Patent ID: 9431648
Filing Date: 2016-08-30
CPC Classification: H01M,Y02E,Y02P,Y02T,Y10T

Claim Text:
1. Method for filling a battery or accumulator foil pouch with fluid and sealing of said pouch, comprising: a) providing a flexible foil pouch in an interior chamber of which solid components of the battery and/or accumulator are accommodated, wherein the foil pouch is tightly sealed with the exception of a sealable fluid access port, b) situating the foil pouch in a gas-tight sealable chamber and gas-tight sealing of the chamber, c) following step (b), applying a vacuum in the foil bag, d) connecting the fluid access port on the foil pouch to a fluid source reservoir via a connecting tube, forming a tight seal, e) following step (d), completely filling the pouch interior with fluid via the connecting tube and f) hermetically sealing the foil pouch by placing a seam, wherein either g) separating foil and/or connecting tube components that are situated outside the seam.