Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/103303
Kind Code:
A1
Abstract:
This positive electrode active material for nonaqueous electrolyte secondary batteries contains a lithium-containing transition metal oxide that has a crystal structure belonging to the space group P63mc. The lithium-containing transition metal oxide contains at least Co, Mn and Ni, and the composition ratio of Co, Mn and Ni satisfies Coα1Mnβ1Ni(1-α1-β1) (wherein 0.7 ≤ α1 < 1.0, 0 <β1 < 0.3, and 0.85 ≤ α1 + β1 < 1.0).
Inventors:
MAEDA AKIHIRO
SAITO MOTOHARU
AOKI YOSHINORI
SAITO MOTOHARU
AOKI YOSHINORI
Application Number:
PCT/JP2013/007586
Publication Date:
July 03, 2014
Filing Date:
December 25, 2013
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M4/525; H01M4/131; H01M4/505
Domestic Patent References:
| WO2008081839A1 | 2008-07-10 |
Foreign References:
| JP2011170994A | 2011-09-01 | |||
| JP2010129509A | 2010-06-10 | |||
| JP2011228273A | 2011-11-10 |
Attorney, Agent or Firm:
YKI Patent Attorneys (JP)
Patent business corporation YKI international patent firm (JP)
Patent business corporation YKI international patent firm (JP)
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