.


Journal of The Electrochemical Society | 2007

Layered Cathode for Improving Safety of Li-Ion Batteries

Naoki Imachi; Yasuo Takano; Hiroyuki Fujimoto; Yoshinori Kida; Shin Fujitani

To improve the safety performance of Li-ion batteries using LiCoO 2 cathodes without sacrificing battery capacity, a new electrode concept using a multilayered cathode as an alternative to a mixture of different kinds of powder is introduced. Results from a double-layered cathode consisting of a LiCoO 2 main layer with a LiFePO 4 sublayer on top of an aluminum current collector are presented. The mechanism of how the LiFePO 4 layer improves the tolerance of the batteries against overcharging is discussed.


Archive | 2007

Nonaqueous electrolyte battery and its manufacturing method

Yasunori Baba; Shin Fujitani; Nobuhiro Hokotani; Naoki Imachi; Atsushi Kaizuka; Yoshinori Kida; Hiroyuki Minami; Takeshi Ogasawara; 直希 井町; 博之 南; 佳典 喜田; 毅 小笠原; 伸 藤谷; 篤史 貝塚; 伸宏 鉾谷; 泰憲 馬場


Archive | 2008

Separator for nonaqueous electrolyte battery, and nonaqueous electrolyte battery

Yasunori Baba; Naoki Imachi; Atsushi Nakajima; Michihiko Irie; Masanori Nakamura


Archive | 2005

Separator for non-aqueous electrolyte battery and non-aqueous electrolyte battery

Naoki Imachi; Seiji Yoshimura


Archive | 2000

Positive electrode for non-aqueous electrolyte cell and manufacturing method of the same

Satoshi Narukawa; Naoki Imachi; Shiori Nakamizo


Archive | 2006

Nonaqueous electrolyte battery and manufacturing method thereof

Yasunori Baba; Shin Fujitani; Naoki Imachi; Atsushi Kaizuka; Yoshinori Kida; 直希 井町; 佳典 喜田; 伸 藤谷; 篤史 貝塚; 泰憲 馬場


Archive | 1999

Positive electrode for nonaqueous electrolyte battery, its manufacture, nonaqueous electrolyte battery using the positive electrode, and manufacture of the battery

Naoki Imachi; Shiori Nakamizo; Satoshi Ubukawa; 紫織 中溝; 直希 井町; 訓 生川


Archive | 1999

Non-aqueous electrolyte cell having a positive electrode with Ti-attached LiCoO2

Naoki Imachi; Yasunobu Kodama; Ichiro Yoshida; Ikuro Nakane; Satoshi Narukawa


Archive | 2010

Nonaqueous electrolyte secondary battery and method for manufacturing nonaqueous electrolyte secondary battery

Takeshi Ogasawara; Hiroyuki Matsumoto; Naoki Imachi


Archive | 2008

Method of manufacturing positive electrode for non-aqueous electrolyte battery, slurry used therefor, and non-aqueous electrolyte battery

Naoki Imachi; Nobuhiro Sakitani; Masaaki Tanaka

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