Title:
LARGE LITHIUM ION SECONDARY BATTERY AND ELECTRIC STORAGE SYSTEM
Document Type and Number:
Japanese Patent JP2007095421
Kind Code:
A
Abstract:
To provide a means for significantly improving stability when a lithium ion secondary battery is increased in size.
The discharge capacity of the lithium ion secondary battery rapidly decreases when a discharge rate grows higher. Therefore, a current is suppressed from rapidly flowing when shorted, allowing heating speed due to resistive heating to be suppressed which is an initial cause of heating. Thus, a safety measure such as shutting down function with a separator, used in a small lithium ion secondary battery, effectively functions.
Inventors:
YAMADA KAZUO
NISHIJIMA SHUMEI
NISHIMURA NAOTO
MITACHI TAKEHITO
NISHIJIMA SHUMEI
NISHIMURA NAOTO
MITACHI TAKEHITO
Application Number:
JP2005281387A
Publication Date:
April 12, 2007
Filing Date:
September 28, 2005
Export Citation:
Assignee:
SHARP KK
International Classes:
H01M4/02; H01M4/13; H01M4/136; H01M4/58; H01M4/80; H01M10/05; H01M10/052; H01M10/058; H01M10/48
Attorney, Agent or Firm:
Shizuo Sano
Shigeki Yamada
Shigeki Yamada
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