非水電解液二次電池 - Hitachi Maxell Energy Co., Ltd.

Title:

非水電解液二次電池

Document Type and Number:

Japanese Patent JP5013508

Kind Code:

B2

Abstract:

To provide a nonaqueous electrolyte secondary battery having high capacity and excellent in safety at the time of overcharging.

The nonaqueous electrolyte secondary battery, equipped with a cathode with a cathode mixture layer containing lithium compound oxide as a cathode active material, has an electric capacity per volume of a battery at charging to 4.4±0.1 V of 125 mAh/cm3or more, and a heat generating speed measured at impressing voltage of 5.0 V of 0.2 W/g per gram of a cathode active material or less, and a ratio (V)/(S) between a volume (V) (cm3) of the battery and an outer surface area (S) (cm2) of 0.185 or less.

Inventors:

Toshiyuki Edamoto
Mitsuhiro Kishimi
Atsushi Ueda

Application Number:

JP2006185038A

Publication Date:

August 29, 2012

Filing Date:

July 05, 2006

Export Citation:

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Assignee:

Hitachi Maxell Energy Co., Ltd.

International Classes:

H01M4/02; H01M10/052; H01M4/131; H01M4/36; H01M4/505; H01M4/525; H01M10/05; H01M10/0525; H01M10/058

Domestic Patent References:

JP2006173099A
JP2004207120A
JP2004220952A
JP2002037631A
JP2005150093A

Foreign References:

WO2005122318A1

Attorney, Agent or Firm:

Tetsuo Miwa
Hideki Miwa

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