Patent application number | Description | Published |
20090140698 | Multi-mode charging system for an electric vehicle - A method and apparatus that allows the end user to optimize the performance of an all-electric or hybrid vehicle and its charging system for a desired mode of operation is provided. The system of the invention includes multiple charging/operational modes from which the user may select. Each charging/operational mode controls the cut-off voltage used during charging and the maintenance temperature of the battery pack. | 06-04-2009 |
20090140700 | Multi-mode charging system for an electric vehicle - A method and apparatus that allows the end user to optimize the performance of an all-electric or hybrid vehicle and its charging system for a desired mode of operation is provided. The system of the invention includes multiple charging/operational modes from which the user may select. Each charging/operational mode controls the cut-off voltage used during charging and the maintenance temperature of the battery pack. | 06-04-2009 |
20090143929 | Multi-mode charging system for an electric vehicle - A method and apparatus that allows the end user to optimize the performance of an all-electric or hybrid vehicle and its charging system for a desired mode of operation is provided. The system of the invention includes multiple charging/operational modes from which the user may select. Each charging/operational mode controls the cut-off voltage used during charging and the maintenance temperature of the battery pack. | 06-04-2009 |
20090167254 | Multi-mode charging system for an electric vehicle - A method and apparatus that allows the end user to optimize the performance of an all-electric or hybrid vehicle and its charging system for a desired mode of operation is provided. The system of the invention includes multiple charging/operational modes from which the user may select. Each charging/operational mode controls the cut-off voltage used during charging and the maintenance temperature of the battery pack. | 07-02-2009 |
20100072954 | Battery charging time optimization system - A system for optimizing battery pack charging is provided. In this system, during charging the coupling of auxiliary systems (e.g., battery cooling systems) to the external power source are delayed so that the battery pack charge rate may be optimized, limited only by the available power. Once surplus power is available, for example as the requirements of the charging system decrease, the auxiliary system or systems may be coupled to the external power source without degrading the performance of the charging system. | 03-25-2010 |
20100134073 | Battery Charging Time Optimization System - A system for optimizing battery pack charging is provided. In this system, during charging the coupling of auxiliary systems (e.g., battery cooling systems) to the external power source are delayed so that the battery pack charge rate may be optimized, limited only by the available power. Once surplus power is available, for example as the requirements of the charging system decrease, the auxiliary system or systems may be coupled to the external power source without degrading the performance of the charging system. | 06-03-2010 |
20100135355 | Battery thermal event detection system using an optical fiber - A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses an optical fiber mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A source of light is optically coupled to the input facet of the optical fiber and a detector optically coupled to the output facet of the optical fiber. Battery health is determined by monitoring the light transmitted through the optical fiber. | 06-03-2010 |
20100136384 | Battery thermal event detection system using an electrical conductor with a thermally interruptible insulator - A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses an insulated conductive member mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A voltage measuring system is coupled to the conductive core of the insulated conductive member, the voltage measuring system outputting a first signal when the temperature corresponding to the battery or batteries is within a prescribed temperature range and a second signal when the temperature exceeds a predetermined temperature that falls outside of the prescribed temperature range. | 06-03-2010 |
20100136387 | Cell cap assembly with recessed terminal and enlarged insulating gasket - A simplified cell design is provided for a battery utilizing the 18650 form-factor, the simplified cell design reducing manufacturing cost, battery weight and the risk of shorting between the battery case and the battery terminal. In the cap assembly of the disclosed battery, the safety vent element, which is recessed relative to the top of the cell case, also serves as the battery terminal. Additionally, the insulating gasket positioned between the cell case and the cap assembly is designed to cover a large portion of the outer surface of the safety vent/battery terminal. | 06-03-2010 |
20100136402 | Sealed battery enclosure - A sealed battery enclosure to extend the life of the batteries contained therein is provided, the sealed battery enclosure significantly reducing contamination from water or other liquids and gases. | 06-03-2010 |
20100136404 | Thermal barrier structure for containing thermal runaway propagation within a battery pack - A battery pack is provided that includes one or more thermal barrier elements, the thermal barrier elements dividing the cells within the battery pack into groups of cells. The thermal barrier elements that separate the cells into groups prevent a thermal runaway event initiated in one group of cells from propagating to the cells within a neighboring group of cells. | 06-03-2010 |
