Title:
METHOD FOR PRODUCING NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/019726
Kind Code:
A1
Abstract:
A method for producing a negative electrode material for lithium ion secondary batteries, said method comprising: (a) a step for obtaining a mixture that contains a graphitizable aggregate and a graphitizable binder; (b) a step for obtaining a molded material having a density of 1.3 g/cm3 or less by molding the mixture; (c) a step for obtaining a graphitized material by graphitizing the molded material; and (d) a step for obtaining a ground material by grinding the graphitized material.
Inventors:
SATO TAKESHI (JP)
MIYAUCHI TAKAYUKI (JP)
KAGAWA TAKUYA (JP)
IKEDA YUSUKE (JP)
MIYAUCHI TAKAYUKI (JP)
KAGAWA TAKUYA (JP)
IKEDA YUSUKE (JP)
Application Number:
PCT/JP2019/030011
Publication Date:
February 04, 2021
Filing Date:
July 31, 2019
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M4/587; C01B32/205; H01M4/1393
Domestic Patent References:
| WO2015147012A1 | 2015-10-01 | |||
| WO2015147012A1 | 2015-10-01 |
Foreign References:
| JP2013201104A | 2013-10-03 | |||
| JP2004127913A | 2004-04-22 |
Other References:
See also references of EP 4007016A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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