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Method of making a laminated lithium-ion rechargeable battery cell

  • US 5,470,357 A
  • Filed: 04/26/1995
  • Issued: 11/28/1995
  • Est. Priority Date: 03/05/1993
  • Status: Expired due to Term
First Claim
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1. A method of making a rechargeable battery structure which comprises arranging contiguously a positive current collector element, a positive electrode element, a separator element, a negative electrode element, and a negative current collector elementcharacterized in thata) each of said electrode and separator elements comprises a flexible, polymeric matrix film composition,b) each of said collector elements comprises a flexible electrically-conductive foil which has been surface treated with a polymeric material compatible with the matrix composition of its contiguous electrode, andc) said method further comprises bonding each said element to contiguous elements at its respective interfaces by the application of heat and pressure to form a unitary flexible laminate structure.

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