| Entries |
| Document | Title | Date |
|---|
| 20080197813 | METHOD FOR QUICK-CHARGING NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND ELECTRIC EQUIPMENT USING THE SAME - A non-aqueous electrolytic secondary battery which includes a heat-resistant layer formed by a porous protective film or the like having a resin binder and an inorganic oxide filler between its negative electrode and a positive electrode has such a characteristic that the higher the battery's temperature becomes, the smaller its internal resistance value becomes. In a CC-CV charging method as a general method for charging a secondary battery, using such a characteristic that the internal resistance value of the non-aqueous electrolytic secondary battery lowers as the battery's temperature rises, a VC-charge range where a charge is given using an optimum charging-current value at a maximum level up to which the battery's temperature does not reach an excessive temperature even if a charging current flows is provided within a CC-charge range. | 08-21-2008 |
| 20080231236 | Battery Charger Operable for Selective One of a Plurality of Power Supplies - A battery charger is configured to use selective one of two or more power supplies including a commercial AC power supply and a DC power supply. An AC cable is fixedly secured to the body of the battery charger and a DC cable is detachably connected to the body of the battery charger. A single transformer is employed that has a first primary winding to which the AC power supply is connected a first switching element, a second primary winding to which the DC power supply is connected via a second switching element, and a secondary winding to which a battery pack to be charged is coupled. | 09-25-2008 |
| 20080246441 | BATTERY PACK PROTECTION CIRCUIT AND BATTERY PACK - A battery pack includes a first switching element which shuts off a discharging current flowing to a battery cell and a second switching element which shuts off a charging current. A positive temperature coefficient thermistor is inserted between a gate control terminal of a protective control circuit and a gate of at least one of the switching elements, and a resistor is connected between the gate and a source of the switching element. The positive temperature coefficient thermistor is thermally connected to one or more of the first and second switching elements and/or to the battery cell. Thus, an abnormally overheated state of one or more of the switching elements or the battery cell leads to an increase in the resistance of the positive temperature coefficient thermistor causing shut-off of the switching element thereby protecting the battery pack. | 10-09-2008 |
| 20080272742 | Method and apparatus for acquiring battery temperature measurements using stereographic or single sensor thermal imaging - A method and apparatus for acquiring battery temperature measurements using stereographic thermal imaging sensors or a simple single thermal imaging sensor which can detect increases in battery heat within the field of view of any single thermal sensor, or any combination of a plurality of thermal imaging sensors is presented. Infrared Detection (ID) using the thermal imaging sensor (pyrometer) is used to focus on certain parts of a housing thereby providing an ability to “see through” or “partially see through” the battery housing to battery cells enclosed by the battery housing. Advantageously, this affords the unique capability of measuring the battery temperature before heat propagates from an individual battery cell or a plurality of battery cells to the battery housing, allowing faster heat gradient detection. Moreover, universality of battery temperature monitoring is achieved by elimination of proprietary communication between the manufacturer of the battery and the charger. | 11-06-2008 |
| 20080284379 | BATTERY CHARGER AND METHOD - [Problem to be Solved] To efficiently charge a battery via a charger at a higher possible charging current that is within the range where no trouble due to the temperature occurs in the charger. | 11-20-2008 |
| 20090015208 | RESET MECHANISM FOR A BATTERY PACK - A battery pack may include a plurality of battery cells; a discharge switch in series with the battery cells, a temperature sensor configured to sense temperature in the battery pack, and a battery control unit adapted to receive a signal indicative of temperature from the temperature sensor and operable to control the switch to interrupt current flow from the battery cells when the temperature exceeds an over-temperature threshold. The battery control unit may be adapted to receive a reset signal and operable to control the switch to restore current flow upon receipt of the reset signal and when the temperature is below an operating temperature threshold. | 01-15-2009 |
| 20090033291 | BATTERY CHARGER - A charging signal Vi responding to a charging current is inputted to one input terminal (−) of an operational amplifier | 02-05-2009 |
| 20090072795 | TEMPERATURE SENSING DEVICE IN AN INTEGRATED CIRCUIT - A temperature sensing device can be embedded in a memory circuit in order to sense the temperature of the memory circuit. One oscillator generates a temperature variable signal that increases frequency as the temperature of the oscillator increases and decreases frequency when the temperature of the oscillator decreases. A temperature invariant oscillator generates a fixed width signal that is controlled by an oscillator read logic and indicates a temperature sense cycle. An n-bit counter is clocked by the temperature variable signal while the fixed width signal enables/inhibits the counter. The faster the counter counts, the larger the count value at the end of the sense cycle indicated by the fixed width signal. A larger count value indicates a warmer temperature. A smaller count value indicates a colder temperature. | 03-19-2009 |
| 20090085527 | SURFACE TEMPERATURE DEPENDENT BATTERY CELL CHARGING SYSTEM - A charging system capable of charging a battery cell so that the surface temperature of the battery cell does not exceed an upper temperature limit, is provided. A battery charger is configured in a manner such that a setting current is variable during charging. The battery charger starts charging of a secondary battery with a setting voltage set to a minimum charging current value. The surface temperature of the secondary battery is measured during charging. An estimated temperature value is calculated which is a surface temperature of the secondary battery, at which the secondary battery is charged up until a charging amount corresponding to the maximum surface temperature under assumption that the charging is performed with a present charging current value. The setting current is increased when the estimated temperature value is lower than the target temperature range and is reduced when the estimated temperature value is higher than the target temperature range. When the estimated temperature value belongs to the target temperature range, a present setting current is maintained. | 04-02-2009 |
