Patent ID: 6790561
Filing Date: 2004-09-14
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
An electrochemical cell, which comprises:a) a negative electrode; b) a positive electrode; c) an electrolyte activating the negative and the positive electrodes; d) wherein at least one of the negative electrode and the positive electrode comprises a first active material dispersed in a solvent to form a first admixture slurry characterized as having been contacted to at least a first side of a perforated current collector without moving through the perforations to the opposite, second side thereof, and then having the solvent volatilized; and e) wherein the at least one of the negative electrode and the positive electrode is characterized as having a second active material contacted to the second side of the perforated current collector after the first admixture slurry is contacted to the first side thereof.