Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER, ELECTRODE MIXTURE PASTE FOR POWER STORAGE DEVICE NEGATIVE ELECTRODE, POWER STORAGE DEVICE NEGATIVE ELECTRODE, AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/066101
Kind Code:
A1
Abstract:
This power storage device that uses a negative electrode active material layer containing carbon particles, silicon-based particles, and a polyimide binder, and that has porosity greater than 40%, has a high charge-discharge capacity, and has excellent cycle characteristics.
Inventors:
NAKAYAMA TAKESHIGE (JP)
SAKAI TETSUO (JP)
MORISHITA MASANORI (JP)
SAKAI TETSUO (JP)
MORISHITA MASANORI (JP)
Application Number:
PCT/JP2020/037441
Publication Date:
April 08, 2021
Filing Date:
October 01, 2020
Export Citation:
Assignee:
UBE INDUSTRIES (JP)
International Classes:
H01M4/134; H01M4/133; H01M4/1393; H01M4/1395; H01M4/36; H01M4/38; H01M4/62
Domestic Patent References:
| WO2004004031A1 | 2004-01-08 |
Foreign References:
| JP2009252580A | 2009-10-29 | |||
| JP2017010742A | 2017-01-12 | |||
| JP2013069681A | 2013-04-18 | |||
| JP2010238426A | 2010-10-21 | |||
| JP2015185509A | 2015-10-22 | |||
| JP2004235057A | 2004-08-19 | |||
| JP2003203637A | 2003-07-18 | |||
| JP2004288520A | 2004-10-14 | |||
| JP2004022433A | 2004-01-22 | |||
| JP2017092048A | 2017-05-25 |
Other References:
YASUO TAKANO, PROCEEDINGS OF THE 48TH BATTERY SYMPOSIUM IN JAPAN, vol. 2B23, 2007, pages 238
Attorney, Agent or Firm:
ITO, Katsuhiro (JP)
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