| 20090108812 | Contact module for rechargeable battery, mobile electronic device having the same contact module and method of preventing rechargeable battery from exploding using the same contact module - A mobile electronic device having a contact module and a method of preventing a rechargeable battery from exploding using a contact module. The contact module includes a contact module body disposed inside a mobile electronic device; a plurality of contact terminals elastically fitted to the contact module body to be electrically connected to contact terminals of the rechargeable battery; and a temperature sensor module disposed on one side of the contact module to detect a temperature of the rechargeable battery. The contact module is embodied by setting contact terminals and a temperature sensor module into one unitary module, and can correctly measure the temperature of the rechargeable battery to effectively prevent the rechargeable battery from exploding when the battery is being charged. | 04-30-2009 |
| 20090167251 | CHARGER PROTECTION DEVICE - A charger protection device ( | 07-02-2009 |
| 20090174368 | METHOD FOR BATTERY CHARGING MANAGEMENT - A method for managing the charge of a battery comprising at least one rechargeable electrochemical cell is provided, in which the charging circuit applies a trickle charge current to said battery and, when the temperature of the battery is below a first threshold temperature, an overcharge current for keeping the battery within its nominal temperature range even if the battery is employed in a cold environment. An electronic system for a battery implementing the method and a battery employing such system are also disclosed | 07-09-2009 |
| 20090174369 | Battery Management System - A battery management system which can output a battery state enabling optimum charge and discharge control to be performed even when a temperature variation occurs among individual single cells. A plurality of temperature sensors measure temperature values of a battery. A measurement unit measures a voltage and a current of the battery. A maximum/minimum temperature selection unit in a calculation unit determines a maximum temperature and a minimum temperature from the temperature values measured by the temperature sensors. An available power calculation unit calculates respective values of maximum available charge and discharge powers or maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature based on the voltage and the current of the battery. A selection unit selects and outputs smaller maximum available charge and discharge powers or smaller maximum available charge and discharge currents from the respective values of the maximum available charge and discharge powers or the maximum available charge and discharge currents of the battery corresponding to the maximum temperature and the minimum temperature, which are calculated by the calculation unit. | 07-09-2009 |
| 20090195215 | CHARGING APAPRATUS AND CHARGING METHOD - A charging apparatus is provided and is configured to accept temperature information corresponding to a temperature of a secondary battery or a battery pack, supply a charging current to the secondary battery or the battery pack when the temperature is within a set charge temperature range, and interrupt the charging current when the temperature is beyond the set charge temperature range. | 08-06-2009 |
| 20090195216 | METHOD AND SYSTEM FOR PROTECTION OF A LITHIUM-BASED MULTICELL BATTERY PACK INCLUDING A HEAT SINK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by the housing and operable to control a function of the battery pack, and a heat sink in heat transfer relationship with the circuit and operable to dissipate heat from the circuit. | 08-06-2009 |
| 20090206797 | Methods and Apparatus for Dynamically Charging Batteries for an Information Handling System - The disclosure provides a method for charging a battery in an information handling system. The method includes prompting a user to select from a plurality of charging modes for the battery, wherein the charging modes comprise a first mode, a second mode, or a third mode. The method further includes charging the battery in the first mode when the first mode is selected, wherein a charge voltage and a charge current are constant In the first mode, and charging the battery dynamically when the second mode or the third mode is selected, wherein the charge current changes dynamically based on a battery temperature. | 08-20-2009 |
| 20090206798 | POWER SOURCE WITH TEMPERATURE SENSING - A modular and scalable power source can be used to supplement and/or replace existing sources of power. In some embodiments, a DC source can be used to charge a battery in a host system, provide power as a back-up system, or be a primary source of power. The power source includes a set of battery units and one or more circuits that provide an alternative signal path around the battery units if the battery units are at a particular charge level. Temperature sensors are used to turn off or otherwise adjust the alternative signal paths if the temperatures of the alternative signal paths become too high. | 08-20-2009 |
| 20090206799 | Power Supply System for a Portable Electronic Device and Related Device and Method - A power supply system for a portable electronic device includes a rechargeable battery capable of being coupled to the portable electronic device by insertion for providing operating power for the portable electronic device, a storage device installed in the rechargeable battery, and a recharging device installed in the portable electronic device for charging the rechargeable battery and storing corresponding usage status data into the storage device when the rechargeable battery is coupled to the portable electronic device. | 08-20-2009 |
| 20090243548 | Method For Detecting Cell State-Of-Charge and State-Of-Discharge Divergence Of A Series String of Batteries Or Capacitors - A system for charging a battery includes a battery pack having at least two lithium ion cells. A controller detects a rate of change of voltage with respect to a state of charge (dV/dSOC) of the battery pack based on a calculated dV/dSOC that represents the battery pack as a whole, without calculating dV/dSOC individually on a cell-by-cell basis. Charging is terminated when dV/dSOC reaches a predetermined value. | 10-01-2009 |
| 20090251107 | Charging apparatus and recording medium - A charging apparatus includes: a connecting unit; a charging unit; a temperature detecting unit; and an operation inhibiting unit. The connecting unit is electrically connected to a power supply portion installed inside a vehicle. The charging unit supplies at least a part of electric power supplied from the power supply portion via the connecting unit to a battery thereby to charge the battery. The operation inhibiting unit inhibits operation of a battery circuit provided in the battery when an ambient temperature detected by the temperature detecting unit has reached a preassigned designated temperature. | 10-08-2009 |
| 20090267570 | Apparatus for providing boot-up capability signals and associated methods - An apparatus for providing a boot-up capability signal for a portable electronic device, the apparatus configured to determine an amount of charge provided to a battery of the device by a charging process, based around one or more powering events, in order to provide for the boot-up capability signal. | 10-29-2009 |
