Title:
METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/145116
Kind Code:
A1
Abstract:
Provided are a simple, higher productivity method for producing a highly crystalline positive electrode active material, and a molded article which can be used suitably in the production method. A method for producing a positive electrode active material for a lithium ion secondary battery that contains a lithium-nickel composite oxide, wherein the method for producing a positive electrode active material for a lithium ion secondary battery is equipped with a mixing step for mixing a nickel compound, a lithium compound, and organic compound particles to obtain a lithium mixture, a molding step for molding the lithium mixture to obtain a molded article, a firing step for firing the molded article to obtain a fired product, and a crushing step for crushing the fired product to obtain a lithium-nickel composite oxide powder.
Inventors:
SUZUKI JUN (JP)
Application Number:
PCT/JP2019/050439
Publication Date:
July 16, 2020
Filing Date:
December 23, 2019
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
C01G53/00; H01M4/525
Domestic Patent References:
| WO1998006670A1 | 1998-02-19 |
Foreign References:
| JP2014049407A | 2014-03-17 | |||
| JP2017208207A | 2017-11-24 | |||
| JP2019172510A | 2019-10-10 | |||
| JP2011146309A | 2011-07-28 | |||
| JP2000072446A | 2000-03-07 | |||
| JPH11135123A | 1999-05-21 | |||
| JPH06290780A | 1994-10-18 | |||
| JP2019002918A | 2019-01-10 |
Other References:
See also references of EP 3909915A4
Attorney, Agent or Firm:
NISHI, Kazuya et al. (JP)
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