| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 320129000 | Pulsed discharge | 34 |
| 20090027007 | METHOD AND DEVICE FOR DETERMINING BATTERY DISCHARGE CAPABILITY, AND POWER SUPPLY SYSTEM - Regarding a method for determining battery discharge capability of the present invention, the optimum state vector X is estimated by extended Kalman filter operation. Using the estimated state vector X, element parameters of an equivalent circuit are renewed to the optimum (step S | 01-29-2009 |
| 20100019727 | BATTERY IDENTIFICATION CYCLE - The present invention relates to a method and a device for detecting the operating state of a vehicle battery. A method according to the invention has the following steps: charging of the battery from a first state of charge (SOC | 01-28-2010 |
| 20100201320 | DISCHARGING BATTERIES - Discharging a battery is accomplished by: applying an electrical stimulus to the battery; measuring a response to the electrical stimulus, the measured response providing an indication of discharge efficiency of the battery; determining a target frequency corresponding to a maximum discharge efficiency; and then discharging the battery with a discharge current profile comprising current pulses having a frequency component selected based on the determined target frequency. | 08-12-2010 |
| 20110057618 | DISCHARGE CONTROL DEVICE FOR SECONDARY BATTERY - The object aims to prevent or reduce the deterioration of a secondary battery by charge with an undue pulse. Disclosed is a discharge control device ( | 03-10-2011 |
| 20110254510 | INTERMITTENTLY OUTPUTTED POWER SUPPLY SYSTEM - An intermittently outputted power supply system is disclosed. The system comprises: a power input unit, a charging control circuit unit, an energy-storing unit, a discharging control circuit unit, and a power output unit. The charging control circuit unit receives a first power input through the power input unit, and charges the energy-storing unit continuously. Thus, the capacity of the energy-storing unit increases. The discharging control circuit unit converts the energy stored in the energy-storing unit into a second power and transmitted to the power output unit in such a manner of discharging intermittently, to charge the electric device being connect with the power output unit. | 10-20-2011 |
| 20120025773 | METHOD OF CHARGING BATTERY AND BATTERY CHARGING CONTROL SYSTEM - A controller in a charging control system controls a charger to heat a battery at a low temperature by pulse charging and discharging up to a desired temperature and then moves to a normal charging mode. The controller calculates an ion concentration of an active material at electrode portions of the battery on the basis of the temperature data and the electric current data obtained, switch the pulse charging and discharging between a charging mode and a discharging mode on the basis of a pulse width when the ion concentration reaches a threshold. | 02-02-2012 |
| 20120025774 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025775 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025776 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION - According to some embodiments of the present invention, a battery heating circuit comprises a switch unit | 02-02-2012 |
| 20120025777 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER - According to some embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025778 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER AND VOLTAGE INVERSION - According to certain embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120025779 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY AND COMMON INDUCTANCE - Certain embodiments of the present invention provide a battery heating circuit, wherein: a battery E, a damping component R | 02-02-2012 |
| 20120025780 | HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-02-2012 |
| 20120025781 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND MULTIPLE CHARGE STORAGE COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units ( | 02-02-2012 |
| 20120025782 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGE CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit ( | 02-02-2012 |
| 20120025783 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND CURRENT LIMITING COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
| 20120043939 | CHARGER AND DISCHARGER FOR SECONDARY BATTERY - A charger and discharger for a secondary battery includes a secondary battery coupled to an output stage of the charger and discharger, a first converter circuit including a first pulse voltage generator that outputs a first pulse voltage according to a first duty ratio, and a first inductor that outputs a first current in proportion to a value of an integral of the outputted first pulse voltage with respect to time to a positive electrode terminal of the secondary battery, a second converter circuit including a second pulse voltage generator that outputs a second pulse voltage according to a second duty ratio, and a second inductor that outputs a second current in proportion to a value of an integral of the outputted second pulse voltage with respect to time to a negative electrode terminal of the secondary battery, and first and second controllers controlling the duty ratios of the first and second pulse voltage generators, respectively. | 02-23-2012 |
