#G01R31/396

BATTERY MANAGEMENT DEVICE AND OPERATION METHOD THEREOF

A battery management apparatus according to an embodiment disclosed herein includes a first communication unit configured to broadcast a wide-area signal for communication with a plurality of slave ba…

DRIVE·6d ago·1 min read

G01R31/396 LG ENERGY SOLUTION LTD [KR]

BATTERY ENERGY STORAGE SYSTEM AND A METHOD OF ELECTRICALLY ISOLATING A PLURALITY OF BATTERY CELLS

A battery energy storage system and methods for electrically isolating a plurality of battery cells (106) from an interface port (144) are disclosed. In one example, a method comprises measuring an el…

DRIVE·6d ago·1 min read

G01R31/396 CUMMINS POWER GENERATION INC [US]

Method of setting information about battery pack and battery system to which the method is applied

A method of setting information about a battery pack includes deriving, by a main control unit (MCU), information about a number of a plurality of battery cells based on a set resistance value connect…

DRIVE·Jun 23·2 min read

G01R31/396 LG ENERGY SOLUTION, LTD.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY, AND COMPUTER PROGRAM

An apparatus for diagnosing a plurality of battery cells based on diagnostic data acquired from the plurality of battery cells includes a processor configured to diagnose the plurality of battery cell…

DRIVE·Jun 18·1 min read

G01R31/396 SAMSUNG SDI CO., LTD.

Equalization cell determination device and method

For lithium-ion batteries that are composed of multiple battery cells and have a flat region in the SOC-OCV characteristic curve where the rate of change in open circuit voltage with respect to state …

DRIVE·Jun 16·1 min read

G01R31/396 TOYOTA JIDOSHA KABUSHIKI KAISHA

APPARATUS AND METHOD FOR DETECTING ABNORMAL CELL OF BATTERY MODULE

An apparatus for detecting abnormal cell of battery module includes a charging current detector configured to detect whether a charging current reaches a first criterion during charging of a battery m…

DRIVE·Jun 11·1 min read

G01R31/396 SAMSUNG SDI CO., LTD.

Method for determining a state of charge of an electric energy store, electric energy store, and device

The invention relates to a method for determining the state of charge of an electric energy store comprising electric energy store cells and a sensor, in which method: in a first method step, operatin…

DRIVE·Jun 2·2 min read

G01R31/396 Robert Bosch GmbH

BATTERY PACK AND METHOD OF CONTROLLING THE SAME

A battery pack includes: a pair of external terminals; a pair of first connection terminals; a first battery comprising a plurality of first battery strings connected in parallel between the pair of f…

DRIVE·Mar 18·1 min read

G01R31/396 SAMSUNG SDI CO LTD [KR]

METHOD FOR MONITORING THE STATUS OF A PLURALITY OF BATTERY CELLS IN AN ENERGY STORAGE SYSTEM

A method for monitoring a status of an energy storage system connected to a power converter is disclosed. The energy storage system comprises a plurality of interconnected energy storage cells, and th…

DRIVE·Mar 5·1 min read

G01R31/396 Hitachi Energy Ltd

SYSTEM AND METHOD FOR ADAPTIVE BATTERY PARAMETER OPTIMIZATION FOR ESTIMATING BATTERY PACK STATE OF CHARGE

A method for controlling an electrified vehicle (EV) having a battery pack includes transmitting, by the EV, a plurality of battery operation characteristics to a remote server over a period of time d…

DRIVE·Feb 5·1 min read

G01R31/396 Ford Global Technologies, LLC

BATTERY CELL REPLACEMENT DETECTION APPARATUS AND METHOD

The present disclosure relates to a battery cell replacement detection apparatus and method, and is directed to providing a mechanism that can prevent the mount of non-genuine batteries in a battery p…

DRIVE·Feb 5·1 min read

G01R31/396 Samsung SDI Co., Ltd.

BATTERY PACK AND ASSESSMENT METHOD

This battery pack comprises: an electric circuit element part which is for use in assessment of a plurality of secondary batteries and which is disposed so as to be connectable to the plurality of sec…

DRIVE·Nov 21·1 min read

G01R31/396 NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

BATTERY DATA COLLECTION FOR HEALTH OF BATTERY ANALYSIS

A method, system, node and device are disclosed. A collector device configured to communicate with a vehicle system, a health node and at least one sensor is described. The collector device includes a…

DRIVE·Oct 17·2 min read

G01R31/396 CPS Technology Holdings LLC

METHOD FOR DETECTING INCONSISTENCY OF SINGLE CELLS IN VEHICLE BATTERY, DEVICE AND MEDIUM

Disclosed are a method and a device for detecting inconsistency of single cells in vehicle battery, and a medium. The method includes obtaining current battery data for a vehicle under test, determini…

DRIVE·Sep 26·1 min read

G01R31/396 CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD.

