Title:
COATED POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES FOR LITHIUM-ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/045339
Kind Code:
A1
Abstract:
The present invention provides coated positive electrode active material particles for a lithium-ion battery, in which: at least a portion of the surface of each of the particles is coated with a coating layer containing a polymer compound and an electroconductive auxiliary agent; the particles are capable of improving the electroconductivity of the coating layer by optimizing the three-dimensional structure of the electroconductive auxiliary agent in the coating layer for manifestation of electroconductivity; and the particles are characterized in that the paraffin oil absorption amount measured in accordance with JIS K5101-13-1 (2004) is 25-40 mL/100 g.
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Inventors:
ISOMURA SHOGO (JP)
HORIE HIDEAKI (JP)
HORIE HIDEAKI (JP)
Application Number:
PCT/JP2021/031809
Publication Date:
March 03, 2022
Filing Date:
August 30, 2021
Export Citation:
Assignee:
APB CORP (JP)
International Classes:
H01M4/505; C01G45/00; H01M4/36
Foreign References:
| JP2020047549A | 2020-03-26 | |||
| JP2016154100A | 2016-08-25 | |||
| US20170170481A1 | 2017-06-15 | |||
| JP2019207791A | 2019-12-05 | |||
| JP2008034378A | 2008-02-14 | |||
| JP2016189325A | 2016-11-04 | |||
| JP2012150905A | 2012-08-09 |
Attorney, Agent or Firm:
WASHIO, Toru et al. (JP)
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