| 20090278503 | THIN-FILM BATTERY EQUIPMENT - In one aspect, a method of making an apparatus includes forming a thin-film battery; affixing a device to the thin-film battery while the thin-film battery is in a substantially discharged state; and subjecting the thin-film battery to a high temperature that exceeds a temperature rating of the thin film battery before the thin-film battery is charged. | 11-12-2009 |
| 20100072952 | PORTABLE ELECTRONIC APPARATUS - To provide a structure to dissipate heat from an internal heating component efficiently for a miniaturized, thin portable electronic apparatus. The portable electronic apparatus comprises a housing | 03-25-2010 |
| 20100079115 | SYSTEMS AND METHODS FOR ABSORBING WASTE ELECTRICITY FROM REGENERATIVE BRAKING IN HYBRIDIZED VEHICLES - The invention relates to a system for absorbing electric energy from regenerative braking. The system comprises a battery, a thermoelectric module in thermally-conductive contact with the battery, a generator for generating an electric current from regenerative braking, the generator connected to the battery via a first switch and connected to the thermoelectric module via a second switch, and a sensor for measuring a temperature and a charge state of the battery. The system also comprises a controller for activating and deactivating the first switch and the second switch when certain conditions have been met. | 04-01-2010 |
| 20100085018 | SHARED CONTROL OF THERMISTOR AND DUAL PURPOSE THERMISTOR LINE - A battery pack can include a temperature sensor that can provide an output that is indicative of a temperature associated with the battery pack. A battery management unit can directly measure the temperature sensor when the battery pack is by itself or engaged with a tool. A charger can directly read the temperature sensor when the battery pack is engaged with the charger. Thus, the temperature sensor can be shared by the battery pack and the charger. The battery pack can utilize a same terminal that provides access to the temperature sensor to indicate a stop-charge signal. The charger can read the stop-charge signal on the same terminal used to directly access the temperature sensor. | 04-08-2010 |
| 20100090658 | BATTERY CHARGER WITH TEMPERATURE CONTROL - A battery charger integrated circuit with temperature control is disclosed that includes a temperature sensor circuit and a charging current generator circuit. Upon receiving a temperature reading voltage (VDT), the temperature sensing circuit is operable to generate a second reference voltage (VREF) that is a function of the first reference voltage (VREF | 04-15-2010 |
| 20100237832 | CHARGING METHOD AND CHARGING SYSTEM - The present invention relates to a method for electrically charging a plurality of rechargeable battery cells. The battery cells are embodied for a charging with a constant current and an increasing voltage in a first phase and for a charging with a constant voltage and a decreasing current in a second phase following the first phase. In the method, the battery cells are charged sequentially so that only one of the battery cells is charged at a time. The method features the fact that one battery cell is charged in the first phase, the charging of the relevant battery cell in the first phase is interrupted when a predetermined limit voltage is fallen below, and the charging is continued with another battery cell. The invention also relates to a charging system for electrically charging a plurality of rechargeable battery cells. | 09-23-2010 |
| 20100244778 | HIGH EFFICIENCY ADAPTIVE POWER CONVERSION SYSTEM AND METHOD OF OPERATION THEREOF - A power conversion system is disclosed. The system comprises a plurality of power conversion modules and a controller that turns on/off each power conversion module separately based on changing load conditions, and manages to keep each power conversion module running at its peak efficient state. | 09-30-2010 |
| 20100259226 | BATTERY MANAGING DEVICE AND THE METHOD OF USING THE SAME - A battery managing device includes a charger operatively coupled to a battery, and a single chip configured to determine a charging voltage and a charging current of the battery, which correlate to a residual capacitance of the battery. The single chip is configured to control the charger to charge the battery in accordance with the determined charging voltage and charging current. A method of managing battery charging using a single chip and a charger coupled to a battery includes (1) using a single chip to determine a charging voltage and a charging current of the battery, which correlate to a residual capacitance of the battery, and (2) controlling the charger to charge the battery in accordance with the determined charging voltage and charging current. | 10-14-2010 |
| 20100264883 | CHARGE CONTROL CIRCUIT AND BATTERY CHARGER INCLUDING A CHARGE CONTROL CIRCUIT - A charge control circuit for a battery charger that quickly detects an attachment state of a battery pack. The battery charger starts charging a battery pack and performs first and second temperature estimation processes. Then, the battery charger performs a first attachment detection process and when determining whether a battery is connected performs a third temperature estimation process. The battery charger performs a second attachment detection process and when determining whether the battery is connected performs a fourth temperature estimation process. The battery charger performs a third attachment detection process and when determining whether the battery is connected ends a single temperature scan and then repeats the routine starting from the first temperature estimation process. | 10-21-2010 |
| 20100277128 | PORTABLE ELECTRONIC DEVICE HAVING AUTOMATIC LOW TEMPERATURE BATTERY CHARGING CAPABILITY - A controller detects the temperature of a portable electronic device as being below a battery charging threshold, and in response signals one or more of the electronic circuit components that make up the device to enter an increased power consumption state so as to generate more heat in the device for warming up the battery. Other embodiments are also described and claimed. | 11-04-2010 |
| 20100283431 | INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING BATTERY CHARGE - An information processing apparatus according to an embodiment includes: a heat generating body; a temperature sensor configured to detect a temperature of the heat generating body; a battery in the information processing apparatus; an adaptor configured to supply power from an external power source to the battery to charge the battery; and a controller configured to control a charging operation for charging the battery to be performed in one of a rapid charging or a normal charging based on the temperature detected by the temperature sensor and a threshold temperature lower than a rated temperature of the heat generating body while a power of the information processing apparatus is turned off. | 11-11-2010 |
| 20100308773 | BATTERY CHARGER WITH TEMPERATURE CONTROL - A battery charger integrated circuit with temperature control is disclosed that includes a temperature sensor circuit and a charging current generator circuit. Upon receiving a temperature reading voltage (VDT), the temperature sensing circuit is operable to generate a second reference voltage (VREF) that is a function of the first reference voltage (VREF | 12-09-2010 |
