Battery management system with dual-balancing mechanism for LiFePO4 battery module

This paper presents a battery management system of LiFePO 4 battery module with dual-balancing mechanism. First, the employed battery management can accurately capture some important parameters of the LiFePO 4 battery module, including voltage, current, temperature, and providing protection function...

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Bibliographic Details
Main Authors: Chang-Hua Lin, Hsuan-Yi Chao, Chien-Ming Wang, Min-Hsuan Hung
Format: Conference Proceeding
Language:English
Subjects:
Batteries
battery balance
battery management system
Battery management systems
BMS
Equivalent circuits
Inductors
LiFePO 4 battery
Monitoring
Temperature measurement
Temperature sensors
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Summary:This paper presents a battery management system of LiFePO 4 battery module with dual-balancing mechanism. First, the employed battery management can accurately capture some important parameters of the LiFePO 4 battery module, including voltage, current, temperature, and providing protection functions for the battery module. Next, these obtained parameters of the battery are transmitted to the microcontroller through the inter-integrated circuit (I 2 C-bus). And then the microcontroller can control the pack balancing circuit according to the received battery information. The proposed dual-balancing mechanism can avoid battery unbalance so as to increase the utility rate of the battery. Finally, some experimental results are used to verify the feasibility of the complete system.
ISSN:2159-3442
2159-3450
DOI:10.1109/TENCON.2011.6129233