Title:
電池モジュール
Document Type and Number:
Japanese Patent JP6855770
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a battery module which can satisfactorily exhibit a battery performance regardless of a use state.SOLUTION: A battery module 1 comprises: an arranged body 2; and a restraining member 3 serving to apply a binding load to the arranged body 2 in an array direction D. The minimum load applied to the arranged body 2 by the restraining member 3 is set to a value equal to or larger than a load determined by addition of a battery cell-required load calculated based on the relation of a striction amount and a load for battery cells 11 and an additional load calculated based on a decrease ΔLa of the length La of the arranged body 2. The battery cell-required load is a load required for obtaining a striction amount enough to eliminate a clearance between electrodes of the battery cells 11 and between an electrode assembly 13 and a case 12 when assembling the restraining member 3 to the arranged body 2. The decrease is an amount of the maximum decrease from the length La at the time of assembling the restraining member 3 to the arranged body 2 in the case that the battery module 1 is used under a predetermined use condition.SELECTED DRAWING: Figure 8
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Inventors:
Naoto Morisaku
Ueda Hiroo
Ueda Hiroo
Application Number:
JP2016236695A
Publication Date:
April 07, 2021
Filing Date:
December 06, 2016
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
H01M50/20; H01M10/04; H01M10/0585
Domestic Patent References:
| JP2016039023A | ||||
| JP2016058159A | ||||
| JP2001229897A | ||||
| JP2008277042A | ||||
| JP2003036830A | ||||
| JP2016085895A | ||||
| JP2016039022A | ||||
| JP2009238606A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Atsushi Umekage
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Atsushi Umekage