Medical device having lithium-ion battery

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 titanate material comprises a lithium titanate material.

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 first active material comprises at least one of a material of the form LiCoxNi(1−x−y)O2, a material in the form LiNixCoyAlzO2, and a material in the form LiCoxMnyNi(1−x−y)O2.

A device for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a rechargeable battery for providing power to the device, the battery comprising:
• a positive current collector;
• a negative current collector;
• an active material layer provided on the positive current collector, the active material layer comprising a first active material for doping and de-doping lithium ions and a second active material for doping and de-doping lithium ions, the second active material exhibiting charge and discharge capacity below a corrosion potential of the negative current collector, the second active material being lithiated such that it includes electrochemically active lithium;
• and
• a third active material comprising a lithium titanate material provided on the negative current collector for doping and de-doping lithium ions;
• wherein the battery has a capacity between approximately 10 mAh and 1000 mAh.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• is whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery;
• wherein the lithium-ion battery has a capacity between approximately 10 mAh and 1000 mAh.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• wherein the primary active material comprises LiCoO2;
• and
• wherein the current collector of the negative electrode comprises titanium;
• whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• wherein the primary active material comprises LiCoO2;
• and
• wherein the secondary active material comprises a lithiated form of V6O13;
• whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• is wherein the primary active material comprises LiCoO2;
• and
• wherein the secondary active material comprises a lithiated form of LiMn2O4;
• whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• is wherein the primary active material comprises LiCoO2;
• and
• wherein the secondary active material comprises a material selected from the group consisting of lithiated forms of V2O5, Li5Ti4O12, LixVO2, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, LiMxMn(2−x)O4, and combinations thereof;
• whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery.

A system for providing at least one of a therapeutic treatment and a diagnostic function to a patient comprising:

• a lithium-ion battery configured to provide power to the system and being capable of being charged and discharged, the lithium-ion battery comprising:
• a negative electrode having a current collector comprising copper and an active material comprising a titanate material provided thereon;
• and
• a positive electrode comprising a current collector comprising aluminum having a primary active material and a secondary active material provided on at least one side thereof, the secondary active material comprising a lithiated form of a material configured to provide charging and discharging capacity for the positive electrode below a corrosion potential of the negative current collector and above a decomposition potential of the primary active material;
• and
• a polymeric separator provided intermediate the positive electrode and the negative electrode;
• whereby the lithium-ion battery may be discharged to near-zero-voltage conditions without degradation to the cyclable capacity of the battery.

A method of treating a medical condition of a patient comprising:

• providing at least a portion of a medical device in contact with the patient;
• and
• providing power to the medical device from a battery such that the medical device provides a therapeutic treatment to the patient;
• wherein the battery comprises:
• a positive electrode comprising a positive current collector, a first active material, and a second active material;
• and
• a negative electrode comprising a negative current collector and a third active material, the third active material comprising a lithium 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 negative current collector and above a decomposition potential of the first active material;
• wherein the battery has a capacity between approximately 10 mAh and 1000 mAh.

A method of treating a medical condition of a patient comprising:

• providing at least a portion of a medical device in contact with the patient;
• and
• providing power to the medical device from a battery such that the medical device provides a therapeutic treatment to the patient;
• wherein the battery comprises:
• a positive electrode comprising a positive current collector, a first active material, and a second active material;
• and
• a negative electrode comprising a negative current collector and a third active material, the third active material comprising a lithium 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 negative current collector and above a decomposition potential of the first active material;
• and
• wherein the first active material comprises a material selected from the group consisting of a material of the form LiCoxNi(1−x)O2, a material of the form LiNixCoyAlzO2, and combinations thereof.