BATTERY APPARATUS AND CONTROL METHOD THEREOF

A battery apparatus (1) comprises a battery module (20) including a plurality of battery cells (210) and a battery management system (10) that receives operation information including mode information…

DRIVE·Jul 24·1 min read

G01R31/396 SAMSUNG SDI CO LTD [KR]

APPARATUS AND METHOD FOR DETECTING DEFECTIVE BATTERY CELL

An apparatus and method for detecting a defective battery cell is proposed. The proposed apparatus includes a charger for supplying current to cause a battery cell to maintain a constant voltage, a me…

DRIVE·Jul 18·1 min read

G01R31/396 SK On Co., Ltd.

METHOD OF SETTING INFORMATION ABOUT BATTERY PACK AND BATTERY SYSTEM TO WHICH THE METHOD IS APPLIED

DRIVE·Jul 11·2 min read

G01R31/396 LG ENERGY SOLUTION, LTD.

ABNORMAL CELL DETECTION METHOD, ABNORMAL CELL DETECTION DEVICE, AND BATTERY PACK

An abnormal cell detection method of a battery pack including a plurality of cells, the method including obtaining a first plurality of discharge rates for each cell during a first rest period in a ce…

DRIVE·May 30·1 min read

G01R31/396 SAMSUNG SDI CO., LTD.

Voltage Sampling Apparatus and Method

An apparatus includes a first sampling switch coupled between a first voltage bus and a sampling capacitor, a first clock generator configured to produce a first gate drive signal fed into a gate of t…

DRIVE·May 16·1 min read

G01R31/396 NuVolta Technologies (Hefei) Co., Ltd.

METHODS AND SYSTEMS FOR MANAGING MULTI-CELL BATTERIES

A method for measuring electrical quantities in an electrical system includes obtaining a first set of known electrical outputs of an electrical quantity sensor at a first temperature. The method also…

DRIVE·May 2·2 min read

G01R31/396 Nova Semiconductor Inc.

SLAVE BMS FOR DIAGNOSING AN ERROR OF A BATTERY MODULE AND BATTERY PACK COMPRISING SAME SLAVE BMS

The present invention provides a battery pack comprising a slave BMS which diagnoses an error in a battery module. The battery pack of the present invention includes a master BMS and a first slave BMS…

DRIVE·Apr 17·1 min read

G01R31/396 LG ENERGY SOLUTION LTD [KR]

DELTA VOLTAGE HYBRID BATTERY FUEL GAUGE

Example devices and techniques are described herein for determining a relative state-of-charge of a battery. An example device includes memory, a battery, a temperature sensor and processing circuitry…

DRIVE·Mar 21·1 min read

G01R31/396 Medtronic, Inc.

APPARATUS AND METHOD FOR ESTIMATING BATTERY CELL CAPACITY

A method for estimating battery cell capacity may comprise deriving a discharge curve for each battery cell included in a module including a plurality of battery cells; deriving a charge curve for eac…

DRIVE·Mar 21·1 min read

G01R31/396 LG ENERGY SOLUTION, LTD.

MONITORING OF BATTERY MODULE BASED ON CELL VOLTAGE RANKINGS

A system for monitoring a battery module having a plurality of cells includes a sensor adapted to obtain respective cell voltages of the plurality of cells. The controller is adapted to receive data f…

DRIVE·Mar 14·1 min read

G01R31/396 GM GLOBAL TECHNOLOGY OPERATIONS LLC

ELECTRIC AIRCRAFT BATTERY PACK AND METHODS OF USE

An electric aircraft battery pack that includes an integrated battery management component, which determines if a power supply connection between the battery pack and the electric aircraft should be t…

DRIVE·Feb 22·1 min read

G01R31/396 BETA AIR, LLC

BATTERY CELL SAMPLING VOLTAGE COMPENSATION METHOD AND APPARATUS AND ELECTRIC APPARATUS

Disclosed are a battery cell sampling voltage compensation method and apparatus and an electric apparatus. The method includes: after confirming that all battery cells connected to a voltage sampling …

DRIVE·Feb 22·1 min read

G01R31/396 CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

BATTERY SAMPLING CHIP AND BATTERY MANAGEMENT SYSTEM

Provided are a battery sampling chip and a battery management system. The battery sampling chip includes: a selector module, including a first multiplexer and a second multiplexer, wherein the first m…

DRIVE·Dec 21·1 min read

G01R31/396 CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

SERIAL HANDLING AND TESTING OF ELECTRICAL COMPONENTS

A robotic system for manipulating an electrical component between a first location and a second location, the system comprising: a movement element for moving a manipulation tool between the first loc…

DRIVE·Dec 14·1 min read

G01R31/396 ATS Industrial Automation Inc.

