Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2018092726
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a power storage device capable of breaking a pressure relief valve when inner pressure of a case reaches a release pressure and lowering the inner pressure of the case.SOLUTION: A secondary battery 10 includes a case 11. The case 11 includes a rectangular bottom wall 14b, a pair of long side walls 14c that stand from the long side edges of a pair of the bottom wall 14b, a short side wall 14d that stands from one short side edge of the bottom wall 14b, and a top plate 14e that faces the bottom wall 14b and is connected to the pair of long side walls 14c and the short side wall 14d, and an opening 14a is provided on the other short side edge of the bottom wall 14b. A pressure relief valve 23 is located on the short side wall 14d of the case 11.SELECTED DRAWING: Figure 1
Inventors:
KURITA MIKIYA
AKIYAMA YASUNARI
AKIYAMA YASUNARI
Application Number:
JP2016232937A
Publication Date:
June 14, 2018
Filing Date:
November 30, 2016
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M2/12; H01G9/12; H01G11/14; H01G11/78; H01M2/02; H01M2/04; H01M2/06; H01M2/26; H01M2/30
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda