An electrochemical cell comprising a cathode material contacted to a perforated current collector having a portion left uncovered and an anode material contacted to an anode current collector is described. A separator sheet segregating the anode from direct contact with the cathode is folded back upon...http://www.google.es/patents/US7875379?utm_source=gb-gplus-sharePatente US7875379 - Electrochemical cell having a pocket separator design
Electrochemical cell having a pocket separator design