Title:
BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2017/057207
Kind Code:
A1
Abstract:
According to the present invention, in a battery pack including a plurality of secondary batteries, fatigue failure or plastic deformation of spacer members disposed adjacent to the individual secondary batteries is suppressed. Provided is a battery back 100 in which flat, rectangular secondary batteries 1 are stacked in a thickness direction (X-axis direction) alternately with spacer members 2. The spacer members 2 are disposed individually on one side and the other side of each of the secondary batteries 1 in a width direction (Y-axis direction). The spacer members 2 each have a first part 21 facing a portion of a wider side face 10w, lying along the width direction, of each secondary battery 1, and a second part 22 connected to the first part 21 and facing at least a portion of a narrower side face 10n, lying along the thickness direction, of each secondary battery 1.
Inventors:
OJIMA KAZUNORI (JP)
AOKI SADAYUKI (JP)
AOKI SADAYUKI (JP)
Application Number:
PCT/JP2016/078137
Publication Date:
April 06, 2017
Filing Date:
September 26, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
H01M50/209; H01M50/242; H01M50/249; H01M50/291; H01M50/466
Domestic Patent References:
WO2014203694A1 | 2014-12-24 | |||
WO2012147331A1 | 2012-11-01 |
Foreign References:
JP2012009310A | 2012-01-12 | |||
JP2013191397A | 2013-09-26 | |||
JP2014112546A | 2014-06-19 | |||
JP2010003691A | 2010-01-07 | |||
JP2015149281A | 2015-08-20 | |||
JPH11162422A | 1999-06-18 | |||
JP2011151013A | 2011-08-04 | |||
JP2008124033A | 2008-05-29 | |||
JP2013178894A | 2013-09-09 | |||
JP2013225377A | 2013-10-31 | |||
US20150287968A1 | 2015-10-08 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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