Title:
METHOD FOR MANUFACTURING NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, AND METHOD FOR MANUFACTURING LITHIUM-ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/028993
Kind Code:
A1
Abstract:
In the present invention, a method for manufacturing a negative electrode material for a lithium-ion secondary battery comprises: (a) a step of obtaining a mixture that includes a graphitizable aggregate and a graphitizable binder; (b) a step of molding the mixture to obtain a molded article; (c) a step of graphitizing the molded article to obtain a graphitized article; and (d) a step of pulverizing the graphitized article to obtain a pulverized article, wherein the binder includes an aqueous binder that contains a macromolecular compound that has water solubility or water absorbency.
Inventors:
MATSUMOTO YOSHIYUKI (JP)
UCHIYAMA YOSHINORI (JP)
TSUCHIYA HIDEYUKI (JP)
ONUMA HIROO (JP)
KAMIJO YUICHI (JP)
UCHIYAMA YOSHINORI (JP)
TSUCHIYA HIDEYUKI (JP)
ONUMA HIROO (JP)
KAMIJO YUICHI (JP)
Application Number:
PCT/JP2022/029713
Publication Date:
February 08, 2024
Filing Date:
August 02, 2022
Export Citation:
Assignee:
RESONAC CORP (JP)
International Classes:
H01M4/1393; H01M4/587; H01M4/62
Domestic Patent References:
| WO2013157160A1 | 2013-10-24 |
Foreign References:
| JP2016177975A | 2016-10-06 | |||
| CN105789594A | 2016-07-20 | |||
| CN110562950A | 2019-12-13 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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