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Title:
BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2019/150774
Kind Code:
A1
Abstract:
Provided is a battery pack in which cascading thermal runaway is avoided while using a plurality of secondary battery cells. The secondary battery cells are arranged in parallel in an inner space of an accommodation case (10) such that cylindrical side surfaces face each other, and are isolated from each other by interposing a long partition plate (30) therebetween. A pair of ribs for holding the long partition plate (30) are formed on an inner surface of the accommodation case (10), and the long partition plate (30) is disposed between the pair of ribs. The long partition plate (30) is held inside the accommodation case (10), and the gap in which the long partition plate (30) is disposed between the pair of ribs is filled with a fire-retardant adhesive (36).

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Inventors:
TADA MANABU
TAKATSUJI YUKI
TSUJIGUCHI RYUSUKE
ONO MICHINOBU
Application Number:
PCT/JP2018/045412
Publication Date:
August 08, 2019
Filing Date:
December 11, 2018
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/613; H01M10/623; H01M10/643; H01M10/653; H01M10/6554; H01M10/658; H01M50/213; H01M50/222; H01M50/289
Foreign References:
JP2015002082A2015-01-05
JP2012033464A2012-02-16
JP2008529237A2008-07-31
JP2007027011A2007-02-01
JP2017068986A2017-04-06
JPH0680260A1994-03-22
JP2014086342A2014-05-12
Other References:
See also references of EP 3748714A4
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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