| 20120126753 | Self Heating Battery System - A battery self heating system for batteries that experience battery impedance or internal battery resistance when temperature drops. The system comprises an energy storage element applied to the battery terminals to draw energy from the battery. The energy is stored in a magnetic or capacitive storage device. The system is self-resonant so that energy transfer from the storage device to the battery will occur at a frequency and load level that is compatible with the current state of the battery. Internal heating of the battery is accomplished by a cycle comprising the out flux and influx of energy through the impedance of the battery. Energy losses due to battery impedance are converted to heat thereby heating the battery internally. | 05-24-2012 |
| 20120161711 | BATTERY HEATING CIRCUITS AND METHODS USING TRANSFORMERS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 06-28-2012 |
| 20120161712 | PROTECTIVE CIRCUIT AND CHARGING DEVICE - A protective circuit includes a smoothing circuit in which a pulse-like charging output permitting signal is input in a normal charging state and the pulse-like charging output permitting signal is not input in an abnormal charging state, and a charging output control element that is controlled so as to permit or stop a charging output with respect to an electric storage device, permits the charging output by an output signal in which the charging output permitting signal is smoothened by the smoothing circuit, and stops the charging output when an abnormal charging state is detected. | 06-28-2012 |
| 20120280659 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGING CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit | 11-08-2012 |
| 20120299551 | BATTERY HEATING CIRCUITS AND METHODS USING TRANSFORMERS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 11-29-2012 |
| 20130009603 | POWER SUPPLY SYSTEM - A power supply system comprises a battery which can be charged/discharged, a charging/discharging apparatus which charges/discharges the battery, and a charging/discharging power limit controller which outputs a charging/discharging power limit control signal obtained by amplifying a deviation between an output voltage command signal of the battery and a detected output voltage signal obtained by detecting an output voltage of the battery, wherein and the charging/discharging apparatus includes a charging/discharging controller which controls of charging/discharging power of the battery based on the charging/discharging power limit control signal. | 01-10-2013 |
| 20130088203 | BATTERY CHARGE MODULATOR WITH BOOST CAPABILITY - A system and method for controlling a converter of a power stage receiving an adapter current for providing current to a load. The converter is operative in a buck mode for charging a battery and in a boost mode for discharging the battery to the load to supplement adapter current. The adapter current is compared with a predetermined level to develop a control signal, and at least one pulse control signal is developed based on the control signal and used to control the modulator. The modulator operates the converter in the buck mode when the adapter current up to the predetermined level, and operates the converter in the boost mode when the adapter current exceeds the predetermined level. The battery current may also be monitored to adjust the control signal to limit battery charge or discharge current in both modes. | 04-11-2013 |
| 20130221926 | SYSTEM AND METHOD FOR BATTERY MANAGEMENT - In accordance with an embodiment, a bi-directional charging circuit has a battery coupling node output configured to be coupled to a battery cell, an input coupled to a common node of the battery management system, and a controller coupled to the bi-directional charging circuit. The controller is configured to operate the bi-directional charging circuit in a charging mode to transfer charge from the common node to the battery coupling node, and operate the bi-directional charging circuit in a discharge mode to transfer change from the battery coupling node to the common node. | 08-29-2013 |
| 20130241494 | IN-SITU BATTERY HEALTH DETECTOR AND END-OF-LIFE INDICATOR - Some embodiments provide a system that monitors a battery in a portable electronic device. During operation, the system applies a pulse load to the battery and determines an impedance of the battery by measuring a voltage of the battery during the pulse load. Next, the system assesses a health of the battery based on the impedance. Finally, the system uses the assessed health to manage use of the battery in the portable electronic device. | 09-19-2013 |
| 20130271084 | CHARGING AND DISCHARGING DEVICE - A charging and discharging device includes a switching circuit, an input of which is connected to a power supply, the switching circuit adjusting an output current IB to a power storing unit connected to an output of the switching circuit, and a control unit configured to generate an ON/OFF signal DGC to the switching circuit. The control unit includes a temperature-rise control unit configured to separately generate, based on a signal BTMP equivalent to the temperature of the power storing unit, a control signal FC for adjusting a ripple component of the output current IB and a control signal OFS for adjusting a non-ripple component of the output current IB and generates the ON/OFF signal DGC based on the control signal FC and the control signal OFS and outputs the ON/OFF signal DGC to the switching circuit. | 10-17-2013 |
