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CURRENT COLLECTOR FOR LITHIUM ELECTRODE

  • US 20010008725A1
  • Filed: 04/28/1998
  • Published: 07/19/2001
  • Est. Priority Date: 11/19/1993
  • Status: Active Grant
First Claim
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1. An electrode assembly for an electrochemical cell, comprising:

  • (a) an anode assembly comprising an elongated strip of alkali metal forming an anode and an anode current collector having at least a first connector tab disposed on a first edge thereof, the strip of elongated alkali metal having a first length and a first height, the anode current collector having a second length and a second height;

    (b) a cathode assembly, comprising;

    (1) a cathode current collector having disposed on a second edge thereof at least a second connector tab, the cathode current collector having a third length and a third height; and

    (2) a cathode material bonded to the current collector, the anode and cathode assemblies forming a unidirectional electrode winding having two substantially straight sides, the assemblies having interposed therebetween at least one separator, the first length of the anode current collector being shorter than the second length of the elongated strip of alkali metal.

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