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:
Dec. 26, 2023
Filed:
May. 10, 2023
Foshan Hechu Energy Technology Co., Ltd., Foshan, CN;
Foshan Hechu Energy Technology Co., Ltd., Foshan, CN;
Abstract
A full current balancing method of SOC for an energy storage system is provided. DC output terminals of each battery pack are connected in parallel with a half-bridge control circuit to form a battery module, positive and negative electrodes of battery modules are successively connected in series to form a battery cluster. In operation, SOCs of the battery modules are sorted, battery modules with lower SOCs are put in operation first when charging, and the battery modules with higher SOCs are put in operation first when discharging, thereby achieving full current balancing of SOC among the battery packs in the battery cluster. After multiple battery clusters are connected in parallel to form a battery stack, current of the battery cluster with a low SOC is increased, and current of the battery cluster with a high SOC is decreased, thereby achieving balancing of SOC among the battery clusters.
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