| 20110031937 | MOTOR-DRIVEN VEHICLE - In a motor-driven vehicle using power stored in a secondary battery as a source of motive power in which part of vehicle braking is achieved by regenerative braking by generating electrical energy absorbed by charging the secondary battery, the state of charge of the secondary battery is adjusted during charging so that, when charging is completed, the state of charge of the battery will be such that it is still capable of receiving energy generated during regenerative braking. During charging, after the battery has been charged to a target charge level, and battery temperature has subsequently changed, a state where the battery is still capable of receiving energy generated during regenerative braking can be achieved by slightly discharging the battery depending on the temperature of the battery. Such slight discharge of the battery can be obtained by powering an electric heater ( | 02-10-2011 |
| 20110037437 | METHOD FOR MEASURING A TEMPERATURE IN AN ELECTRONIC DEVICE HAVING A BATTERY - A temperature sensing device can be embedded in a memory circuit in order to sense the temperature of the memory circuit. One oscillator generates a temperature variable signal that increases frequency as the temperature of the oscillator increases and decreases frequency when the temperature of the oscillator decreases. A temperature invariant oscillator generates a fixed width signal that is controlled by an oscillator read logic and indicates a temperature sense cycle. An n-bit counter is clocked by the temperature variable signal while the fixed width signal enables/inhibits the counter. The faster the counter counts, the larger the count value at the end of the sense cycle indicated by the fixed width signal. A larger count value indicates a warmer temperature. A smaller count value indicates a colder temperature. | 02-17-2011 |
| 20110050179 | IDLE STOP CONTROL DEVICE AND IDLE STOP CONTROL METHOD - An idle stop control device for determining on the basis of a charging state of a battery whether idle stop should be executed or not includes, as a unit for detecting the charge state of the battery, an optical fiber type battery solution concentration sensor including an optical fiber which is partially immersed in battery solution to measure the refractive index of the battery solution, thereby measuring the concentration of the battery solution. | 03-03-2011 |
| 20110074362 | BATTERY UNIT - A battery unit includes: a case; a circuit board configured to be provided in the case; a battery cell configured to be provided in the case and an endothermic reaction occurs during charging and an exothermic reaction occurs during discharging therein; a heat generating component configured to be provided on the circuit board; and a heat transferring member configured to be thermally connected with the heat generating component and the battery cell, and to transfer heat generated by the heat generating component to the battery cell. | 03-31-2011 |
| 20110115441 | CHARGING CONTROL METHOD, CHARGING CONTROL COMPUTER PROGRAM, CHARGING CONTROL DEVICE, SECONDARY CELL SYSTEM, SECONDARY CELL POWER SUPPLY, AND CELL APPLICATION DEVICE - A charging control method for a non-aqueous electrolyte secondary cell is a charging control method for controlling a state of charge of a non-aqueous electrolyte secondary cell that has a non-aqueous electrolyte between electrodes, a target state of charge serving as a target for stopping charging is preset in correspondence with an ambient temperature of the non-aqueous electrolyte secondary cell, and the target state of charge (e.g., 95%) for when the ambient temperature is a specific temperature (e.g., 25° C. or 20° C. to 30° C.) that has been specified in advance is set higher compared to the target state of charge for a temperature other than the specific temperature. | 05-19-2011 |
| 20110127970 | METHOD OF CHARGING A RECHARGEABLE BATTERY FOR AN ELECTRONIC DEVICE - A method for charging a rechargeable battery set includes steps of obtaining a temperature of the rechargeable battery set, controlling a charging unit to provide a lower charging energy to the rechargeable battery set if the temperature of the rechargeable battery set exceeding a temperature threshold, and controlling the charging unit to provide a normal charging energy to the rechargeable battery set if the temperature of the rechargeable battery set being below the temperature threshold. Therefore, the charging speed of the rechargeable battery set is decelerated and the rechargeable battery set is maintained in an un-full condition in the condition of high temperature and high remainder capacity for preventing the rechargeable battery set from deterioration to extend it's life. | 06-02-2011 |
| 20110234173 | Method of Estimating Battery Recharge Time and Related Device - A smart battery device includes an adapter, a switch electrically connected to the adapter, a battery pack electrically connected the switch, a sense resistor electrically connected to the battery pack and the adapter, an analog preprocessing circuit electrically connected to the battery pack and the sense resistor for digitizing analog signals measured at the battery pack and the sense resistor to form digital signals, and an adaptive control circuit electrically connected to the analog preprocessing circuit for receiving the digital signals, and electrically connected to the switch for selectively turning the switch on or off according to the digital signals. | 09-29-2011 |
| 20110248684 | APPARATUS FOR PREHEATING A BATTERY PACK BEFORE CHARGING - A system for charging a battery pack of an electric vehicle comprises a heater for pre-heating the battery pack so that the battery pack is able to accept a charge from a charger. The battery pack is selectively de-coupled from the system during the pre-heating. When the battery pack has reached an appropriate temperature, the heater is selectively de-coupled from the system and the charger is coupled to the system to charge the battery. Advantageously, the battery pack is protected during pre-heating. | 10-13-2011 |
| 20110279092 | METHOD AND APPARATUS FOR CHARGING A POWER PACK OF A PORTABLE ELECTRONIC DEVICE - A method includes: receiving a temperature indication, the temperature indication being a function of a temperature of a power pack of a portable electronic device; determining, as a function of the temperature indication, whether the temperature is within an elevated operating temperature range; and reducing a charge termination voltage and a charging current when the temperature is within the elevated operating temperature range. | 11-17-2011 |
| 20110285357 | LEAD STORAGE BATTERY CHARGING CONTROL METHOD, CHARGING CONTROL CIRCUIT, POWER SOURCE DEVICE, AND LEAD STORAGE BATTERY - Disclosed is a charging control method including: a full charging step of charging a lead storage battery until the battery is fully charged; a refresh charging step of performing refresh charging of charging the lead storage battery with a predetermined refresh charging quantity of electricity after the lead storage battery has been fully charged; and a refresh charging quantity setting step of setting the refresh charging quantity of electricity in the refresh charging step for the lead storage battery which has been fully charged at a present time, depending on a temperature of the lead storage battery throughout a deficient charging period, the deficient charging period being a period from a time when the lead storage battery has been fully charged at a previous time to a time when the lead storage battery has been fully charged at the present time in the full charging step. | 11-24-2011 |