APPARATUS AND METHOD FOR MEASURING BATTERY CELL VOLTAGE

In an embodiment, an apparatus is disclosed that includes a first battery management circuit. The first battery management circuit is configured to measure a voltage of a first battery cell of a batte…

DRIVE·Nov 16·2 min read

G01R31/396 Renesas Electronics America Inc.

BATTERY DEVICE, DETECTION METHOD THEREOF, AND SCREENING METHOD AND DEVICE OF BATTERY UNIT

The invention discloses a battery device, a detection method thereof, and a screening method and device of a battery unit. A difference between characteristic values of any two battery units in the ta…

DRIVE·Nov 16·1 min read

G01R31/396 CALB Co., Ltd.

BATTERY MONITORING SYSTEM AND SEMICONDUCTOR DEVICE

A battery monitoring system includes a first group of a plurality of battery cells connected in series and including a first battery cell at a highest potential and a second battery cell at a lowest p…

DRIVE·Nov 16·1 min read

G01R31/396 c/o Lapis Semiconductor Co., Ltd.

METHOD, APPARATUS, MEDIUM AND DEVICE FOR DETERMINING VOLTAGE INFLECTION POINT OF CELL CORE IN LFP BATTERY

A method for determining a voltage inflection point of a cell core in a LFP battery includes: charging the LFP battery with a first current value and monitoring the State of charge (SOC) of the LFP ba…

DRIVE·Oct 26·2 min read

G01R31/396 BYD COMPANY LIMITED

BATTERY MONITORING DEVICE

A current application unit includes a load element, a switching element, and a shunt resistor connected in series between both terminals of an assembled battery, and a drive control unit of the switch…

DRIVE·Oct 5·1 min read

G01R31/396 DENSO CORPORATION

BATTERY MONITORING DEVICE

A battery monitoring device for monitoring an assembled battery having multiple battery cells includes: a range specifying unit that specifies a detection range; a voltage detection unit that detects …

DRIVE·Sep 14·1 min read

G01R31/396 DENSO CORPORATION

METHODS AND SYSTEMS FOR IN-SITU LEAKAGE CURRENT TESTING OF CELLS IN MULTI-CELL BATTERY PACKS

Described methods and systems provide in-situ leakage current testing of battery cells in battery packs even while these packs operate. Specifically, an external electrical current is discontinued thr…

DRIVE·Sep 7·2 min read

G01R31/396 Element Energy, Inc.

DEVICE AND METHOD FOR DETERMINING STATE OF BATTERY PACK

A parameter ratio that is a ratio of a parameter of a parallel-cell block to be determined to an average value of parameters of a plurality of parallel-cell blocks is calculated, a moving-average valu…

DRIVE·Aug 31·1 min read

G01R31/396 TOYOTA JIDOSHA KABUSHIKI KAISHA

MAXIMUM DISCHARGE CURRENT PREDICTION METHOD AND BATTERY SYSTEM USING THE SAME

A method of predicting a maximum discharge current for a battery cell includes: receiving a discharge time and a discharge limitation voltage; setting a discharge reference voltage; obtaining a propor…

DRIVE·Aug 24·1 min read

G01R31/396 LG ENERGY SOLUTION, LTD.

ELECTRIC AIRCRAFT BATTERY PACK AND METHODS OF USE

DRIVE·Aug 10·1 min read

G01R31/396 BETA AIR, LLC

Battery Diagnosis Apparatus, Battery Diagnosis Method, Battery Pack, and Vehicle

A battery diagnosis apparatus for diagnosis of a cell group including a plurality of battery cells connected in series, includes a voltage sensing circuit configured to periodically generate a voltage…

DRIVE·Aug 3·1 min read

G01R31/396 LG Energy Solution, Ltd.

Secondary Battery Diagnosing Apparatus and Method

A secondary battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal of the secondary battery, including a memory unit configu…

DRIVE·Jul 27·1 min read

G01R31/396 LG Energy Solution, Ltd.