Retired battery treatment system

• Main Authors: LAO YONGJIAN, XU ZHENTAO, WANG WENJING, CHAI JIN, XIA YANSONG
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SYSTEMS FOR STORING ELECTRIC ENERGY

The utility model discloses a decommissioned battery processing system, which comprises an echelon battery storage cabinet for placing echelon batteries, a battery management system for controlling the echelon batteries to charge and discharge, a bidirectional current conversion device and a DC/DC (Direct Current/Direct Current) converter, the echelon battery comprises M echelon battery clusters, each echelon battery cluster is composed of a plurality of echelon battery packs which are connected in series, each echelon battery cluster is connected with the DC/DC converter, the DC/DC converter is connected with the first end of the bidirectional current conversion device, the second end of the bidirectional current conversion device is connected with the power grid, and the first end of the bidirectional current conversion device is connected with the power grid. The battery management system is in communication connection with the M echelon battery clusters and the bidirectional current conversion device, and