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Title:
METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/131129
Kind Code:
A1
Abstract:
The method for manufacturing a positive electrode active material for a non-aqueous electrolyte secondary battery according to one embodiment of the present invention comprises: a first step for adding an alkaline solution having a tungsten compound dissolved therein to a lithium-metal composite oxide powder represented by general formula LizNi1-x-yCoxMyO2 (where 0≤x≤0.1, 0≤y≤0.1, and 0.97≤z≤1.20 are satisfied, and M is at least one type of element selected from among Mn, W, Mg, Mo, Nb, Ti, Si, and Al), and mixing same; and a second step for heating the mixture of the alkaline solution and the lithium-metal composite oxide powder at 100-600°C, wherein the amount of the alkaline solution to be added in the first step is 0.1-10 mass% with respect to the amount of the lithium-metal composite oxide powder.

Inventors:
TOCHIO TAKAYA
KANAI TOSHINOBU
OGASAWARA TAKESHI
Application Number:
JP2018/045667
Publication Date:
July 04, 2019
Filing Date:
December 12, 2018
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (〒5406207, JP)
International Classes:
H01M4/525; C01G53/00; H01M4/505
Domestic Patent References:
WO2017018099A12017-02-02
WO2017078136A12017-05-11
Foreign References:
JP2015216105A2015-12-03
JP2017084513A2017-05-18
JP2012079464A2012-04-19
JP2016127004A2016-07-11
Attorney, Agent or Firm:
KAMATA Kenji et al. (〒5406207, JP)
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