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Battery cell assembly

  • US 10,249,920 B2
  • Filed: 05/26/2015
  • Issued: 04/02/2019
  • Est. Priority Date: 05/26/2015
  • Status: Active Grant
First Claim
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1. A battery cell assembly, comprising:

  • a pouch battery cell having an external pouch housing and first and second electrical terminals extending from the external pouch housing;

    the external pouch housing having a central housing pouch portion and a peripheral lip member extending around a periphery of the central housing pouch portion;

    the peripheral lip member having a first peripheral lip pouch portion with a first extension pouch portion, a first arcuate-shaped pouch portion, and a first end pouch portion;

    the first extension pouch portion extending outwardly from the central housing pouch portion in a first direction, the first arcuate-shaped pouch portion being coupled to and between the first extension pouch portion and the first end pouch portion; and

    a first tube contacting the first extension pouch portion and the first arcuate-shaped pouch portion of the peripheral lip member of the external pouch housing, the first arcuate-shaped pouch portion being wrapped around a portion of a periphery of a first tube portion of the first tube, the first end pouch portion of the peripheral lip pouch portion of the peripheral lip member having a weld interface with a top surface of the first extension pouch portion such that the first peripheral lip pouch portion extends 360 degrees to define and enclose a first interior space that is sized and shaped to receive the first tube portion of the first tube therein, and the first tube portion of the first tube being disposed within the first interior space; and

    wherein the external housing is constructed of a sheet, the sheet being formed by laminating a polymer film on a metal sheet made of aluminum.

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