Effects of Regenerative Braking on Hybrid Battery Balancing

Few studies have been conducted on the interaction between regenerative braking and cell balancers with dynamic cycling. High transient dynamics can potentially damage the Lithium-ion batteries by charging cells over 5 mV the maximum voltage or current spikes over the allowable current limitations....

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Bibliographic Details
Main Authors: Huynh, Alvin, Samanta, Akash, Williamson, Sheldon
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
battery management system
cell equalizer
cycle life
electric vehicle
Equalizers
Lithium-ion batteries
Power electronics
State of charge
Transport electrification
Vehicle dynamics
Voltage
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Summary:Few studies have been conducted on the interaction between regenerative braking and cell balancers with dynamic cycling. High transient dynamics can potentially damage the Lithium-ion batteries by charging cells over 5 mV the maximum voltage or current spikes over the allowable current limitations. This paper will conduct an analysis of an active balancer dynamics with and without regenerative braking utilizing a reduced vehicle model based on the Ontario Tech racing electric vehicle. The result was 1.5% larger state of charge difference and higher minimum SOC compared to the system without regenerative braking.
ISSN:2470-6647
DOI:10.1109/APEC48139.2024.10509414