20100136413 | Method and apparatus for the external application of battery pack encapsulant - A method and apparatus for simplifying battery pack encapsulation is provided. The battery pack includes a pair of complementary housing members with each housing member including a plurality of cell contraints into which the ends of corresponding battery cells are inserted during assembly. One or both housing members also include at least one, and preferably a plurality, of raised encapsulant injection ports. The raised encapsulant injection ports are designed to extend above the surface of the respective housing members and beyond the injected encapsulation material, thus ensuring that the ports remain open after encapsulation material injection. | 06-03-2010 |
20100136421 | Cell cap assembly with recessed terminal and enlarged insulating gasket - A simplified cell design is provided for a battery utilizing the 18650 form-factor in which the CID and PTC elements are eliminated, thereby reducing manufacturing cost and battery weight. To reduce the risk of shorting between the battery case and the battery terminal, the battery terminal is recessed relative to the top of the cell case and the insulating gasket positioned between the cell case and the cap assembly is designed to cover a large portion of the outer surface of the terminal element. | 06-03-2010 |
20100136424 | Multi-wall battery for maintaining cell wall integrity during thermal runaway - A battery is provided in which a thermal insulator or other material is interposed between the electrode assembly and the inner surface of the cell casing, the additional layer(s) inhibiting the formation of wall perforations in the battery casing during a thermal runaway event. | 06-03-2010 |
20100138092 | Battery charging time optimization system - A system for optimizing battery pack charging is provided. In this system, during charging the coupling of auxiliary systems (e.g., battery cooling systems) to the external power source are delayed so that the battery pack charge rate may be optimized, limited only by the available power. Once surplus power is available, for example as the requirements of the charging system decrease, the auxiliary system or systems may be coupled to the external power source without degrading the performance of the charging system. | 06-03-2010 |
20100138178 | Battery capacity estimating method and apparatus - A method for accurately estimating battery capacity based on a weighting function is provided. The disclosed system monitors battery current and uses the monitored battery current to calculate the state of charge (SOCbyAh) of the battery. The system also measures the open circuit voltage (OCV) of the battery when the system is at rest, rest being determined by achieving a current of less than a preset current value for a period of time greater than a preset time period. The state of charge of the battery is calculated from the OCV (SOCbyOCV). The weighting function is based on ΔSOCbyAh and ΔSOCbyOCV, where ΔSOCbyAh is equal to SOCbyAh | 06-03-2010 |
20100188043 | System for optimizing battery pack cut-off voltage - A method and apparatus that allows the end user to control the charging system, and in particular the battery pack charging level, of an all-electric or hybrid vehicle based on expected use is provided. | 07-29-2010 |
20100212338 | Battery pack temperature optimization control system - A method and apparatus for limiting the adverse effects of temperature on the electrical energy storage system (ESS) of an electric vehicle after the vehicle has been turned off are provided. In general, whether or not coolant is circulated through a coolant loop coupled to the ESS depends on the difference between the ambient temperature and a preset temperature, the preset temperature typically corresponding to the temperature of the ESS. | 08-26-2010 |
20100212339 | Intelligent temperature control system for extending battery pack life - A method and apparatus for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, are provided. Different battery pack cooling techniques are provided, thus allowing the cooling technique used in a particular instance to be selected not only based on the thermal needs of the battery pack, but also on the thermal capacity and energy requirements of the selected approach. | 08-26-2010 |
20100302051 | Battery thermal event detection system using a thermally interruptible electrical conductor - A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses a conductive member mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A resistance measuring system such as a continuity-tester or an ohmmeter is coupled to the conductive member, the resistance measuring system outputting a first signal when the temperature corresponding to the battery or batteries is within a prescribed temperature range and a second signal when the temperature exceeds a predetermined temperature that falls outside of the prescribed temperature range. | 12-02-2010 |
20100316894 | Integrated battery pressure relief and terminal isolation system - A system for integrating the venting feature of a battery with a means for simultaneously disconnecting the cell from the battery pack, thereby isolating the cell, is provided. The provided battery interconnect system is comprised of a battery, a connector plate for electrically coupling the battery to a battery pack, and an interruptible electrical connector for electrically coupling the connector plate to a battery terminal vent. The vent, defined by scoring on the battery terminal, ruptures when the internal battery pressure exceeds the predefined battery operating range, causing the interruptible electrical connector to break and disrupt electrical continuity between the connector plate and the battery terminal. | 12-16-2010 |
