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: Conference contribution

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
出版ステータスPublished - 2015 1 12
イベント2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014 - Coimbra, Portugal
継続期間: 2014 10 272014 10 30

Other

Other2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014
国/地域Portugal
CityCoimbra
Period14/10/2714/10/30

ASJC Scopus subject areas

  • 自動車工学
  • 機械工学

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