| 20110285358 | UNIVERSAL POWER TOOL BATTERY PACK COUPLED TO A PORTABLE INTERNAL COMBUSTION ENGINE - A portable internal combustion engine and a charging device that generates AC power are supported on a manually movable frame. A coupling mechanism which can include a starter circuit and starting device, or a charging circuit and charging device, or both device couples a battery receptacle terminal block to the internal combustion engine. The battery receptacle can include various features to permit and retain electrical coupling between a battery pack for a cordless power tool. For example, key protrusions and corresponding recesses can be associating with latching projections. Additionally or alternatively, cooperating rails and recesses may be associated with the battery pack and receptacle, respectively. Spring loaded movable clips or resilient flexing clips can be included to act on the battery pack. An electrical cord may also be used to couple receptacle terminals to the coupling mechanism. | 11-24-2011 |
| 20110291622 | BATTERY SYSTEM AND AUTOMOBILE - Disclosed is a battery system wherein safety of a lithium secondary battery can be enhanced by efficiently deactivating (inactivating) lithium metal deposited on a negative electrode of the lithium secondary battery. Also disclosed is an automobile. Specifically disclosed is a battery system comprising a lithium ion secondary battery and a temperature control unit for controlling the temperature of the lithium ion secondary battery. The temperature control unit performs such a control that the temperature T of the lithium ion secondary battery is maintained within the following range: 55° C.| 12-01-2011 | |
| 20110304303 | PROTECTION STRUCTURE FOR BATTERY CHARGING - A protection structure for battery charging includes a temperature sensing module, a processing module, and a charging control module. The temperature sensing module is configured for sensing the temperature of a battery and outputting electronic signals. The processing module is configured for receiving the electronic signals and outputting a first control signal group. The charging control module is configured for receiving the electronic signals and the first control signal group, comparing the electronic signals and a first reference range and outputting a second control signal group according to the comparison results, further recognizing and comparing the second control signal group with the first control signal group. When the second control signal group and the first control signal group both include a charging signal or a stop-charging signal, the executing module controls the battery to charge or stop the battery from charging according to the first control signal group. | 12-15-2011 |
| 20110316486 | Charge Control System - The charge control system includes at least a battery temperature control device, a cooling device, a heating device, and an integrated control device. The battery control device detects SOC of a battery. Based on the detected SOC, the integrated control device switches between a first charging mode in which the battery is charged at a substantially constant current and a second charging mode in which the battery is charged at a substantially constant voltage. In the second charging mode, the battery temperature control device performs rapid cooling control to control the cooling device such that it has a cooling capacity in the second charging mode higher than a cooling capacity in the first charging mode. Thus, the battery temperature is appropriately controlled to increase a cruising distance even when the electric vehicle is run immediately after completion of charging. | 12-29-2011 |
| 20120025785 | METHOD FOR MANAGING THE HEAT IN AN ELECTRIC BATTERY - The invention relates to a method for managing the heat in an electric battery including a plurality of elements for generating electric power, the method including, when recharging said battery from an external power source, preconditioning said battery at an average temperature T | 02-02-2012 |
| 20120112704 | SYSTEM AND METHOD FOR PULSING THE BLEED OFF RESISTOR WITHIN A BATTERY MANAGEMENT SYSTEM - The present invention relates generally to a method and apparatus for the management of individual cells in a battery system. More particularly, the present invention relates to the control of power and when charging a battery system to yield the most efficient charging solution while maintaining the desired temperature. | 05-10-2012 |
| 20120161718 | ELECTRONIC APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM - There is provided an electronic apparatus that can properly control a power state of an electronic apparatus by using a temperature of a battery pack. The electronic apparatus detects a temperature of a battery pack and a remaining capacity of the battery pack. If the temperature of the battery pack is less than or equal to a predetermined temperature, the electronic apparatus performs process for turning a power state of the electronic apparatus from ON to OFF based on the remaining capacity of the battery pack. | 06-28-2012 |
| 20120161719 | LEAD STORAGE BATTERY CHARGING CONTROL METHOD, CHARGING CONTROL CIRCUIT, POWER SOURCE DEVICE, AND LEAD STORAGE BATTERY - Disclosed is a charging control method including: a full charging step of charging a lead storage battery until the battery is fully charged; a refresh charging step of performing refresh charging of charging the lead storage battery with a predetermined refresh charging quantity of electricity after the lead storage battery has been fully charged; and a refresh charging quantity setting step of setting the refresh charging quantity of electricity in the refresh charging step for the lead storage battery which has been fully charged at a present time, depending on a temperature of the lead storage battery throughout a deficient charging period, the deficient charging period being a period from a time when the lead storage battery has been fully charged at a previous time to a time when the lead storage battery has been fully charged at the present time in the full charging step. | 06-28-2012 |
| 20120169297 | SECONDARY BATTERY WITH A RAPID CHARGING CAPABILITY - The invention relates to a secondary battery, in particular a lithium-ion secondary battery, which has a rapid charging capability. The secondary battery has at least one electrochemical cell and an electrical charge control system, wherein the electrochemical cell has at least two electrodes and at least one separator, wherein the charge control system is designed to monitor the process of charging the secondary battery such that, at least at times, it allows a relative charging current with a charging current value which, in particular, is at least 1 C, and wherein the separator has a coating which is composed of an ion-conducting material which has at least one inorganic component. The invention furthermore relates, in particular, to a lithium-ion secondary battery, to a charge control system for a secondary battery, to an electrochemical cell for a secondary battery, to an arrangement comprising at least one electrode and a separator for an electrochemical cell such as this, and to a method for carrying out a rapid charging process of a secondary battery. | 07-05-2012 |
