Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery

Yasuhiro Ueeda; Koichiro Taniguchi; Shoichi Inami; Genki Kaneko; Toshio Hirota; Wei Hsiang Yang; Yushi Kamiya; Yasuhiro Daisho

doi:10.1109/VPPC.2014.7007118

Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery

Yasuhiro Ueeda, Koichiro Taniguchi, Shoichi Inami, Genki Kaneko, Toshio Hirota, Wei Hsiang Yang, Yushi Kamiya, Yasuhiro Daisho

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Various studies were conducted from the aspects of both the battery cells and the module with the aim of making more effective use of the battery capacity. As a result, after 77 cycles of driving and rapid charging, the capacity degradation of the battery module as a whole was 7.7 % and it was determined that the cause of this additional 0.7 % degradation of the capacity was the loss of cell balance. In addition, by adopting module balance coefficient (945;) that was proposed as an indicator to show the available percentage of the lowest capacity cell in the module, new cell balancing rules were created that do not significantly affect the convenience of vehicle operation.

Original language	English
Title of host publication	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479967834
DOIs	https://doi.org/10.1109/VPPC.2014.7007118
Publication status	Published - 2014
Event	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014 - Coimbra, Portugal Duration: 2014 Oct 27 → 2014 Oct 30

Publication series

Name	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014

Other

Other	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014
Country/Territory	Portugal
City	Coimbra
Period	14/10/27 → 14/10/30

Keywords

BEV (battery electric vehicle)
Cell balance algorithm
Lithium battery

ASJC Scopus subject areas

Automotive Engineering
Mechanical Engineering

Access to Document

10.1109/VPPC.2014.7007118

Cite this

Ueeda, Y., Taniguchi, K., Inami, S., Kaneko, G., Hirota, T., Yang, W. H., Kamiya, Y., & Daisho, Y. (2014). Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery. In 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014 Article 7007118 (2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VPPC.2014.7007118

Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery. / Ueeda, Yasuhiro; Taniguchi, Koichiro; Inami, Shoichi et al.
2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. 7007118 (2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ueeda, Y, Taniguchi, K, Inami, S, Kaneko, G, Hirota, T, Yang, WH , Kamiya, Y & Daisho, Y 2014, Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery. in 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014., 7007118, 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014, Institute of Electrical and Electronics Engineers Inc., 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014, Coimbra, Portugal, 14/10/27. https://doi.org/10.1109/VPPC.2014.7007118

Ueeda Y, Taniguchi K, Inami S, Kaneko G, Hirota T, Yang WH et al. Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery. In 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014. Institute of Electrical and Electronics Engineers Inc. 2014. 7007118. (2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014). doi: 10.1109/VPPC.2014.7007118

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abstract = "Various studies were conducted from the aspects of both the battery cells and the module with the aim of making more effective use of the battery capacity. As a result, after 77 cycles of driving and rapid charging, the capacity degradation of the battery module as a whole was 7.7 % and it was determined that the cause of this additional 0.7 % degradation of the capacity was the loss of cell balance. In addition, by adopting module balance coefficient (945;) that was proposed as an indicator to show the available percentage of the lowest capacity cell in the module, new cell balancing rules were created that do not significantly affect the convenience of vehicle operation.",

keywords = "BEV (battery electric vehicle), Cell balance algorithm, Lithium battery",

author = "Yasuhiro Ueeda and Koichiro Taniguchi and Shoichi Inami and Genki Kaneko and Toshio Hirota and Yang, {Wei Hsiang} and Yushi Kamiya and Yasuhiro Daisho",

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AU - Ueeda, Yasuhiro

AU - Taniguchi, Koichiro

AU - Inami, Shoichi

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AU - Hirota, Toshio

AU - Yang, Wei Hsiang

AU - Kamiya, Yushi

AU - Daisho, Yasuhiro

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AB - Various studies were conducted from the aspects of both the battery cells and the module with the aim of making more effective use of the battery capacity. As a result, after 77 cycles of driving and rapid charging, the capacity degradation of the battery module as a whole was 7.7 % and it was determined that the cause of this additional 0.7 % degradation of the capacity was the loss of cell balance. In addition, by adopting module balance coefficient (945;) that was proposed as an indicator to show the available percentage of the lowest capacity cell in the module, new cell balancing rules were created that do not significantly affect the convenience of vehicle operation.

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Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery

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Keywords

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