BATTERY MANAGEMENT SYSTEM, AND METHOD AND APPARATUS FOR TRANSMITTING INFORMATION

The present disclosure provides a battery management system (100), and a method (500, 600, 700) and apparatus (800, 900, 1000) for transmitting information. The method (500) includes: determining (S510),, from a plurality of slave nodes (S, S, S, S), a fault slave node that communicates abnormally with a master node (M) in the battery management system (100); selecting (S520) a target slave node from the plurality of slave nodes (S, S, S, S), wherein the target slave node is a slave node that communicates normally with both the master node (M) and the fault slave node; transmitting (S530) frequency conversion information to the target slave node, so that the target slave node forwards the frequency conversion information to the fault slave node, and the fault slave node performs a frequency conversion based on the frequency conversion information; and transmitting (S540) information with the fault slave node using a frequency after the frequency conversion. According to the battery management system (100) and the method (500, 600, 700) and apparatus (800, 900, 1000) for transmitting information according to embodiments of the present disclosure, the reliability of wireless communication in the battery management system (100) can be improved.