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:
Feb. 22, 2022
Filed:
May. 23, 2019
Contemporary Amperex Technology Co., Limited, Ningde, CN;
Limei Yang, Ningde, CN;
Xiaomei Liu, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
The present disclosure provides a battery and method for preparing the same. The battery includes a cell and an electrolyte; the cell includes a positive electrode plate, a negative electrode plate and a separator. Wherein in the battery, at least one surface of the positive electrode film and/or the negative electrode film is provided with protrusions, with a proviso that: 0.3≤(T+T)/(H+H)≤1; wherein Tis a height of the protrusions provided on the at least one surface of the positive electrode film, Tis a height of the protrusions provided on the at least one surface of the negative electrode film, His a thickness increase of the positive electrode film when the battery has a 100% SOC, His a thickness increase of the negative electrode film when the battery has a 100% SOC.