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:
Jan. 30, 2024
Filed:
Jun. 20, 2023
Contemporary Amperex Technology Co., Limited, Fujian, CN;
Xiang Zhou, Fujian, CN;
Jiang Liu, Fujian, CN;
Baiqing Li, Fujian, CN;
Yao Jiang, Fujian, CN;
Xiaomei Liu, Fujian, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
Abstract
A positive electrode sheet may comprise a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material may comprises an inner core containing LiMnAPRO, a first coating layer containing pyrophosphate MPOand phosphate XPOand covering the inner core, and a second coating layer containing carbon element and covering the first coating layer.