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:
Apr. 28, 2026
Filed:
Nov. 29, 2022
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Qidong Lou, Ningde City, CN;
Jinbo Cai, Ningde City, CN;
Wei Zhang, Ningde City, CN;
Zhimin Dan, Ningde City, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A charging device, a charging control method, an energy management system and a storage medium are provided. The charging device includes: a charging circuit including a voltage stability control circuit, an output port and an input port; the voltage stability control circuit being connected to a high-voltage alternating current through the input port and connected to a battery through the output port, and configured to convert the high-voltage alternating current into a low-voltage direct current, charge the battery with a positive pulse current during a first period and charge the battery with a negative pulse current during a second period; and an energy absorption circuit connected in parallel with the charging circuit and configured to absorb the negative pulse current.