Water-impermeable degassing film for power storage device
AssigneeDai Nippon Printing Co., Ltd.
InventorMiho SASAKI
Life of this patent
Estimating the term…
Abstract
A water-impermeable degassing film for a power storage device. The water-impermeable degassing film is made to adhere to the exterior material of a power storage device so as to block a communication section provided to the exterior material and is used to discharge gas generated in the interior of the power storage device from the communication section. The water-impermeable degassing film is configured from a laminate having at least a substrate layer and an adhesive layer, and the adhesive layer of the water-impermeable degassing film is made to adhere to the surface of the power storage device.
Claims11
A water-impermeable degassing film which is bonded to a surface of an exterior material of an electrical storage device so as to block a communication portion provided in the exterior material, and is used to discharge gas generated inside the electrical storage device from the communication portion, wherein the water-impermeable degassing film comprises a laminate including at least a base material layer and an adhesive layer, and the adhesive layer of the water-impermeable degassing film is bonded to the surface of the exterior material of the electrical storage device.
A water-impermeable degassing film which is disposed so as to be interposed between weld portions of an exterior material of an electrical storage device, and is used to discharge gas generated inside the electrical storage device, wherein
- the water-impermeable degassing film comprises a laminate including at least a base material layer and an adhesive layer,
- the adhesive layer of the water-impermeable degassing film is bonded to the weld portion of the exterior material, and
- the gas is discharged by passing through the water-impermeable degassing film in a thickness direction thereof.
Dependencies are inferred from the claim text.