Matches 1 - 39 out of 39


Match Document Document Title
US20130325379 INTERNAL RESISTANCE ESTIMATION DEVICE AND METHOD OF ESTIMATING INTERNAL RESISTANCE  
An internal resistance estimation device for estimating an internal resistance of an electric storage device includes a current measurement portion, a voltage measurement portion, and a...
US20070194791 Method and apparatus for monitoring the condition of a battery by measuring its internal resistance  
A method comprises coupling a first power transistor as a first external load in series with the battery, coupling a second power transistor as a second external load in series with the battery,...
US20150070024 BATTERY PACK, APPARATUS INCLUDING BATTERY PACK, AND METHOD OF MANAGING BATTERY PACK  
A battery pack including a battery coupled to a load and a charging device, and comprising at least one battery cell, and a battery management unit for controlling charging of the battery from the...
US20160195585 SYSTEMS AND METHODS FOR DETERMINING A REMAINING BATTERY CAPACITY OF A BATTERY DEVICE  
A system for determining a remaining battery capacity includes a detection circuitry and a controller. The detection circuitry is coupled to a battery device for detecting an open circuit and a...
US20160069963 ELECTRICITY STORAGE DEVICE STATE INFERENCE METHOD  
The internal impedance |Z| of an electricity storage device is measured at a frequency at which the internal impedance of the electricity storage device does not change with temperature, and the...
US20110208452 NON-INVASIVE METHOD OF DETERMINING THE ELECTRICAL IMPEDANCE OF A BATTERY  
A non-invasive method and device for determining the electrical impedance of an electrochemical system for electric power is disclosed. The voltage and current are measured at terminals as a...
US20140266228 ACTIVE MEASUREMENT OF BATTERY EQUIVALENT SERIES RESISTANCE  
A circuit for measuring the equivalent series resistance (ESR) of a battery includes taking measurements of battery current and battery voltage. A controller may control the taking of the...
US20120032681 DETERMINATION OF THE INTERNAL RESISTANCE OF A BATTERY CELL OF A TRACTION BATTERY WHILE USING RESISTIVE CELL BALANCING  
The invention relates to a method and a device for determining the internal resistance of a battery cell of a battery, in particular a traction battery, in which the method can be used either...
US20170131363 Improved Battery Testing Device  
A method of determining a level of deterioration in a battery, the method comprising: deriving a value of capacitance for the battery; and using the derived value of capacitance, deriving the...
US20150214582 BATTERY AND METHOD FOR DETERMINING THE AGEING STATE OF A BATTERY  
With a battery with two electrodes, at least one separator, at least one reference electrode and an electrolyte, conclusions are to be drawn on its ageing state through measuring the...
US20140287287 BATTERY SYSTEM AND EVALUATION METHOD FOR BATTERY  
A battery system 1 includes a secondary battery 10 including a positive electrode 11, a negative electrode 15, and electrolytes 12 and 14, a storing section 23 configured to store peculiar...
US20060284618 Method and apparatus for estimating maximum power of battery by using internal resistance of the battery  
Disclosed is a method for estimating the maximum power of a battery, which can inexpensively perform an estimation of the maximum power of a battery in a relatively simple manner of using the...
US20060244460 System and method for battery management  
A battery management system for managing current supplied by a battery to a load. The battery management system detects an input current and drives the load at a substantially constant voltage if...
US20150253204 ELECTRICAL STORAGE DEVICE TEMPERATURE-MEASURING METHOD  
An electrical storage device temperature-measuring method includes: measuring the real part of the internal impedance of an electrical storage device by using an alternating-current signal having...
US20160231387 Estimating Battery Cell Parameters  
This document describes techniques and apparatuses for estimating battery cell parameters. In some embodiments, these techniques and apparatuses enable the isolation of a battery cell from other...
US20170003355 METHOD AND DEVICE FOR DETERMINING THE IMPEDANCE OF AN ENERGY STORAGE ELEMENT OF A BATTERY  
A method for determining the impedance of an energy storage element of an electric battery comprises the steps of: applying a predetermined sequence of current variations to the element; measuring...
US20120316815 METHOD FOR EVALUATING DETERIORATION OF LITHIUM ION SECONDARY BATTERY, AND BATTERY PACK  
Disclosed is a method for evaluating deterioration of a lithium ion secondary battery, in which an impedance spectrum of a lithium ion secondary battery is measured using alternating current of a...
US20130119898 BATTERY SYSTEM, ELECTRIC VEHICLE, MOVING BODY, ELECTRIC POWER STORAGE DEVICE, POWER SUPPLY DEVICE AND BATTERY VOLTAGE DETECTION DEVICE  
A voltage detection section 10 comprises an A/D converter section 13 that outputs an A/D detection voltage value (Vad) for batteries 2[i] and voltage level determination sections 16[i] that output...
US20130069660 METHOD FOR IN SITU BATTERY DIAGNOSTIC BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY  
The invention is a method for estimating the internal state of a system for the electrochemical storage of electrical energy, such as a battery. For various internal states of batteries of the...
