Patent application number | Description | Published |
20090035662 | NEGATIVE-LIMITED LITHIUM-ION BATTERY - A rechargeable lithium-ion battery includes a positive electrode that includes a first current collector and a first active material. The battery also includes an electrolyte and a negative electrode that includes a second current collector and a second active material, where the second active material includes a lithium titanate material. The positive electrode has a first capacity and the negative electrode has a second capacity, the second capacity being less than the first capacity such that the rechargeable lithium-ion battery is negative-limited. | 02-05-2009 |
20090208845 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode that has a current collector and a first active material and a negative electrode that has a current collector, a second active material, and a third active material. The second active material includes a lithium titanate material and the third active material is a material that can be one or more of the following: LiMn | 08-20-2009 |
20090274849 | FORMATION PROCESS FOR LITHIUM-ION BATTERIES - A method for producing a battery includes providing a battery having a positive electrode, a negative electrode, and an electrolyte that includes a solvent and a salt. The capacity of the negative electrode is less than that of the positive electrode and the negative electrode includes an active material having an average potential versus a lithium reference electrode of greater than approximately 0.2 volts. The method also includes applying an initial charge to the battery at a voltage that is greater than a fully charged voltage of the battery for a sufficient amount of time to cause at least a portion of the solvent to undergo a reduction reaction. The step of applying an initial charge to the battery acts to increase the irreversible capacity loss of the battery during the initial charge and provides the battery with enhanced tolerance to deep discharge conditions. | 11-05-2009 |
20090286151 | Lithium-ion battery - A lithium-ion battery includes a positive electrode having an active material and a polymeric separator configured to allow electrolyte and lithium ions to flow between a first side of the separator and an opposite second side of the separator. The battery also includes a liquid electrolyte having a lithium salt dissolved in at least one non-aqueous solvent and a negative electrode having a lithium titanate active material. The positive electrode has a first capacity and the negative electrode has a second capacity that is less than the first capacity. | 11-19-2009 |
20090286158 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode that includes a positive current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode comprising a negative current collector, a third active material, and a quantity of lithium in electrical contact with the negative current collector. The first active material, second active material, and third active materials are configured to allow doping and undoping of lithium ions, and 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. | 11-19-2009 |
20090292327 | IMPLANTABLE MEDICAL DEVICE WITH ANTI-INFECTION AGENT - An implantable medical device comprises an anti-infection agent. The implantable medical device may be configured for placement in the head of a patient and for monitoring or treatment of the brain. The implantable medical device may have a housing or it may have a housing and a member for providing a smooth interface between the device and the adjacent tissue. The anti-infection agent may be provided on or impregnated in the housing or the member. In some embodiments, the device includes a single module while in other embodiments a plurality of modules are coupled to provide a smaller profile. In some embodiments the implantable medical device may include both anti-infection and lubricious materials. | 11-26-2009 |
20100009245 | LITHIUM-ION BATTERY - A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third 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. | 01-14-2010 |
20100015528 | LITHIUM-ION BATTERY - A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third 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. | 01-21-2010 |
20100076523 | METHOD OF PREVENTING OVER-DISCHARGE OF BATTERY - A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collector and a second active material, and an auxiliary electrode including a current collector and a third active material. The auxiliary electrode is configured for selective electrical connection to one of the positive electrode and the negative electrode. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third 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. | 03-25-2010 |
20100145183 | IMPLANTABLE MEDICAL DEVICE - An implantable medical device includes a housing and a circuit board provided within the housing. The circuit board includes a plurality of electronic components electrically coupled thereto. At least one non-functional component is provided on the circuit board and formed from a material that has an electromagnetic permeability configured to reduce the amount of image distortion caused by at least one of the plurality of electronic components when the device is subject to a magnetic field during an MRI scan. | 06-10-2010 |
20100239908 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode comprising a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material is selected from the group consisting of Li | 09-23-2010 |
20100279155 | LITHIUM-ION BATTERY WITH ELECTROLYTE ADDITIVE - A rechargeable lithium-ion battery includes a positive electrode and a negative electrode that includes a lithium titanate active material. A separator is provided between the positive electrode and the negative electrode. The battery also includes an electrolyte and an electrolyte additive comprising at least one boroxine ring. | 11-04-2010 |
20100316898 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode having a first active material and a second active material and a negative electrode including a third active material. The second active material includes a lithiated form of a material that does not include electrochemically cyclable lithium in the as-provided state. | 12-16-2010 |
20110133699 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode, a negative electrode, and a battery case. The positive electrode includes a positive current collector, a first material of the form Li | 06-09-2011 |
20110183210 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material comprises V | 07-28-2011 |
