POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM BATTERY AND LITHIUM BATTERY CONTAINING THE SAME

Title:

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM BATTERY AND LITHIUM BATTERY CONTAINING THE SAME

Document Type and Number:

Japanese Patent JP2014096333

Kind Code:

A

Abstract:

To provide a positive electrode active material for a lithium battery capable of making discharge capacity higher than that of the conventional lithium batteries by being used for a lithium battery and to provide the lithium battery containing the same.

The positive electrode active material for a lithium battery is represented by the formula (1) below, and the crystal structure thereof is a rock salt type. Li₂ Ni_1-x-yCo_xMn_yTiO₄ composition formula (1) (In the composition formula (1) above, x and y are real numbers satisfying x>0, y>0, and x+y<1.)

Inventors:

OKADA SHIGETO
KITAJO AYUKO
TSUJI RYUICHI
YOSHIDA ATSUSHI
NAKANISHI SHINJI

Application Number:

JP2012248749A

Publication Date:

May 22, 2014

Filing Date:

November 12, 2012

Export Citation:

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Assignee:

UNIV KYUSHU
TOYOTA MOTOR CORP

International Classes:

H01M4/58; C01G53/00

Domestic Patent References:

JP2010086772A	2010-04-15
JP2011233234A	2011-11-17
JPH10251020A	1998-09-22

Foreign References:

WO2012066638A1

2012-05-24

Other References:

JPN6013064480; Ｌｉｔｔｙ　Ｓｅｂａｓｔｉａｎ　ｅｔ　ａｌ．: 'Ｌｉ２ＭＴｉＯ４　（Ｍ＝Ｍｎ，　Ｆｅ，　Ｃｏ，　Ｎｉ）：　Ｎｅｗ　ｃａｔｉｏｎ-ｄｉｓｏｒｄｅｒｅｄ　ｒｏｃｋｓａｌｔ　ｏｘｉｄｅｓ　ｅｘｈｉｂｉｔｉｎｇ　ｏｘｉｄａｔｉｖｅ　ｄｅｉｎｔｅｒｃａｌａｔ' Ｊｏｕｒｎａｌ　ｏｆ　Ｓｏｌｉｄ　Ｓｔａｔｅ　ＣｈｅｍｉｓｔｒｙＶｏｌｕｍｅ　１７２，　Ｉｓｓｕｅ　１, 2003, ｐｐ．１７１-１７７

Attorney, Agent or Firm:

Kishimoto Tatsuto
Akihiko Yamashita
Noriyuki Yamamoto

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