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Lithium ion battery module having a compartmentalized housing

  • US 9,774,020 B2
  • Filed: 02/19/2016
  • Issued: 09/26/2017
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
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1. A lithium-ion battery module comprising:

  • a housing having a plurality of compartments within the housing;

    a plurality of lithium-ion cell elements, one of the lithium-ion cell elements being provided in each of the compartments of the housing; and

    a cover coupled to the housing, wherein the cover is configured to seal each of the compartments of the housing; and

    a permeability barrier configured to block water from reaching the plurality of lithium-ion cell elements, wherein the permeability barrier comprises a plurality of metal foil pouches, wherein each metal foil pouch is disposed about a respective lithium-ion cell element, and wherein each metal foil pouch comprises an open end.

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