| 20120181991 | RAPID CHARGING AND POWER MANAGEMENT OF A BATTERY-POWERED FLUID ANALYTE METER - A system and method is described for rapid charging and power management of a battery for a meter. A charger component is operably associated with the meter and is capable of executing a rapid charge algorithm for a rechargeable battery. The algorithm includes monitoring for a connection to an external power source and implementing a charging routine of a battery at a first charge rate and then at a second charge rate. The second charge rate is lower than the first charge rate. A temperature rise in the rechargeable battery due to the first charge rate has a negligible heat transfer effect on the fluid sample. The meter can also include a power switch for controlling current flow to a battery fuel gauge. The power switch is open when the meter enters into a sleep mode. The state of battery charge is determined after the meter exits the sleep mode. | 07-19-2012 |
| 20120274286 | METHOD AND DEVICE FOR IMPROVING THE PERFORMANCE OF ELECTRICALLY POWERED VEHICLES - A method for improving the performance of a traction battery during a driving start phase of an electric vehicle. A driving start point in time at which the driving start phase begins is provided. A temperature of the traction battery is detected. This temperature is compared with a minimum operating temperature, and the traction battery is heated if the comparison reveals that the temperature of the traction battery is below the minimum operating temperature. The heating takes place with a temperature increase which provides a temperature of the traction battery at the driving start point in time, which is no lower than the minimum operating temperature. | 11-01-2012 |
| 20130026998 | SYSTEM AND METHOD FOR RECHARGING ELECTRIC VEHICLE BATTERIES - A method for recharging an electric vehicle having an electric battery for powering a vehicle drive system is provided. The method includes recharging the electric vehicle during a first period at a first electrical power and recharging the electric vehicle during a second period shorter than the first period at a second electrical power higher than the first electrical power. The recharging includes delivering coolant to the electric vehicle to cool the electric battery during the second period. Other methods of recharging an electric vehicle are also provided. | 01-31-2013 |
| 20130076313 | BATTERY CHARGING CONTROL TECHNIQUE FOR VEHICLE - Disclosed is a battery charging technique which prevents a battery from being deteriorated by controlling charging of the battery to a current rate appropriate for the current temperature environment in which the battery is currently charging at the time of charging the battery mounted in the vehicle to improve durability of the battery while at the same time allowing the battery to charge as rapidly as possible to improve the convenience of the vehicle. | 03-28-2013 |
| 20130093399 | METHOD FOR CHARGING A BATTERY BY CURRENT OR TEMPERATURE CONTROL - Method and charging device for charging a battery comprising the steps of introducing a charging current into the battery using a charging device, monitoring a cell temperature of the battery by means of a sensing device, detecting that the cell temperature has reached a given temperature range by comparing the temperature detected to a predefined cell temperature for the battery in a processing unit and instructing a control unit to successively reduce the charging current until the cell temperature reaches a predefined lower limit of the given temperature range. Thereafter, the charging current is maintained at the level at which the predefined lower cell temperature level has been reached. Alternatively, the charging device may use a predefined optimum cell temperature interval to which the current temperature of the cell battery is regulated by regulated the charging current. | 04-18-2013 |
| 20130099757 | METHOD AND APPARATUS FOR CONTROLLING CHARGING IN ELECTRONIC DEVICE - A method for controlling charging in an electronic device for managing the electronic device, to stably charge a battery is provided. The method includes setting alarm such that a wake up signal is generated after a time elapses when entry into a suspend mode is requested during charging a battery or in a charging stop state, entering the suspend mode, waking-up and determining a state of the battery wake up, and turning-on or -off the battery charging according to the determined state of the battery. | 04-25-2013 |
| 20130181683 | Battery Charging Circuit and Reference Signal Generator - The present invention discloses a battery charging circuit adjusting a charging voltage or a charging current according to a battery temperature, which includes: a power stage circuit including at least one power transistor switch and converting input power to charging power by operating the power transistor switch within a temperature range, wherein the charging power includes the charging voltage and the charging current; a reference signal generator obtaining signals representing the battery temperature and generating a reference signal accordingly; and a control circuit generating a switch signal according to the reference signal for operating the power transistor of the power stage circuit, wherein the charging voltage or the charging current is gradually increased as the battery temperature increases in a lower range within the temperature range or gradually decreased as the battery temperature increases in a higher range within the temperature range. | 07-18-2013 |
| 20130200856 | Device and Method for Battery Abnormality Processing - Embodiments in accordance with the present invention provide a battery abnormality processing device for processing abnormalities in a battery pack with multiple battery modules. The battery abnormality processing device includes a detecting unit coupled to the battery modules, a comparison unit coupled to the detecting unit and a processing unit coupled to the comparison unit. The detecting unit detects the temperature at each end of each battery module in the battery pack. The comparison unit determines the abnormalities in the battery pack based on the detected temperatures. The processing unit executes an abnormality handling process if an abnormality is determined. | 08-08-2013 |
| 20130207617 | THERMAL MANAGEMENT SYSTEM FOR A BATTERY SYSTEM - A battery system includes a plurality of electrochemical cells provided within a housing. The battery system also includes a thermal management system configured to provide at least one of heating or cooling to the electrochemical cells. The thermal management system includes a solid state coating having a first metal and a second metal different from the first metal. The solid state coating is configured to pass a current therethrough to create a temperature differential across a first surface of the solid state coating and a second surface of the solid state coating to provide the at least one of heating or cooling to the cells. | 08-15-2013 |
