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Lithium ion battery module having a compartmentalized housing

  • US 10,573,861 B2
  • Filed: 09/25/2017
  • Issued: 02/25/2020
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
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1. A lithium-ion battery module, comprising:

  • an electrically insulative housing having an integral single-piece construction that includes a plurality of integral partitions which form a plurality of compartments within the electrically insulative housing;

    a plurality of cylindrical lithium-ion cell elements corresponding in number to the plurality of compartments and disposed within the plurality of compartments, wherein each compartment of the plurality of compartments includes one cylindrical lithium-ion cell element of the plurality of cylindrical lithium-ion cell elements disposed therein;

    a cover disposed over the plurality of cylindrical lithium-ion cell elements and against an upper edge or surface of the electrically insulative housing such that a shared space is formed underneath the cover and above the plurality of integral partitions, wherein the shared space is in fluid communication with each compartment of the plurality of compartments; and

    comprising at least one bur bar extending into the shared space and coupling cylindrical lithium-ion elements of the plurality of cylindrical lithium-ion cell elements.

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