20110014506 | Method and Apparatus for Maintaining Cell Wall Integrity Using a High Yield Strength Outer Sleeve - A method and apparatus is provided in which a pre-formed sleeve or pre-formed secondary can comprised of one or more layers of a high yield strength material is positioned around the pre-formed battery case, the pre-formed sleeve/secondary can inhibiting the flow of hot, pressurized gas from within the battery through perforations formed in the battery casing during a thermal runaway event. | 01-20-2011 |
20110296855 | Thermal Management System with Dual Mode Coolant Loops - A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), and a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel, and a second mode where the two coolant loops operate in series. | 12-08-2011 |
20120021258 | Method of Controlling System Temperature to Extend Battery Pack Life - A method for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, is provided. Different battery pack cooling techniques are provided, thus allowing the cooling technique used in a particular instance to be selected not only based on the thermal needs of the battery pack, but also on the thermal capacity and energy requirements of the selected approach. | 01-26-2012 |
20120030932 | Method of Controlled Cell-Level Fusing Within a Battery Pack - A method is provided that achieves improved battery pack performance, system reliability and system safety while impacting only a small region of the battery pack/battery module, and thus having only a minor impact on battery pack cost, complexity, weight and size. The battery pack/battery module is designed such that the fusible interconnects associated with a single battery, or a specific fusible interconnect associated with a single battery, will be the last interconnect(s) to fuse during a short circuit event. The risk of sustained arcing for the predetermined interconnect(s) is minimized through the use of rapid clearing interconnects. As a result, the risk of damage and excessive heating is also minimized. | 02-09-2012 |
20120034497 | Battery Pack with Cell-Level Fusing - A battery pack, or battery pack module, is provided that achieves improved battery pack performance, system reliability and system safety while impacting only a small region of the battery pack/battery module, and thus having only a minor impact on battery pack cost, complexity, weight and size. The battery pack/battery module is designed such that the fusible interconnects associated with a single battery, or a specific fusible interconnect associated with a single battery, will be the last interconnect(s) to fuse during a short circuit event. The risk of sustained arcing for the predetermined interconnect(s) is minimized through the use of rapid clearing interconnects. As a result, the risk of damage and excessive heating is also minimized. | 02-09-2012 |
20120034501 | Battery Pack Configuration to Reduce Hazards Associated with Internal Short Circuits - A battery pack, or battery pack module, is provided that is configured to respond to a short circuit of moderate current in a manner that minimizes the risk of an initial thermal runaway event propagating throughout the battery pack/battery pack module. In general, the battery pack/battery module allows pre-selection of which cell of the cells comprising the battery pack/battery pack module will be the last cell to respond to the short circuit. As a result, a thermal isolation barrier may be used to separate the preselected cell from the other cells of the battery pack/battery pack module, thereby minimizing the risk of excessive heating and extensive collateral damage. | 02-09-2012 |
20120038314 | Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is only used as required by the state-of-charge (SOC) of the first battery pack or as a result of the user selecting an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. The second battery pack may be used to charge the first battery pack or used in combination with the first battery pack to supply operational power to the electric vehicle. | 02-16-2012 |
20120041624 | Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is only used as required by the state-of-charge (SOC) of the first battery pack or as a result of the user selecting an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. The second battery pack may be used to charge the first battery pack or used in combination with the first battery pack to supply operational power to the electric vehicle. | 02-16-2012 |
20120046815 | Method for Optimizing Battery Pack Temperature - A method for limiting the adverse effects of temperature on the electrical energy storage system (ESS) of an electric vehicle after the vehicle has been turned off is provided. In general, whether or not coolant is circulated through a coolant loop coupled to the ESS depends on the difference between the ambient temperature and a preset temperature, the preset temperature typically corresponding to the temperature of the ESS. | 02-23-2012 |
20120105015 | Battery Pack Overcharge Protection System - An overcharge protection device (OPD) is provided that may be used alone, or in combination with conventional charging protection systems, to protect a battery pack from the occurrence of a potentially damaging overcharging event. The OPD is designed to be coupled to, and interposed between, the terminals of the battery pack. During normal system operation, the OPD has no effect on the operation of the charging system or the battery pack. During an overcharging event, if overcharging is not prevented by another conventional system, the OPD of the invention creates a short across the terminals of the battery pack causing a battery pack fuse designed to provide battery pack short circuit protection to blow, thereby interrupting the current path from the charger to the battery pack and preventing the battery pack from being overcharged. | 05-03-2012 |
20120183815 | Thermal Management System with Dual Mode Coolant Loops - A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel and a second mode where the two coolant loops operate in series, and a coolant reservoir that is coupled to both coolant loops when the two coolant loops are operating in series and only coupled to the drive train coolant loop when the two coolant loops are operating in parallel. | 07-19-2012 |