US20120249152 CHARGING/DISCHARGING DETERMINATION APPARATUS AND COMPUTER-READABLE NON-TRANSITORY MEDIUM STORING CHARGING/DISCHARGING DETERMINATION PROGRAM  
According to one exemplary embodiment, a charging/discharging determination apparatus includes: a receiving module which receives information of a rated capacity of a battery; and a determination...
US20160131719 BATTERY STATE DETECTION DEVICE  
A battery state detection device enabling a state of a secondary battery to be detected relatively easily and accurately is provided. In a battery state detection device, a ╬╝COM detects a...
US20140306712 TRACKING AGING EFFECT ON BATTERY IMPEDANCE AND TRACKING BATTERY STATE OF HEALTH  
Methods and systems for tracking aging effect on battery impedance are provided. A first voltage associated with a first state of a battery, a second voltage associated with a second state of the...
US20150276889 ELECTROCHEMICAL ANALYSIS APPARATUS AND ELECTROCHEMICAL SYSTEM  
An electrochemical analysis apparatus includes a power controller, a Fourier transform unit, and a calculating unit. The power controller generates a rectangular-wave signal, a first frequency F...
US20140125348 SYSTEM AND METHOD FOR ESTIMATING THE END-OF-CHARGE TIME OF A BATTERY  
The invention relates to a system for estimating the end-of-charge time of a battery connected to a battery charger on board a motor vehicle. The system is characterised in that it comprises a...
US20070001680 Condition detection and indicating means for a storage battery  
There is disclosed a storage battery which is capable of self-monitoring by detecting and indicating the actual capacity and the expected remaining life-span of the battery, the condition of its...
US20130323542 Electrochemical Cell Based on Lithium Technology with Internal Reference Electrode, Process for Its Production and Methods for Simultaneous Monitoring of the Voltage or Impedance of the Anode and the Cathode Thereof  
The present invention is directed to an electrochemical cell based on lithium technology, comprising the following components: a positive electrode containing a cathode material, a separator made...
US20160231390 BATTERY ABNORMALITY INDICATION APPARATUS  
A battery abnormality indication apparatus includes a measurement sensor that measures a state of a battery; an electronic control unit that determines, based on the state of the battery acquired...
US20160054391 METHOD, DEVICE AND SYSTEM FOR MEASURING IMPEDANCE OF FUEL CELL  
Disclosed are a method, a device and a system for measuring impedance of a fuel cell. For example, the method includes: injecting, by an impedance measurement device, a current of an associated...
US20130066572 ASSEMBLED BATTERY  
The present invention relates to a battery pack constituted by connecting a plurality of unit batteries, in which the route of the signal line is simplified and the manufacturing cost is reduced....
US20150338471 RECONSTRUCTED BATTERY PACK APPLICABILITY DETERMINATION METHOD FOR USED SECONDARY BATTERY, AND RECONSTRUCTION METHOD FOR RECONSTRUCTED BATTERY PACK  
A determination method for a used secondary battery is provided. The determination method includes: comparing an alternating-current internal resistance threshold with an alternating-current...
US20130027049 Method for Determining Battery Pack Isolation Resistance Via Dual Bus Monitoring  
A method for measuring and calculating the isolation resistance of a battery pack is provided, the method being invulnerable to changes in the bus voltage that may take place between measurements.
US20100295550 ADAPTIVE ENERGY MANAGEMENT TERMINAL FOR A BATTERY  
A battery includes multiple conductive plates and a permeable electrolytic material and an ion membrane located between the conductive plates. The battery also includes at least one wire located...
US20060082375 Apparatus and method for identification of a failing battery  
In order to determine when a battery is failing, the internal resistance is measured periodically. Because as a battery ages, the internal resistance increases, a table is maintained of periodic...
US20100215995 MAGNETIC STATE OF CHARGE SENSOR FOR A BATTERY  
A battery includes multiple conductive battery plates and a complex electrolytic material located between the conductive battery plates. The battery also includes a conductive sensor wire located...
US20150198674 METHOD AND APPARATUS FOR DETERMINING THE STATE OF BATTERIES  
The present invention relates to a method and a suitable apparatus for determining the state of a rechargeable battery and for checking contact resistances in a battery system. According to the...
US20150153423 Method and a Device for Determining the Internal Resistance of Battery Cells of a Battery  
A method for determining the internal resistance of battery cells includes connecting at least one first decoupled battery module to a battery bank to generate a first voltage during the operation...
US20130106427 Battery Rating Method  
A method of rating a battery includes providing a plurality of numerical values by removing units from standardized ratings or tests for the battery; assigning a pre-calculated unit scaling factor...
US20160109523 APPARATUS AND METHOD FOR CALCULATING STATE OF CHARGE  
An apparatus for calculating State of Charge (SOC) of a secondary battery by correcting a terminal voltage includes: a voltage measuring device that measures a terminal voltage of a battery; a...
US20140077817 METHOD FOR THE CONTROL AND HANDLING OF ELECTROCHEMICAL CELLS OR BATTERIES, ELECTROCHEMICAL CELL AND BATTERY  
The invention relates to a method for handling and servicing an electrochemical cell (1), preferably a battery having a number of electrochemical cells (1), comprising a controller (3), in...

Matches 1 - 39 out of 39