Title:
NEGATIVE ELECTRODE ACTIVE MATERIAL, AND ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/203408
Kind Code:
A1
Abstract:
A negative electrode active material, and an electrochemical device and an electronic device using same. The negative electrode active material has a specific width-length ratio and degree of sphericity under a certain particle volume cumulative distribution, and contributes to improvement of rate performance, dynamic performance, and deformation of the electrochemical device.
Inventors:
TANG JIA (CN)
HE LIHONG (CN)
FENG PENGYANG (CN)
XIE YUANSEN (CN)
HE LIHONG (CN)
FENG PENGYANG (CN)
XIE YUANSEN (CN)
Application Number:
PCT/CN2020/084168
Publication Date:
October 14, 2021
Filing Date:
April 10, 2020
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M4/13
Foreign References:
| CN103283068A | 2013-09-04 | |||
| CN107210424A | 2017-09-26 | |||
| JP2011009051A | 2011-01-13 |
Other References:
See also references of EP 4135065A4
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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