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Title:
SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2012023005
Kind Code:
A
Abstract:

To provide a secondary battery excellent in safety without reducing the capacity thereof.

The present invention relates to a secondary battery including: an electrode assembly comprising a first electrode plate including an active material layer where a first active material is coated on a collector and a plain part where the active material is not coated, a second electrode plate including an active material layer where a second active material is coated on a collector and a plain part where the active material is not coated, and a separator interposed between the first and second electrode plates; an electrolyte comprising a lithium salt at a concentration of 0.5-1 M and an organic solvent; and a case accommodating the electrode assembly and the electrolyte therein.


Inventors:
CHE SHENG YUBU
Application Number:
JP2010232527A
Publication Date:
February 02, 2012
Filing Date:
October 15, 2010
Export Citation:
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Assignee:
SAMSUNG SDI CO LTD
International Classes:
H01M10/0525; H01M4/13; H01M10/0568; H01M10/0569; H01M50/417; H01M50/489; H01M50/491
Domestic Patent References:
JP2007115517A2007-05-10
JP2010095629A2010-04-30
JP2005293950A2005-10-20
JP2004103473A2004-04-02
JP2009199960A2009-09-03
JP2005347240A2005-12-15
Attorney, Agent or Firm:
Takashi Watanabe
Yasuhiko Murayama