20120183826 | Apparatus for the External Application of Battery Pack Encapsulant - An apparatus for simplifying battery pack encapsulation is provided. The battery pack includes a pair of complementary housing members with each housing member including a plurality of cell constraints into which the ends of corresponding battery cells are inserted during assembly. One or both housing members also include at least one, and preferably a plurality, of raised encapsulant injection ports. The raised encapsulant injection ports are designed to extend above the surface of the respective housing members and beyond the injected encapsulation material, thus ensuring that the ports remain open after encapsulation material injection. | 07-19-2012 |
20120231306 | Battery Pack Venting System - A thermal management system is provided that minimizes the effects of thermal runaway within a battery pack. The system is comprised of a sealed battery pack enclosure configured to hold a plurality of batteries, where the battery pack enclosure is divided into a plurality of sealed battery pack compartments. The system also includes a plurality of battery venting assemblies, where at least one battery venting assembly is integrated into each of the sealed battery pack compartments, and where each of the battery venting assemblies includes an exhaust port integrated into an outer wall of the battery pack compartment and a valve, the valve being configured to seal the exhaust port under normal operating conditions and to unseal the exhaust port when at least one of the batteries within the battery pack compartment enters into thermal runaway. | 09-13-2012 |
20120266914 | CLEANING FEATURE FOR ELECTRIC CHARGING CONNECTOR - A contamination cleaner for a socket of a charging connector used with a charging station for an electric vehicle wherein the charging connector mates to a charging coupler of the electric vehicle during charging includes a housing mechanically configured generally similarly to the charging coupler enabling the housing to mechanically mate to the charging connector; and a cleaning contact, coupled to the housing and complementary to the socket, for engaging the socket and removing surface contaminants from the socket whenever the housing mechanically mates to the charging connector. | 10-25-2012 |
20120270080 | Integrated Battery Pressure Relief and Terminal Isolation System - A system for integrating the venting feature of a battery with a means for simultaneously disconnecting the cell from the battery pack, thereby isolating the cell, is provided. The provided battery interconnect system is comprised of a battery, a connector plate for electrically coupling the battery to a battery pack, and an interruptible electrical connector for electrically coupling the connector plate to a battery terminal vent. The venting region, defined by scoring on the battery terminal, ruptures when the internal battery pressure exceeds the predefined battery operating range, causing the interruptible electrical connector to break and disrupt electrical continuity between the connector plate and the battery terminal. | 10-25-2012 |
20120308857 | Method and Apparatus for Maintaining Cell Wall Integrity Using a High Yield Strength Outer Casing - A method and apparatus is provided in which a pre-formed secondary can comprised of one or more layers of a high yield strength material is positioned around the pre-formed battery case, the pre-formed secondary can inhibiting the flow of hot, pressurized gas from within the battery through perforations formed in the battery casing during a thermal runaway event. | 12-06-2012 |
20130015814 | Charge Disruption Monitoring and Notification SystemAANM Kelty; Kurt RussellAACI Palo AltoAAST CAAACO USAAGP Kelty; Kurt Russell Palo Alto CA USAANM Kohn; Scott IraAACI Redwood CityAAST CAAACO USAAGP Kohn; Scott Ira Redwood City CA US - A system and method for notifying a designated party when an electric vehicle charging operation is unexpectedly disrupted is provided. The system monitors the connection between the electric vehicle and the external battery pack charging source, issues a command to a notification system to send a notification message to the designated party when an interruption is detected, and then issues the notification message in accordance with a set of notification instructions. The notification instructions may include one or more criteria for determining whether the disruption is authorized, thus not requiring the transmittal of the notification message. Criteria for accepting the change in battery pack charging status as authorized includes user/device proximity to the vehicle, achievement of a target battery pack SOC, and location of the vehicle within a safe zone. | 01-17-2013 |
20130059181 | Battery Cap Assembly with High Efficiency Vent - A battery cell design is disclosed that provides a predictable pathway through a portion of the cell (e.g., the cell cap assembly) for the efficient release of the thermal energy that occurs during thermal runaway, thereby reducing the chances of a rupture in an undesirable location. Furthermore the disclosed design maintains the functionality of the cell cap as the positive terminal of the cell, thereby having minimal impact on the manufacturability of the cell as well as its use in a variety of applications. | 03-07-2013 |
20130066504 | Dual Mode Range Extended Electric Vehicle - A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a first level and until the battery state of charge reaches a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a third level and until the battery state of charge reaches a fourth level, where the fourth level is higher than the third level, and where both the third and fourth levels are lower than both the first and second levels. | 03-14-2013 |
