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Dive into the research topics where Minoru Kuniyoshi is active.

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Featured researches published by Minoru Kuniyoshi.


Electrochemical and Solid State Letters | 2006

Lithium Aluminum Manganese Oxide Having Spinel-Framework Structure for Long-Life Lithium-Ion Batteries

Kingo Ariyoshi; Eiichi Iwata; Minoru Kuniyoshi; Hiromichi Wakabayashi; Tsutomu Ohzuku

Lithium aluminum manganese oxide (LAMO) having a spinel-framework structure (a = 8.211 A) was prepared and examined in lithium nonaqueous cells. LAMO shows extremely small irreversible capacity with rechargeable capacity of ca. 105 mAh g -1 in lithium cells operated in voltage of 3 to 5 V. To show durability for long-life applications, a 2.5 V lithium-ion cell of Li[Li 1/3 Ti 5/3 ]O 4 and LAMO was fabricated and accelerated cycle tests were done at room temperature in voltage of 2 to 3 V for 3600 cycles, and an empirical relation between capacity (Q) and number of cycle (n) was obtained to be Q = 102.7 - 0.144 n 1/2 .


Archive | 2003

Lithium manganese composite oxide granule secondary particle and method for producing the same and application thereof

Minoru Kuniyoshi; Koji Tsukuma; 国吉 実; 津久間 孝次


Archive | 2003

Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof

Koji Tsukuma; Minoru Kuniyoshi


Archive | 2004

New lithium-nickel-manganese multiple oxide and its manufacturing method

Yasuhiro Fujii; Hidekazu Iwata; Minoru Kuniyoshi; Takayuki Shoji; Naoto Suzuki; 実 国吉; 英一 岩田; 孝之 庄司; 康浩 藤井; 直人 鈴木


Archive | 2004

Treated manganese ore, process for producing the same, and use thereof

Minoru Kuniyoshi; Kouya Honjo


Archive | 2004

Lithium-nickel-manganese composite oxide, processes for producing the same, and use of the same

Yasuhiro Fujii; Naoto Suzuki; Takayuki Shoji; Minoru Kuniyoshi


Archive | 2004

Lithium-nickel-manganese composite oxide, process for producing the same and use thereof

Yasuhiro Fujii; Naoto Suzuki; Takayuki Shoji; Minoru Kuniyoshi; Eiichi Iwata


Meeting Abstracts | 2006

Lithium Aluminum Manganese Oxide (LAMO) for Long-Life Lithium Batteries

Kingo Ariyoshi; Hiromichi Wakabayashi; Eiichi Iwata; Minoru Kuniyoshi; Tsutomu Ohzuku


Archive | 2004

新規なリチウム・ニッケル・マンガン複合酸化物およびその製造方法

Yasuhiro Fujii; Hidekazu Iwata; Minoru Kuniyoshi; Takayuki Shoji; Naoto Suzuki; 実 国吉; 英一 岩田; 孝之 庄司; 康浩 藤井; 直人 鈴木


Archive | 2004

Oxyde composite de lithium-nickel-manganese, son procede de production et son utilisation

Yasuhiro Fujii; Naoto Suzuki; Takayuki Shoji; Minoru Kuniyoshi; Eiichi Iwata

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