Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION BATTERY, A POSITIVE ELECTRODE FOR LITHIUM-ION BATTERY, AND LITHIUM-ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2012/073548
Kind Code:
A1
Abstract:
Disclosed is a positive electrode active material for lithium-ion batteries that has excellent battery characteristics. The positive electrode active material for lithium-ion batteries is represented by the composition formula Li(LixNi1-x-yMy)O2+α (in the formula, M is Co (as an essential component) and one or more elements selected from Sc, Ti, V, Cr, Mn, Fe, Cu, Zn, Ga, Ge, Al, Bi, Sn, Mg, Ca, B and Zr, with 0 ≤ x ≤ 0.1, 0 < y ≤ 0.7, and α > 0), and has an average particle diameter (D50) of 5-15 μm.
Inventors:
KOBAYASHI SHUNSUKE (JP)
KAJIYA YOSHIO (JP)
KAJIYA YOSHIO (JP)
Application Number:
PCT/JP2011/066718
Publication Date:
June 07, 2012
Filing Date:
July 22, 2011
Export Citation:
Assignee:
JX NIPPON MINING & METALS CORP (JP)
KOBAYASHI SHUNSUKE (JP)
KAJIYA YOSHIO (JP)
KOBAYASHI SHUNSUKE (JP)
KAJIYA YOSHIO (JP)
International Classes:
H01M4/525; H01M4/505
Domestic Patent References:
| WO2007142275A1 | 2007-12-13 |
Foreign References:
| JP2006127955A | 2006-05-18 | |||
| JP2007257890A | 2007-10-04 | |||
| JP2009245955A | 2009-10-22 | |||
| JP2006054159A | 2006-02-23 |
Attorney, Agent or Firm:
AXIS Patent International (JP)
Axis international patent business corporation (JP)
Axis international patent business corporation (JP)
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Claims: