#G01R31/389

METHOD AND APPARATUS OF ESTIMATING SALT CONCENTRATION IN ELECTROLYTE SOLUTION OF SECONDARY BATTERY

A method of estimating a salt concentration in an electrolyte solution of a secondary battery includes: a capacity acquiring step S of acquiring a capacity of a secondary battery that is to be an esti…

DRIVE·6d ago·1 min read

G01R31/389 Prime Planet Energy & Solutions, Inc.

METHOD AND APPARATUS FOR OBTAINING BATTERY STATE INFORMATION BY USING IMPEDANCE VALUE CALCULATED AT THE SAME TIME AS BATTERY IS CHARGED

Provided are a method and apparatus for obtaining battery state information, the method including controlling a pulse generator to supply a pulse of a frequency to battery modules, calculating an impe…

DRIVE·6d ago·1 min read

G01R31/389 SAMSUNG SDI CO., LTD.

APPARATUS AND METHOD FOR ANALYZING IMPEDANCE CHARACTERISTICS OF BATTERY, AND ENERGY STORAGE SYSTEM

An apparatus for analyzing impedance characteristics of a battery includes: a switch configured to allow or block a current flowing along a path for supplying a charging current to a battery or extrac…

DRIVE·6d ago·1 min read

G01R31/389 SAMSUNG SDI CO., LTD.

Charge protocol inspection apparatus and operating method thereof

A charge protocol inspection apparatus including an information obtaining unit is configured to obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) correspondin…

DRIVE·Jun 16·1 min read

G01R31/389 LG Energy Solution, Ltd.

BATTERY MANAGEMENT DEVICE, BATTERY MANAGEMENT METHOD, AND NON-TRANSITORY STORAGE MEDIUM

A battery management device includes a high-frequency signal supply unit configured to apply a high-frequency signal having a frequency equal to or higher than 0.1 MHz to a first battery cell having a…

DRIVE·Jun 11·1 min read

G01R31/389 TOYOTA JIDOSHA KABUSHIKI KAISHA

DEVICE AND METHOD FOR DETECTING INTERNAL RESISTANCE OF BATTERY

The present disclosure relates to a device and a method for detecting an internal resistance of a battery. An internal resistance detection device according to embodiments includes: a measuring device…

DRIVE·Jun 11·1 min read

G01R31/389 Samsung SDI Co., Ltd.

Electrochemical Impedance Spectroscopy Using a Charge Transfer Circuit

A battery system includes a first battery pack having a first positive terminal and a first negative terminal and having a second battery pack having a second positive terminal and a second negative t…

DRIVE·Jun 11·1 min read

G01R31/389 TEXAS INSTRUMENTS INCORPORATED

Power storage system, vehicle, and electronic device

Provided is a power storage system, a secondary battery control system, a secondary battery measurement circuit, or the like that consumes low power. Provided is a power storage system, a secondary ba…

DRIVE·May 26·1 min read

G01R31/389 Semiconductor Energy Laboratory Co., Ltd.

FIRE PREVENTION APPARTUS AND OPERATING METHOD THEREFOR

Provided is a fire prevention apparatus including a switch connected to a battery through a first line, a variable resistor unit connected to the switch, a fuse connected to a second line connecting t…

DRIVE·May 13·1 min read

G01R31/389 LG ENERGY SOLUTION LTD [KR]

BATTERY MANAGEMENT SYSTEM AND METHOD FOR EXTENDING BATTERY LIFETIME

A battery management system and method for extending battery lifetime is provided. In a test mode, the battery management system controls a charging frequency of a battery cell according to a pluralit…

DRIVE·Apr 9·2 min read

G01R31/389 Talent Innovative Circular Energy Technology CO.,LTD.

Apparatus and Method for Diagnosing Battery Cell

An apparatus and a method for diagnosing a battery cell. The apparatus may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device confi…

DRIVE·Apr 9·1 min read

G01R31/389 LG Energy Solution, Ltd.

BATTERY DIAGNOSING APPARATUS, METHOD AND SYSTEM

A battery diagnosis apparatus include: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at diff…

DRIVE·Apr 2·1 min read

G01R31/389 LG Energy Solution, Ltd.

BATTERY POWER COMPUTING METHOD AND ELECTRONIC DEVICE USING THE BATTERY POWER COMPUTING METHOD

A battery power computing method, applied to a battery, comprising: acquiring a battery resistance table of the battery, wherein the battery resistance table comprises first mapping relations between …

DRIVE·Mar 26·1 min read

G01R31/389 MEDIATEK INC.

POWER STORAGE SYSTEM, POWER STORAGE DEVICE, AND CHARGING METHOD

A power storage system (1) includes: a power storage device (100) including a cell stack (101) including power storage cells (B0 to B5) connected in series; and a charging device (200) that supplies a…

DRIVE·Mar 18·2 min read

G01R31/389 NUVOTON TECHNOLOGY CORP JAPAN [JP]

CAPACITANCE MEASUREMENT SYSTEM FOR BATTERY CELL

Aspects of the disclosure include a system for monitoring a capacitance across a battery cell during electrolyte wetting and cell formation and methods of using the same. An exemplary system includes …

DRIVE·Feb 5·1 min read

G01R31/389 GM GLOBAL TECHNOLOGY OPERATIONS LLC

FUEL CELL SYSTEM

To provide a fuel cell system configured to appropriately measure the AC impedance of a fuel cell. A fuel cell system wherein the controller controls ON and OFF of the switches of n phases; wherein th…

DRIVE·Jan 21·1 min read

G01R31/389 TOYOTA MOTOR CO LTD [JP]

APPARATUS AND METHOD FOR PROACTIVE DETECTION OF THERMAL RUNAWAY USING BMS WITH EIS FUNCTION

An embodiment relates to an apparatus and method for proactive detection of thermal runaway using a battery management system (BMS) having an electrochemical impedance spectroscopy (EIS) function, and…

DRIVE·Jan 8·1 min read

G01R31/389 HUNATE CO., LTD.

METHOD FOR CONTROLLING BATTERY POWER INTERFACE CONVERTER WITH ULTRA-WIDEBAND EIS MEASUREMENT FUNCTION

The present disclosure is a method for controlling a battery power interface converter with an ultra-wideband EIS measurement function. According to the present disclosure, a discrete pulse control me…

DRIVE·Jul 17·1 min read

G01R31/389 Southwest Jiaotong University

BATTERY MONITORING DEVICE

A battery monitoring apparatus is provided for a secondary battery (40) that produces a change in reaction heat at a predetermined capacity when a storage capacity changes in accompaniment with a curr…

DRIVE·Jun 25·1 min read

G01R31/389 DENSO CORP [JP]

BATTERY MANAGEMENT APPARATUS AND METHOD

A battery management apparatus according to an embodiment includes a side reaction determining unit configured to determine a target peak in a differential profile representing a corresponding relatio…

DRIVE·Apr 10·1 min read

G01R31/389 LG ENERGY SOLUTION, LTD.

Traction Battery Controller Operable to Control Battery Based on Adaptive Sampled Electrochemical Impedance Spectroscopy Battery Measurements

A system, such as an electrified vehicle, includes a battery, such as a traction battery. The controller controls the battery based on adaptive sampled electrochemical impedance spectroscopy (EIS) mea…

DRIVE·Mar 27·1 min read

G01R31/389 Ford Global Technologies, LLC

METHOD FOR TESTING INTERNAL RESISTANCE OF BATTERY, AND ELECTRONIC DEVICE

A method includes: obtaining an in-position status of a charger of the electronic device; turning off a first switch if the charger of the electronic device is in position, where the first switch is l…

DRIVE·Jan 2·1 min read

G01R31/389 Honor Device Co., Ltd.

ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY MEASURING DEVICE AND METHOD

The present disclosure relates to an EIS measuring device comprising: an electrical energy storage circuit; an electronic circuit coupled to the electrical energy storage circuit and configured to be …

DRIVE·Jan 2·1 min read

G01R31/389 STMICROELECTRONICS INTERNATIONAL N.V.

BATTERY SYSTEM AND CONTROL METHOD THEREOF

Disclosed is a battery system including: a battery module (10) including a plurality of battery sub modules (11) connected in parallel between system terminals (T+, T-); a plurality of switches (33) c…

DRIVE·Sep 4·1 min read

G01R31/389 SAMSUNG SDI CO LTD [KR]

BATTERY MEASUREMENT SYSTEM

A battery measurement system includes: a battery including terminals and a housing case, and a battery measurement device. The battery measurement device includes: a signal control unit provided on a …

DRIVE·Jul 11·1 min read

G01R31/389 DENSO CORPORATION

BATTERY MEASUREMENT DEVICE

A battery measurement device that measures a state of a secondary battery includes: a signal control section that causes an alternating-current signal to be outputted from the secondary battery or inp…

DRIVE·Jul 11·1 min read

G01R31/389 DENSO CORPORATION

SYSTEMS AND METHODS FOR BATTERY PERFORMANCE MONITORING

Battery testing and monitoring by determining battery characteristics such as an increase thickness of the battery SEI layer, extent of lithium-ion plating, loss of cyclable lithium, dendrite growth (…

DRIVE·Jul 11·1 min read

G01R31/389 Southwest Research Institute

BATTERY-STRING MIDPOINT VOLTAGE MEASUREMENT APPARATUS AND METHOD

A mid-string voltage sensor is disposed in proximity to a storage-battery string and determines an error signal between the expected mid-string voltage and the actual mid-string voltage to aid in dete…

DRIVE·May 30·1 min read

G01R31/389 C&C Power, Inc.

BATTERY MEASUREMENT SYSTEM

DRIVE·Apr 25·1 min read

G01R31/389 DENSO CORPORATION

ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY SYSTEM AND CHARGING DEVICE FOR ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERIES

[Problem] To provide a means for detecting the generation of electrodeposition of metal lithium in an all-solid-state lithium-ion secondary battery in a real-time manner even when charging the battery…

DRIVE·Apr 17·1 min read

G01R31/389 RENAULT SAS [FR]

CHARGING AND DISCHARGING JIG FOR IMPEDANCE MEASUREMENT OF BATTERY CELL

A jig for impedance measurement of a battery cell includes: a jig body configured to receive a battery cell in a longitudinal direction; a first bus bar installed on a first side of the jig body, the …

DRIVE·Mar 7·2 min read

G01R31/389 LG ENERGY SOLUTION, LTD.

METHOD FOR ESTIMATING DIRECT CURRENT INTERNAL RESISTANCE OF BATTERY

The invention presents a method for estimating a direct current internal resistance of a battery, which defines a depth of discharge detection interval including a first threshold and a second thresho…

DRIVE·Feb 15·2 min read

G01R31/389 STL TECHNOLOGY CO., LTD.

ELECTROCHEMICAL CELL CHARACTERISATION

Circuitry for determining an impedance of an electrochemical cell comprising at least one first electrode and a second electrode, the circuitry comprising: drive circuitry configured to apply a stimul…

DRIVE·Dec 21·1 min read

G01R31/389 Cirrus Logic International Semiconductor Ltd.

APPARATUS AND METHOD FOR TESTING A CELL CONTACT OF BATTERY CELLS OF A BATTERY MODULE

Apparatus () and method for testing cell contact of battery cells () of a battery module (), which battery cells are electrically connected in parallel via a contacting system (). The apparatus includ…

DRIVE·Nov 30·2 min read

G01R31/389 Acculogic Inc.

METHOD AND DEVICE WITH BATTERY SHORT CIRCUIT DETECTION

Provided are a method and device with battery short circuit detection. A method of detecting a short circuit in a battery includes: triggering a rest phase of the battery, determining a first time con…

DRIVE·Nov 30·1 min read

G01R31/389 Samsung Electronics Co., Ltd.

SYSTEM AND METHOD FOR MEASURING BATTERY IMPEDANCE

One or more circuits and/or methods are provided. In an example, a circuit includes a first sampling capacitor connected to a first battery terminal for connecting to a battery, an excitation circuit …

DRIVE·Nov 16·1 min read

G01R31/389 Cypress Semiconductor Corporation

BATTERY MONITORING APPARATUS

A battery monitoring apparatus is provided for a secondary battery that produces a change in reaction heat at a predetermined capacity when a storage capacity changes in accompaniment with a current c…

DRIVE·Oct 19·1 min read

G01R31/389 DENSO CORPORATION

Calculation Device

An SBM measures a voltage of a battery, detects a voltage feature quantity, and transmits the voltage feature quantity to a BMU. The BMU measures a current of the battery, detects a current feature qu…

DRIVE·Sep 21·1 min read

G01R31/389 Prime Planet Energy & Solutions, Inc.

Calculation Device

DRIVE·Sep 21·1 min read

G01R31/389 Prime Planet Energy & Solutions, Inc.

ENERGY STORAGE APPARATUS, ENERGY STORAGE SYSTEM, INTERNAL RESISTANCE ESTIMATION METHOD, AND COMPUTER PROGRAM

An energy storage apparatus includes an energy storage device and a management unit. The management unit: lowers an SOC of the energy storage device by discharge of the energy storage device; acquires…

DRIVE·Sep 14·1 min read

G01R31/389 GS Yuasa International Ltd.