Title:
A lithium secondary battery containing quality of mixed cathode active material and this whose output characteristic and safety improved
Document Type and Number:
Japanese Patent JP5961911
Kind Code:
B2
Abstract:
Provided are a mixed cathode active material having improved power characteristics and safety, and a lithium secondary battery including the same. More particularly, the present invention relates to a mixed cathode active material which may assist power in a low SOC range to widen an available state of charge (SOC) range and may simultaneously provide improved safety by blending substituted LFP, in which operating voltage is adjusted by substituting a portion of iron (Fe) with other elements such as titanium (Ti), in order to prevent a rapid increase in resistance of manganese (Mn)-rich having high capacity but low operating voltage in a low SOC range (e.g., a SOC range of 10% to 40%), and a lithium secondary battery including the mixed cathode active material.
Inventors:
Oh, Son Tech
Lee, Sunwook
Lee, slim
Chun, Gyun Chan
Kim, jekok
Rim, gin sub
Lee, Sunwook
Lee, slim
Chun, Gyun Chan
Kim, jekok
Rim, gin sub
Application Number:
JP2015515961A
Publication Date:
August 03, 2016
Filing Date:
August 02, 2013
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
H01M4/505; H01M4/131; H01M4/36; H01M4/525; H01M4/58; H01M4/62; H01M10/0525
Domestic Patent References:
| JP2011134708A | ||||
| JP2009029670A | ||||
| JP2002117903A | ||||
| JP2010225486A | ||||
| JP2012033507A | ||||
| JP2011134670A | ||||
| JP2005174661A |
Foreign References:
| WO2011105833A1 | ||||
| WO2011132369A1 |
Attorney, Agent or Firm:
Longhua International Patent Service Corporation
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