Title:
ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/077926
Kind Code:
A1
Abstract:
An electrochemical apparatus and an electronic apparatus are disclosed. The electrochemical apparatus includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer formed on the negative electrode current collector, and the negative electrode mixture layer includes a negative electrode active substance. An elongation at a yield point of the negative electrode mixture layer and D50 of the negative electrode active substance satisfy a specified relationship, and the electrolyte includes a compound having a cyano group. The electrochemical apparatus has improved rate performance and safety performance.
Inventors:
WANG KEFEI (CN)
JIANG BING (CN)
JIANG BING (CN)
Application Number:
PCT/CN2021/097825
Publication Date:
April 21, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M4/13
Foreign References:
| CN112151749A | 2020-12-29 | |||
| CN110739448A | 2020-01-31 | |||
| CN111129498A | 2020-05-08 | |||
| CN111082138A | 2020-04-28 |
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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