The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2022
Filed:
May. 24, 2019
Negative electrode plate, testing method of active specific surface area of electrode plate, battery
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Yuliang Shen, Ningde, CN;
Meng Kang, Ningde, CN;
Jiazheng Wang, Ningde, CN;
Libing He, Ningde, CN;
Qiqi Zuo, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
The present disclosure provides a battery and a testing method of an active specific surface area of an electrode plate. The battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the negative electrode plate comprises a negative current collector and a negative film, the negative film is provided on at least one surface of the negative current collector and comprises a negative active material, the negative active material comprises graphite, and an active specific surface area of the negative electrode plate is 1 cm/g˜15 cm/g. In the present disclosure, by reasonably controlling the active specific surface area of the negative electrode plate can make the battery have the characteristics of high energy density and excellent dynamics performance at the same time.