US Patent No. 9,227,269

METHOD FOR PRODUCING AN ENERGY CELL AND APPARATUS FOR CARRYING OUT SAME


Patent No. 9,227,269
Issue Date January 05, 2016 
Title Method For Producing An Energy Cell And Apparatus For Carrying Out Same
Inventorship Christof Kobler, Stuttgart (DE)
Reiner Ramsayer, Rutesheim (DE)
Andreas Netz, Ludwigsburg (DE)
Jens Koenig, Markgroeningen (DE)
Assignee Robert Bosch GmbH, Stuttgart (DE)

Claim of US Patent No. 9,227,269

1. A method for producing an energy cell, the method comprising:
arranging a plurality of films of an energy cell one above or on top of another in a stack at a processing location; and
cutting the plurality of films in one operation, wherein the cutting of the films is carried out by a laser beam, and wherein
the laser beam is guided in a liquid,

wherein the energy cell is an energy storage cell or a battery, and the films are battery films, wherein the liquid comprises
an electrolyte of the battery.