Patent application number | Description | Published |
20110163699 | Battery And Ultracapacitor Device And Method of Use - A battery and ultracapacitor device for use in a vehicle includes a positive electrode, a first negative electrode, a second negative electrode, a first separator disposed between the positive electrode and the first and second negative electrodes, and a controller communicating with the positive electrode, the first negative electrode, and the second negative electrode. A first negative electrode has a first composition and communicates with the first positive electrode. The second negative electrode has a second composition and is adjacent to the first negative electrode and a second separator. The second negative electrode communicates with the positive electrode and the first negative electrode. The first negative electrode comprises a secondary battery negative electrode. The second negative electrode comprises an ultracapacitor negative electrode. | 07-07-2011 |
20120179435 | Method For Determining A Power Capability For A Battery - A method for determining a power capability for a battery includes the step of defining at least one equation based on a circuit model for the behavior of the battery. The equation includes a plurality of battery parameters, including a battery current. The value of at least one of the battery parameters is measured, and the battery current is solved-for from the at least one equation. A limiting battery current is defined based at least in part on the battery current. A limiting battery voltage is determined, and the power capability of the battery is determined based on the limiting battery current and the limiting battery voltage. | 07-12-2012 |
20140191446 | METHOD OF FORMING INSULATING ARTICLES WITH REDUCED THICKNESS VARIATION - In one or more embodiment, a method is provided for forming an insulating article from an insulating material having a first thickness, the method including the step of: compressing the insulating material to form a compressed insulating material having a second thickness smaller than the first thickness; and subsequent to the step of compressing, subjecting the compressed insulating material to a vacuum to form the insulating article. | 07-10-2014 |
20140265554 | Dual Lithium-Ion Battery System for Electric Vehicles - A battery system for powering a vehicle is provided. The system may include a first lithium-ion battery pack having a first total energy capacity and a first power to energy ratio (P/E ratio) and a second lithium-ion battery pack connected in parallel with the first lithium-ion battery pack and having a second total energy capacity that is higher than the first total energy capacity and a second P/E ratio that is lower than the first P/E ratio. A method of controlling the battery system is also provided, and may include controlling an operation of a vehicle according to a total power capability of the first and second battery strings, wherein the total power capability is the sum of a first battery string power capability and a second battery string power capability at a same voltage. | 09-18-2014 |
20150198673 | BATTERY TESTING SYSTEM AND METHOD - A battery testing system according to an exemplary aspect of the present disclosure includes, among other things, a penetrating device and an impedance meter electrically connected to the penetrating device. | 07-16-2015 |
20150200427 | BATTERY THERMAL MANAGEMENT SYSTEM FOR ELECTRIFIED VEHICLE - A battery thermal management system according to an exemplary aspect of the present disclosure includes, among other things, a heat spreader, a coolant channel attached to the heat spreader and a supply manifold fluidly connected with the coolant channel and configured to supply a heat transfer medium to the coolant channel. A return manifold is fluidly connected with the coolant channel and configured to expel the heat transfer medium from the coolant channel. | 07-16-2015 |
20160056418 | LI-ION MONOBLOCK BATTERY FOR STOP/START APPLICATIONS - A Li-ion battery module for stop/start vehicle applications is disclosed. The battery module comprises a plurality of unsealed battery cells that are interconnected in series and positioned in a common housing containing an electrolyte that is shared by the battery cells. The electrolyte may have a redox shuttle agent therein. | 02-25-2016 |
20160093927 | BATTERY CAPACITY DEGRADATION RESOLUTION METHODS AND SYSTEMS - A vehicle can include a traction battery and a controller in communication with the battery to determine the battery state using sensed battery electrode capacity to account for battery aging. The sensed battery electrode capacity can be dependent on active lithium ions at a positive electrode of the traction battery. The controller can compare a battery voltage model to measured battery voltage during a vehicle drive cycle, receive sensed current though put data and open circuit voltage at the battery, and determine if a deviation threshold is exceeded. The controller can also correct electrode capacity using a mean of the measured open-circuit voltage to correct the capacity error to less than one amp-hour or initiate an active lithium capacity correction using a variance of the current throughput to correct the capacity error to less than one amp-hour. This information can be used to control the vehicle and battery usage. | 03-31-2016 |