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Structure and method for removing battery cell heat

  • US 8,563,159 B2
  • Filed: 08/04/2010
  • Issued: 10/22/2013
  • Est. Priority Date: 08/04/2010
  • Status: Expired due to Fees
First Claim
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1. A battery comprising:

  • a battery housing having a wall made from a thermal conductive metal material comprising a heat sink for the battery;

    a first prismatic cell having a first positive terminal and a first negative terminal located within the battery housing;

    a second prismatic cell having a second positive terminal and a second negative terminal adjacent the first cell within the battery housing;

    a terminal strap electrically coupling the first positive terminal to the second negative terminal for transmitting electricity between the cells when the cells are under load; and

    a wall link extending from the terminal strap thermo-mechanically connecting the coupled terminals to the wall for heat sinking, the wall link comprising a first portion connected to the terminal strap and a second portion connected between the first portion and the wall, wherein the second portion has an electrical conductivity at least 106 times less than the first portion to electrically isolate the first portion from the wall.

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