Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER, NEGATIVE ELECTRODE, AND LITHIUM-ION RECHARGEABLE BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/238325
Kind Code:
A1
Abstract:
This negative electrode active material layer comprises a negative electrode active material and acicular particles. The negative electrode active material contains silicon. The acicular particles include at least one type selected from the group consisting of titanic oxide, potassium titanate, aluminum oxide, silicon carbide, silicon nitride, and silicon oxide. The length of the minor axis of the acicular particles falls within the range from 0.1 μm to 0.5 μm. The aspect ratio of the acicular particles falls within the range from 1.2 to 15.0.
Inventors:
SASAGAWA HIROSHI (JP)
MORI TAKASHI (JP)
MORI TAKASHI (JP)
Application Number:
PCT/JP2022/023292
Publication Date:
December 14, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
H01M4/134; H01M4/38; H01M4/62
Foreign References:
| JP2019186164A | 2019-10-24 | |||
| JP2006252998A | 2006-09-21 | |||
| JP2018006284A | 2018-01-11 | |||
| JP2006172901A | 2006-06-29 | |||
| JP2011060558A | 2011-03-24 |
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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