Proceedings of the 2018 2nd International Conference on Electrical Engineering and Automation (ICEEA 2018)

A State-of-Charge Based Active EV Battery Balancing Method

Authors
Feng Chen, Jun Yuan, Chaojun Zheng, Canbo Wang, Zhan Li, Xunwei Zhou
Corresponding Author
Feng Chen
Available Online March 2018.
DOI
https://doi.org/10.2991/iceea-18.2018.16How to use a DOI?
Keywords
active battery balancing; buck/boost converter; EV; state-of-charge (SOC)
Abstract
Focusing on the problem of serial cell imbalance in lithium-ion batteries applied in electric vehicles (EVs), this paper presents an active battery balancing method based on state-of-charge (SOC). The basic principle of the proposed balancing method is aligning battery cell SOCs to 50% and making sure all the cells are charged and discharges equally, so that good performance in improving capacity and anti-aging can be achieved. In this method, bidirectional Buck/Boost converters are implemented as the balancing nodes (BNs), and constitute a decentralized structure. Each individual BN and its control is independent, which makes the design modular, simple and flexible. The experimental results show the good performance of the proposed method in improving battery capacity and extending cycle life.
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This is an open access article distributed under the CC BY-NC license.

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Proceedings
2018 2nd International Conference on Electrical Engineering and Automation (ICEEA 2018)
Part of series
Advances in Engineering Research
Publication Date
March 2018
ISBN
978-94-6252-497-2
ISSN
2352-5401
DOI
https://doi.org/10.2991/iceea-18.2018.16How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Feng Chen
AU  - Jun Yuan
AU  - Chaojun Zheng
AU  - Canbo Wang
AU  - Zhan Li
AU  - Xunwei Zhou
PY  - 2018/03
DA  - 2018/03
TI  - A State-of-Charge Based Active EV Battery Balancing Method
BT  - 2018 2nd International Conference on Electrical Engineering and Automation (ICEEA 2018)
PB  - Atlantis Press
SN  - 2352-5401
UR  - https://doi.org/10.2991/iceea-18.2018.16
DO  - https://doi.org/10.2991/iceea-18.2018.16
ID  - Chen2018/03
ER  -