| 20130249499 | PORTABLE ELECTRONIC DEVICE - In a method for operating a portable electronic device a recharge process for recharging a rechargeable energy storage of the portable electronic device is detected. A heater is activated for heating a sensitive layer of a chemical sensor contained in the portable electronic device subject to the detection of the recharge process. | 09-26-2013 |
| 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 |
| 20130285619 | Method and device for controlling charge of battery - A method for controlling charge of a battery includes: when charging a battery, monitoring a temperature of the battery in real time, and acquiring a corresponding dynamic factor according to the temperature of the battery, wherein the dynamic factor is used for characterizing a dynamically regulating component of a charge current coefficient during the charge process; calculating a maximum allowed charge current according to the dynamic factor and preset static factors; and controlling the charge of the battery according to the maximum allowed charge current. This enables adaptive charge management according to application scenarios, which effectively avoids the situation where the charge current of the battery is too high or too low, improves the environmental adaptability of battery charging, and further extends the service life of the battery and saves costs. Also provided is a method for controlling charge of a battery. | 10-31-2013 |
| 20140035535 | CONTACTLESS POWER TRANSMITTING SYSTEM HAVING OVERHEAT PROTECTION FUNCTION AND METHOD THEREOF - Disclosed herein are a contactless power transmitting system having an overheat protection function, which protects a battery cell module from damage due to overheating while the battery cell module is being charged, and a method thereof. In the contactless power transmitting system, a contactless power transmitting apparatus transmits a first power to a contactless power receiving apparatus through a power transmitting coil to charge the battery cell module with the first power, and transmits a second power, of lower wattage than the first power, to the contactless power receiving apparatus through the power transmitting coil to charge the battery cell module with the second power if an overheat alarm signal is received from the contactless power receiving apparatus, thereby making it possible to fully charge the battery cell module while preventing overheating of the battery cell module. | 02-06-2014 |
| 20140070773 | METHOD OF IMPROVING BATTERY RECHARGE EFFICIENCY BY STATISTICAL ANALYSIS - A system and method for using statistical analysis of information obtained during a rechargeable battery charging session, wherein the method is for optimizing one or more parameters that are used for controlling the charging of a rechargeable battery during the charging session. | 03-13-2014 |
| 20140103882 | EMERGENCY SYSTEM FOR POWER FAILURES - An emergency system for power failures includes a single-cell or multiple-cell rechargeable battery selected from the group consisting of NiMH, NiCd, NiZn, Ag | 04-17-2014 |
| 20140197803 | CHARGING APPARATUS - A charging apparatus includes: a charging unit charging a rechargeable battery; a fan to send air to the rechargeable battery; a control unit adapted to activate the fan when a predetermined cooling-execution condition is satisfied after initiation of charging the rechargeable battery by the charging unit and to deactivate the fan when a predetermined maximum cooling period of time is elapsed from completion of charging the rechargeable battery by the charging unit even when the predetermined cooling-execution condition has been satisfied after completion of charging the rechargeable battery by the charging unit; an information obtaining unit configured to obtain cooling-performance information that represents coolability of the rechargeable battery; and a setting unit configured to set the maximum cooling period of time based upon the cooling-performance information obtained by the information obtaining unit. | 07-17-2014 |
| 20140247018 | CHARGE CONTROL APPARATUS AND CHARGE CONTROL METHOD - ECU executes program including the steps of turning on an overcharge tentative determination flag and performing limitation on Win in a case where a rising rate ΔTB is higher than or equal to ΔTB(0), and a current average value IBs is a value on a side of charging, and the steps of turning off the overcharge tentative determination flag and cancelling the limitation on Win in a case where the rising rate ΔTB is lower than or equal to ΔTB(1), or the current average value IBs exhibits a value on a side of discharging, and the steps of determining that a battery is in the overcharging state and executing a fail safe process in a case where the integrated value IBs of current from a time point at which the overcharge tentative determination flag is switched from an off-state to an on-state becomes greater than or equal to IBs(0). | 09-04-2014 |
| 20140253047 | ELECTRONIC DEVICE AND SYSTEM - According to one embodiment, an electronic device includes a battery, a power supply circuit, and a charging circuit. The power supply circuit supplies power to components in the device by using DC power from an AC power supply or DC power from the battery. The charging circuit charges the battery by using the DC power from the AC power supply. The charging circuit includes a charger IC that controls a charging current and a charging voltage which are output from the charging circuit to the battery. The charger IC includes a first input terminal for monitoring a temperature of the AC power supply, and performs control for reducing the charging current when the temperature of the AC power supply exceeds a first temperature during the charging of the battery. | 09-11-2014 |
| 20140266071 | BATTERY PACK AND BATTERY CHARGER - A battery pack includes: a connecting portion connected to a battery charger; a battery chargeable by the battery charger connected to the connecting portion; an environment temperature detecting element detecting an environment temperature around the battery; and a control circuit. The control circuit periodically detects the environment temperature via the environment temperature detecting element and controls the battery charger to suspend starting of charging the battery or to temporarily discontinue charging the battery when a variation of the environment temperature detected exceeds a predetermined range, when the battery charger is connected to the connecting portion. | 09-18-2014 |
| 20140320088 | Rechargeable Battery Systems and Rechargeable Battery System Operational Methods - Rechargeable battery systems and rechargeable battery system operational methods are described. According to one aspect, a rechargeable battery system includes a plurality of rechargeable battery modules coupled between a plurality of terminals, wherein the rechargeable battery modules individually comprise a plurality of rechargeable battery cells and charge balancing circuitry configured to implement, for individual ones of the rechargeable battery modules, first charge balancing operations with respect to the rechargeable battery cells of individual ones of the rechargeable battery modules, and to implement second charge balancing operations with respect to the rechargeable battery modules. | 10-30-2014 |
