×

Medical device having lithium-ion battery

  • US 7,337,010 B2
  • Filed: 10/29/2004
  • Issued: 02/26/2008
  • Est. Priority Date: 10/29/2004
  • Status: Active Grant
First Claim
Patent Images

1. A medical device comprising:

  • a rechargeable lithium-ion battery for providing power to the medical device, the lithium-ion battery comprising;

    a positive electrode comprising a current collector, a first active material, and a second active material; and

    a negative electrode comprising a current collector and a third active material, the third active material comprising a titanate material;

    wherein the first active material, second active material, and third active materials are configured to allow doping and undoping of lithium ions; and

    wherein the second active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material;

    wherein the battery has a capacity between approximately 10 mAh and 1000 mAh.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×