20130066505 | Dual Mode Range Extended Electric Vehicle - A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit cycles an engine/generator system on/off between a first level and a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit cycles the engine/generator system on/off between a third level and a fourth level. After the fourth state of charge has been reached once, the state of charge circuit cycles the engine/generator system on/off between a fifth level and the fourth level, where the fifth level is higher than the third level and lower than the fourth level, and where the fourth level is lower than both the first and second levels. | 03-14-2013 |
20130066506 | Dual Mode Range Extended Electric Vehicle - A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a first level and until the battery state of charge reaches a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a third level and until the battery state of charge reaches the second level, where the third level is lower than both the first and second levels. | 03-14-2013 |
20130074411 | Fuel Coupler with Wireless Port Door Unlatching Actuator - A fuel delivery system and method of use are provided that may be used to open the door covering the charge port of an electric vehicle, or the door covering the fuel filler port of a conventional vehicle. The system includes a fuel coupler (e.g., a charging connector or a gas nozzle) designed to transfer fuel from the source to the vehicle via the vehicle's fuel port. The fuel coupler includes a switch that when toggled, causes a control signal to be wirelessly transmitted over a short distance. Upon receipt of the control signal by a receiver integrated into a vehicle that is in close proximity to the fuel port, an unlatching actuator within the vehicle unlatches the port door, thereby allowing it to open and provide port access. | 03-28-2013 |
20130074985 | Vehicle Port Door with Wirelessly Actuated Unlatching Assembly - A port door unlatching system is provided that may be used to open the door covering the charge port of an electric vehicle, or the door covering the fuel filler port of a conventional vehicle. The system includes a fuel delivery subsystem with a fuel coupler (e.g., a charging connector or a gas nozzle) designed to transfer fuel from the source to the vehicle via the vehicle's fuel port. The fuel coupler includes a switch that when toggled, causes a control signal to be wirelessly transmitted over a short distance. Upon receipt of the control signal by a receiver integrated into a vehicle that is in close proximity to the fuel port, an unlatching actuator within the vehicle unlatches the port door, thereby allowing it to open and provide port access. | 03-28-2013 |
20130179012 | DETECTION OF OVER-CURRENT IN A BATTERY PACK - A controller identifies a condition of a hazardous internal short by comparing patterns of series element voltages to the last known balance condition of the series elements. If the loaded or resting voltage of one or more contiguous series elements uniformly drop from the previously known condition by an amount consistent with an over-current condition, an over-current internal short circuit fault is registered. The desired response is to prevent the affected series elements from heating to a hazardous temperature by summoning the maximum heat rejection capability of the system until the short ceases and the affected elements cool, the cooling function is no longer able to operate due to low voltage, or the affected series string has drained all of its energy through the short. Also includes are responses that allow the battery pack to continue to power the cooling system even though it may enter an over-discharged state. | 07-11-2013 |
20130181511 | Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is used when the user selects an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. | 07-18-2013 |
20130187591 | Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is only used as required by the state-of-charge (SOC) of the first battery pack or as a result of the user selecting an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. The second battery pack may be used to charge the first battery pack or used in combination with the first battery pack to supply operational power to the electric vehicle. | 07-25-2013 |
20130221916 | Electric Vehicle Battery Lifetime Optimization Operational Mode - A multi-mode operating system for an electric vehicle is provided, the system including means for a user to select a preferred mode of operation from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates. | 08-29-2013 |
20130221928 | Electric Vehicle Battery Lifetime Optimization Operational Mode - A method of setting the operational mode of an electric vehicle is provided, where the operational mode is selected from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to within any of a plurality of temperature ranges, and a charging system for charging the vehicle's battery pack to any of a plurality of minimum and maximum SOC levels and at any of a plurality of charging rates. | 08-29-2013 |
20140152258 | STEADY STATE DETECTION OF AN EXCEPTIONAL CHARGE EVENT IN A SERIES CONNECTED BATTERY ELEMENT - A system and method for identifying and responding to exceptional charge events of series-connected energy storage elements. | 06-05-2014 |
20140152259 | RESPONSE TO DETECTION OF AN OVERCHARGE EVENT IN A SERIES CONNECTED BATTERY ELEMENT - A system and method for identifying and responding to exceptional charge events of series-connected energy storage elements. | 06-05-2014 |
20140152260 | RESPONSE TO DETECTION OF AN OVERDISCHARGE EVENT IN A SERIES CONNECTED BATTERY ELEMENT - A system and method for identifying and responding to exceptional charge events of series-connected energy storage elements. | 06-05-2014 |