Title:
A manufacturing method of the quality for lithium secondary batteries of cathode active material
Document Type and Number:
Japanese Patent JP6055761
Kind Code:
B2
Abstract:
The invention provides a method of producing a cathode active material for a lithium secondary battery, whereby it is possible to configure a lithium secondary battery in which the discharge capacity is improved and elution of lithium ions from the lithium metal phosphate is suppressed when washing the lithium metal phosphate after the same was synthesized. The method of producing a cathode active material for a lithium secondary battery includes synthesizing a lithium metal phosphate represented by a composition formula LiMPO4, wherein the element M represents one or two or more of transition metals selected from among Fe, Mn, Co and Ni, and after the synthesis, washing the lithium metal phosphate with a washing liquid containing lithium ion.
Inventors:
Isao Kawabe
Akihiko Shirakawa
Weaving
Akane Tonegawa
Akihiko Shirakawa
Weaving
Akane Tonegawa
Application Number:
JP2013512393A
Publication Date:
December 27, 2016
Filing Date:
April 25, 2012
Export Citation:
Assignee:
SHOWA DENKO K.K.
International Classes:
H01M4/58; C01B25/45; H01M4/36
Domestic Patent References:
| JP2010244723A | 2010-10-28 | |||
| JP2010218970A | 2010-09-30 | |||
| JP2008047412A | 2008-02-28 | |||
| JP2010251302A | 2010-11-04 | |||
| JP2005123107A | 2005-05-12 | |||
| JP2011009190A | 2011-01-13 | |||
| JP2008532910A | 2008-08-21 | |||
| JP2011077036A | 2011-04-14 |
Foreign References:
| CN101540398A | 2009-09-23 | |||
| CN101830453A | 2010-09-15 | |||
| WO2008105490A1 | 2008-09-04 | |||
| CN101540398A | 2009-09-23 | |||
| CN101830453A | 2010-09-15 |
Attorney, Agent or Firm:
Masatake Shiga
Suzuki Mitsuyoshi
Norihiko Ara
Osamu Mikuni
Suzuki Mitsuyoshi
Norihiko Ara
Osamu Mikuni
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