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Electrical battery assembly and method of manufacture

  • US 7,070,881 B2
  • Filed: 08/15/2002
  • Issued: 07/04/2006
  • Est. Priority Date: 10/18/2001
  • Status: Active Grant
First Claim
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1. An electrical storage battery comprising:

  • a case defining an internal volume therein;

    a spiral sandwich member disposed inside the internal volume of the case, the spiral sandwich member including;

    a positive electrode member;

    a negative electrode member;

    a separator member physically separating the positive and negative electrode members from one another,an electrolyte; and

    a central support member;

    wherein the positive electrode, the negative electrode, and the separator are disposed in a spiral configuration around the central support member;

    wherein one electrode of the positive and negative electrodes is electrically connected to the central support member and further including a battery terminal coupled to the central support member by a flexible projecting member attached to or integral with the central support member, the flexible projecting member including a tab extending from an arm.

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