Title:
FILM TYPE BATTERY
Document Type and Number:
Japanese Patent JP2022100451
Kind Code:
A
Abstract:
To provide a film type battery capable of stably cleaving a film outer body and releasing the internal pressure when the internal pressure of the film outer body rises to a predetermined value.SOLUTION: A film type battery 100 according to the present invention includes a film exterior 10, an electrode body 20 housed inside the film exterior 10, a plate-shaped terminal 32 having one end extended to the outside of the film exterior 10, a seal portion 18 provided on the edge of the film exterior 10 on the side where at least the terminal 32 is extended, and a sealant film 40 integrated into the terminal 32 and welded to the film exterior 10 at the seal portion 18. The sealant film 40 includes a notch 42 formed such that the width of the terminal 32 of the seal portion 18 in the extending direction is narrower than that of the other portions.SELECTED DRAWING: Figure 1
Inventors:
NAKAJIMA SATOSHI
Application Number:
JP2020214426A
Publication Date:
July 06, 2022
Filing Date:
December 24, 2020
Export Citation:
Assignee:
PRIME PLANET ENERGY & SOLUTIONS INC
International Classes:
H01M50/342; H01M10/0585; H01M50/183; H01M50/543; H01M50/572
Domestic Patent References:
| JP2020509549A | 2020-03-26 | |||
| JP2015511060A | 2015-04-13 | |||
| JP2006310308A | 2006-11-09 | |||
| JP2016004731A | 2016-01-12 | |||
| JP2008251410A | 2008-10-16 | |||
| JP2015510240A | 2015-04-02 |
Foreign References:
| US20080311469A1 | 2008-12-18 |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Amano Koji
Michiko Oi
Hiroaki Yamane
Amano Koji