| 20140333267 | HEATED ACCELERATED BATTERY CHARGING - This document discusses, among other things, a temperature measurement component configured to receive temperature information from a battery, a heater configured to provide heat to the battery, and a controller configured to enable and disable the heater using information from the temperature measurement component to optimize charge efficiency and capacity of the battery. | 11-13-2014 |
| 20140361753 | METHOD FOR MEASURING A TEMPERATURE IN AN ELECTRONIC DEVICE HAVING A BATTERY AND A MEMORY DEVICE - A temperature sensing device can be embedded in a memory module or system in order to sense the temperature of the memory module or system. One oscillator generates a temperature variable signal that increases frequency as the temperature of the oscillator increases and decreases frequency when the temperature of the oscillator decreases. A temperature invariant oscillator generates a fixed width signal that is controlled by an oscillator read logic and indicates a temperature sense cycle. An n-bit counter is clocked by the temperature variable signal while the fixed width signal enables/inhibits the counter. The faster the counter counts, the larger the count value at the end of the sense cycle indicated by the fixed width signal. A larger count value indicates a warmer temperature. A smaller count value indicates a colder temperature. | 12-11-2014 |
| 20140375277 | METHOD FOR CONTROLLING THE TEMPERATURE OF AT LEAST ONE BATTERY ELEMENT, BATTERY AND MOTOR VEHICLE WITH SUCH A BATTERY - A method for controlling the temperature of at least one battery element, a battery, and a motor vehicle that has the battery includes specifying a temperature value, and determining the cool-down behavior of the at least one battery element beginning at a first temperature. A first point in time, at which the battery temperature will have reached or fallen below the temperature value, is determined by evaluating the cool-down behavior. Subsequently, a second point in time for a beginning of the charging or discharging of the at least one battery element is determined. If tmin| 12-25-2014 | |
| 20150061605 | ELECTRIC VEHICLE CHARGING SYSTEM - A charging system of an electric vehicle includes a drive battery storing electric power for driving a motor of the electric vehicle, a heater heating the drive battery, an electric power supply device converting electric power supplied from outside the electric vehicle and supplying the electric power to the drive battery or the heater, a contactor activating or deactivating a connection between the drive battery and the electric power supply device, temperature detector detecting a temperature of the drive battery, and controller controlling the contactor and the heater based on the temperature. The controller controls the contactor so as to deactivate the connection and conducts electricity to the heater when the temperature is less than a first predetermined temperature, and controls the contactor so as to activate the connection when the temperature is the first predetermined temperature or greater. | 03-05-2015 |
| 20150069975 | STAGGERING CHARGING BATTERIES - The invention described herein generally pertains to batteries for a welding operation being managed by various staggering techniques. Particularly, various controllers or methodologies can stagger, rotate, or selectively activate and deactivate welding batteries to manage battery parameters or remain within constraints. For example, battery temperature can be monitored and controlled based on staggered charging or derating. In some embodiments, various controls can be integrated with (or methodologies applied to) batteries used in hybrid welders. | 03-12-2015 |
| 20150306974 | CHARGING STATION PROVIDING THERMAL CONDITIONING OF ELECTRIC VEHICLE DURING CHARGING SESSION - A method of thermally conditioning an energy storage of a vehicle while charging includes: receiving, at a charging station, thermal information about the energy storage; supplying, by the charging station, electric energy to the energy storage in a charging session; and providing, by the charging station and based on the thermal information, thermal conditioning of the energy storage during at least part of the charging session. | 10-29-2015 |
| 20150318589 | Self Heating Heater - The invention relates to a power management system for supplying backup DC power to peak and/or high current demand battery applications, such as motor starting or an uninterruptible power supply (UPS) used to power a critical load, such as, a data bus or other critical load, after an event, such as loss of primary AC or DC input, during relatively cold ambient temperatures. Two or more heaters may be provided; for example, a low power heater and a high power heater. In a maintenance mode, the low power heater is used to maintain the batteries at a predetermined temperature. In this mode, the battery charger is used to power the low power heater. In a boost mode, after the primary AC or DC input is restored, and the battery temperature is too low to back up the critical load, the battery charger supplies power to one or both of the heaters. Since the capacity of the battery charger is normally insufficient to heat the batteries to an acceptable operating temperature in a relatively short period of time, a portion of the residual power from the batteries is used to boost the power to the heaters in order to speed up the time to get the battery to its rated operating temperature. | 11-05-2015 |
| 20150372527 | BATTERY THERMAL ACCELERATION MECHANISM - Devices, systems, and methods for battery supporting, monitoring, and charging are described. In one example, a device includes a temperature measurement device, a controller, coupled to the temperature measuring device, the controller configured to determine an acceleration change in temperature, and a switch, coupled to the controller, configured to disconnect a current associated with the battery when a change in acceleration of temperature is measured. | 12-24-2015 |
| 20160006282 | DEVICES AND METHODS FOR MANAGING CHARGING OF RECHARGEABLE BATTERIES - A battery charger, which can be configured as a charger or docking station ( | 01-07-2016 |
| 20160118842 | IMPLANT CURRENT CONTROLLED BATTERY CHARGING BASED ON TEMPERATURE - A method for wirelessly charging a battery in an implantable medical device including the steps of: providing a receiver in the implantable medical device and providing a temperature sensor in the implantable medical device. The method also includes receiving, via the receiver, a wireless power signal from an external charger and converting the wireless power signal into a battery charge signal including power for recharging the battery. The method yet also includes sensing a temperature of the implantable medical device with the temperature sensor. The method further includes changing a current of the battery charge signal from a first non-zero current to a second non-zero current that is different from the first non-zero current. Changing of the current of the battery charge signal is based on the temperature sensed by the temperature sensor. | 04-28-2016 |
| 20160172878 | METHOD AND APPARATUS FOR CONTROLLING CHARGING IN ELECTRONIC DEVICE | 06-16-2016 |
