Battery pack
Grant
US12580259B2
Kind: B2
Mar 17, 2026
Assignee
PANASONIC ENERGY CO., LTD.
Inventors
Manabu Tada, Takeshi Hashimoto, Ryusuke Tsujiguchi
Abstract
A battery pack includes a plurality of batteries each including a discharge valve that opens when an internal pressure becomes higher than a set pressure, and case housing batteries. Case has an integrated structure of plastic resin case and metal plate, resin case has heat radiation opening closed by metal plate, and metal plate has a plurality of smoke discharge holes in closed region where heat radiation opening of resin case is closed.
CPC Classifications
H01M 50/394
H01M 50/231
H01M 50/278
H01M 50/227
H01M 50/276
H01M 50/298
H01M 50/28
H01M 50/213
Filing Date
2020-03-19
Application No.
17439468
Claims
17