Battery pack and active cell balancing battery management system including the same

摘要

The present invention discloses a battery pack which can be used for an electric vehicle, an Uninterrupted Power Supply (UPS), and a power supply for a smart grid and which can be easily manufactured and repaired and which is capable of improving productivity, the span of life, and performance, and a battery management system including the battery pack.
The battery pack of the present invention comprises a casing in which a reception space is provided and battery modules coupled to the casing at regular intervals by fastening members so that the battery modules can be easily dismantled from the casing. Each of the battery modules includes a tray, a battery cell provided in the tray, a cell charger provided in the tray and configured to charge the battery cell, a cell controller provided in the tray and configured to control the cell charger, a heating mat coupled to the battery cell, and a temperature sensor provided in the tray and configured to sense a temperature of the battery cell.

主权项

1. A battery pack comprising:
a casing configured to include a reception space; trays coupled to the casing at regular intervals; battery cells provided in the respective trays; cell chargers respectively configured to charge the battery cells, and at least one of the cell charger provided in each tray; cell controllers respectively configured to control the cell chargers and provided in each tray, wherein each of the cell controllers independently controls their respective cell charger(s) to charge the battery cells; heating mats coupled to the respective battery cells; and temperature sensors respectively provided in the trays and configured to sense temperatures of the battery cells.