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CYLINDRICAL NICKEL-ZINC CELL WITH NEGATIVE CAN

  • US 20090233159A1
  • Filed: 03/25/2009
  • Published: 09/17/2009
  • Est. Priority Date: 04/26/2005
  • Status: Active Grant
First Claim
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1. A nickel-zinc battery cell, the battery comprising:

  • (a) a can having a bottom and a cylindrical side, said can comprising a first anticorrosive material;

    (b) a negative current collector disk disposed at the bottom of the can and in electrical contact with the can;

    (c) a jelly roll comprising a positive electrode, a negative electrode, and one or more separators in between, said jelly roll is disposed above the negative current collector disk and said negative electrode is in electrical contact with the negative current collector disk;

    (d) a positive current collector disk disposed above of the jelly roll and in electrical contact with the positive electrode;

    (e) a vent assembly disposed on top of the positive current collector disk, said vent assembly is electrically connected with the positive current collector disk and electrically insulated from the can.

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