Battery tab and packaging frame design

  • US 9,224,516 B2
  • Filed: 05/15/2009
  • Issued: 12/29/2015
  • Est. Priority Date: 07/22/2004
  • Status: Active Grant
First Claim
Patent Images

1. A battery comprising:

  • a battery cell;

    a first current collector tab and a second current collector tab each having a first portion in contact with the battery cell and a distal end extending from the battery cell;

    a lower packaging material disposed below the battery cell and having an outer portion that extends beyond a periphery of the battery cell; and

    an upper packaging material disposed above the battery cell wherein the upper and lower packaging materials provide a pouch for the battery cell;

    wherein the outer portion of the lower packaging material supports at least a portion of each of the first and second current collector tab;

    wherein a tab support frame comprising a polymeric film and one or more sealant layers is interposed between the first and second current collector tabs and the outer portion of the lower packaging material;

    wherein the upper packaging material has an outer edge that dose not extend to the distal end of the first and second cuttent collector tabs; and

    wherein the polymeric film of the tab support frame does not extend between the battery cell and the lower packaging material.

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