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Rechargeable battery

  • US 9,287,549 B2
  • Filed: 05/31/2012
  • Issued: 03/15/2016
  • Est. Priority Date: 10/05/2011
  • Status: Active Grant
First Claim
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1. A rechargeable battery, comprising:

  • an electrode assembly;

    a case in which the electrode assembly is installed, the case including an opening;

    a cap plate coupled to the opening of the case;

    an electrode terminal provided on the cap plate; and

    an external insulator receiving the electrode terminal from an external side of the cap plate,wherein the electrode terminal includes;

    a first plate terminal electrically connected to the electrode assembly,a second plate terminal overlying and separated from the first plate terminal,a fuse portion between and connecting the first plate terminal and the second plate terminal, anda rivet terminal connecting the electrode assembly to the first plate terminal, and wherein the external insulator includes;

    a first insulator member including first and second parallel plates, and a sidewall connecting the first and second parallel plates, the first parallel plate supporting the first plate terminal in an insulated manner, the second parallel plate supporting the second plate terminal in an insulated manner, the second parallel plate being between and separating the first and second plate terminals, and the sidewall surrounding at least one side of the first and second plate terminals, anda second insulator member coupled to the first insulator member and surrounding at least one other side of the first and second plate terminals opposite the sidewall of the first insulator member, the fuse portion being between and directly contacting the second insulator member and the second parallel plate of the first insulator member.

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