| 20140132220 | CIRCUITS AND METHODS FOR DETERMINATION AND CONTROL OF SIGNAL TRANSITION RATES IN ELECTROCHEMICAL CELLS - A charge/discharge input is for respectively supplying charge to, or drawing charge from, an electrochemical cell. A transition modifying circuit is coupled between the charge/discharge input and a terminal of the electrochemical cell and includes at least one of an inductive constituent, a capacitive constituent and a resistive constituent selected to generate an adjusted transition rate on the terminal sufficient to reduce degradation of a charge capacity characteristic of the electrochemical cell. A method determines characteristics of the transition modifying circuit. A degradation characteristic of the electrochemical cell is analyzed relative to a transition rate of the charge/discharge input applied to the electrochemical cell. An adjusted transition rate is determined for a signal to be applied to the electrochemical cell that will reduce the degradation characteristic. At least one of an inductance, a capacitance, and a resistance is selected for the transition modifying circuit to achieve the adjusted transition rate. | 05-15-2014 |
| 20140327406 | METHOD AND APPARATUS FOR CHARGING RECHARGEABLE CELLS - A method for charging rechargeable cells, in particular lithium ion cells. An apparatus for charging such cells. In order to specify a method for charging a lithium-based cell and an apparatus for charging a lithium-based cell, in which the capacitance of the cell is optimally used, the charging time is drastically shortened, the shelf life of the cell is extended and/or it is possible to increase the capacitance of the cell, a method is stated which includes the following steps, pulsed charging of the cell, wherein the charging current I | 11-06-2014 |
| 20150048796 | EXTENDED LIFE BATTERY - Methods and apparatuses are described for use in preserving and/or recovering the lifetime and charge storage capacity of batteries. The methods include pulse charging, energy juggling, energy leveling, all resulting in extended battery life. Methods of storing batteries for maintaining their capacity at their nominal level for extended periods of time are also presented. | 02-19-2015 |
| 20150295421 | ACTIVE ISOLATED CIRCUIT FOR PRECHARGING AND DISCHARGING A HIGH VOLTAGE BUS - An active isolated circuit is provided for precharging and discharging a high voltage bus, such as within a hybrid electric vehicle, in a quick, efficient, and optimal manner. The circuit can include a battery, a DC-DC converter coupled between the battery and a main contactor, the main contactor coupled between the converter and a bus for selectively connecting the battery to the bus through the converter, and a control module for controlling the converter to selectively precharge the bus from the battery and selectively discharge the bus to the battery. The converter can be configured to isolate the battery and the bus. When a precharge signal is generated, the bus can be precharged from the battery through a transformer in the converter. The bus can be discharged to the battery through the transformer in the converter when a discharge signal is generated. | 10-15-2015 |
| 20150333543 | ENERGY STORAGE DEVICE AND METHOD FOR OPERATING IT - An energy storage device and a method for the operation of an energy storage device. In order to state an energy storage arrangement and a method for the operation of the latter, which in their characteristics are adapted to complex requirements and show both high-current and high-energy characteristics, an energy storage arrangement is stated, including: at least one high-current cell and at least one high-energy cell, with the at least one high-energy cell and the at least one high-current cell being connected in parallel, with the cells being charged and/or discharged with a current pulse and in the inter-pulse periods a charge balancing taking place between the cells. | 11-19-2015 |
| 20160023563 | SYSTEMS AND METHODS FOR FAST CHARGING BATTERIES AT LOW TEMPERATURES - Rechargeable batteries, charging methods and systems for fast charging of the battery under all environmental temperatures and without causing battery degradation are disclosed. | 01-28-2016 |
| 20160064957 | OPTIMIZED CHARGING APPARATUS AND METHODS - This document discusses, among other things, apparatus and methods to optimize charging of a battery, including providing a first charge profile configured to provide charge current pulses to a battery in a plurality of steps. In the first charge profile, the charge current pulses can be stepped down in the plurality of steps using a comparison of a terminal voltage of the battery to a clamp voltage. When the terminal voltage meets or exceeds the clamp voltage, a high time current of the charge current pulse can be decreased and the clamp voltage can be increased before providing a subsequent charge current pulse. | 03-03-2016 |