20110281148 | NEGATIVE-LIMITED LITHIUM-ION BATTERY - A rechargeable lithium-ion battery includes a positive electrode having a first capacity and a negative electrode having a second capacity that is less than the first capacity such that the battery has a negative-limited design. The negative electrode includes a lithium titanate active material. A liquid electrolyte that includes a lithium salt dissolved in at least one non-aqueous solvent a porous polymeric separator are located between the positive electrode and negative electrode. The separator is configured to allow lithium ions to flow through the separator. | 11-17-2011 |
20120003531 | LITHIUM-ION BATTERY - A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material comprises a sulfide. The third 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. | 01-05-2012 |
20120209352 | IMPLANTABLE MEDICAL DEVICE - An implantable medical device includes a housing having a coating selectively provided on only a portion of the housing and a plurality of electronic components provided within an interior space defined by the housing. A first of the electronic components is a charging or telemetry coil and a second of the electronic components is a circuit board. The coating is provided on the housing in a first region near a component of the circuit board and is not provided on the housing in a second region near the charging or telemetry coil. The coating has a magnetic permeability suitable to and is provided in an amount effective to reduce MRI image distortion caused by the component of the circuit board. | 08-16-2012 |
20130164584 | NEGATIVE-LIMITED LITHIUM-ION BATTERY - A rechargeable lithium-ion battery includes a housing including a titanium or a titanium alloy, a positive electrode having a first capacity and at least one positive active material selected from the group consisting of LiCoO | 06-27-2013 |
20130196214 | MEDICAL DEVICE BATTERY ENCLOSURE - In one example, the disclosure is directed to a medical device comprising an outer housing and a battery within the outer housing, where the battery is configured to supply power to one or more electronic components of the medical device. The battery comprises a first electrode, a second electrode, an electrolyte, and a multilayer battery enclosure. The multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure. | 08-01-2013 |
20130278226 | SENSING TEMPERATURE WITHIN MEDICAL DEVICES - Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. The temperature of an external charging device and/or an implantable medical device may be monitored to control the temperature exposure to patient tissue. In one example, a temperature sensor may sense a temperature of a portion of a device, wherein the portion is non-thermally coupled to the temperature sensor. A processor may then control charging of the rechargeable power source based on the sensed temperature. | 10-24-2013 |
20140058292 | ULTRASOUND DIAGNOSTIC AND THERAPY MANAGEMENT SYSTEM AND ASSOCIATED METHOD - A system for use in managing a neuromodulation therapy includes an ultrasound transducer array controlled by a control unit to deliver ultrasound waveforms for causing modulation of neural tissue in a patient. The system acquires data indicating a response to the modulation, analyzes the acquired data to determine correlation data between a response to the modulation and an ultrasound control parameter, and reports the correlation data to enable identification of at least one therapy parameter to be used to deliver a neuromodulation therapy to the patient by a therapy delivery system. | 02-27-2014 |
20140100640 | IMPLANTABLE MEDICAL DEVICE - An implantable medical device includes a housing formed of a first material and a first electronic component provided within the housing. The implantable medical device also includes a second material provided in contact with at least a portion of the housing. At least one of the housing and the first electronic component has a magnetic permeability in a magnetic field that differs from the magnetic permeability of water. The second material is provided in an amount effective to reduce MRI image distortion caused by the implantable medical device. | 04-10-2014 |
20140163579 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - A medical device system for delivering a neuromodulation therapy includes a delivery tool for deploying an implantable medical device at a neuromodulation therapy site. The implantable medical device includes a housing, an electronic circuit within the housing, and an electrical lead comprising a lead body extending between a proximal end coupled to the housing and a distal end extending away from the housing and at least one electrode carried by the lead body. The delivery tool includes a first cavity for receiving the housing and a second cavity for receiving the lead. The first cavity and the second cavity are in direct communication for receiving and deploying the housing and the lead coupled to the housing concomitantly as a single unit. | 06-12-2014 |
20140163580 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - A neuromodulation therapy is delivered via at least one electrode implanted subcutaneously and superficially to a fascia layer superficial to a nerve of a patient. In one example, an implantable medical device is deployed along a superficial surface of a deep fascia tissue layer superficial to a nerve of a patient. Electrical stimulation energy is delivered to the nerve through the deep fascia tissue layer via implantable medical device electrodes. | 06-12-2014 |
20140163644 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - An external medical device generates a drive signal inductively coupled to an implantable coil from an external coil. A regulator module coupled to the implantable coil generates an output signal in response to the inductively coupled signal and a feedback signal correlated to an amplitude of the inductively coupled signal. A signal generator receives the output signal for generating a therapeutic electrical stimulation signal. The control module adjusts the drive signal in response to the feedback signal to control the electrical stimulation signal. | 06-12-2014 |
20140163646 | MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEM - An implantable medical device (IMD) has a housing enclosing an electronic circuit. The housing includes a first housing portion, a second housing portion and a joint coupling the first housing portion to the second housing portion. A polymer enclosure member surrounds the joint and circumscribes the housing in various embodiments. Other embodiments of an IMD housing are disclosed. | 06-12-2014 |