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

研究成果

抄録

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.

本文言語	English
ホスト出版物のタイトル	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014
出版社	Institute of Electrical and Electronics Engineers Inc.
ISBN（印刷版）	9781479967834
DOI	https://doi.org/10.1109/VPPC.2014.7007118
出版ステータス	Published - 2015 1月 12
イベント	2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014 - Coimbra, Portugal 継続期間: 2014 10月 27 → 2014 10月 30

Other

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

ASJC Scopus subject areas

自動車工学
機械工学

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10.1109/VPPC.2014.7007118

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Ueeda, Y., Taniguchi, K., Inami, S., Kaneko, G., Hirota, T., Yang, W. H., Kamiya, Y., & Daisho, Y. (2015). 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] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VPPC.2014.7007118

Ueeda, Y, Taniguchi, K, Inami, S, Kaneko, G, Hirota, T, Yang, WH , Kamiya, Y & Daisho, Y 2015, 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, 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

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title = "Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery",

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

AU - Kaneko, Genki

AU - Hirota, Toshio

AU - Yang, Wei hsiang

AU - Kamiya, Yushi

AU - Daisho, Yasuhiro

PY - 2015/1/12

Y1 - 2015/1/12

N2 - 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.

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.

KW - BEV (battery electric vehicle)

KW - Cell balance algorithm

KW - Lithium battery

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

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