#G01N27/02

BATTERY MANAGEMENT APPARATUS AND OPERATION METHOD THEREFOR

A battery management apparatus according to an embodiment disclosed herein includes a temperature estimation unit configured to estimate a temperature of a battery based on electrochemical impedance s…

DRIVE·5d ago·1 min read

G01N27/02 LG ENERGY SOLUTION LTD [KR]

DETECTION DEVICE, MANAGEMENT DEVICE, AND DETECTION METHOD

A detection device according to the present disclosure is a detection device for detecting a status of a lithium-ion secondary battery, the detection device including a control module that acquires re…

DRIVE·Jun 4·1 min read

G01N27/02 KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO

BIG DATA-BASED BATTERY INSPECTION METHOD

The present invention relates to a big data-based battery inspection method. Specifically, the present invention is for providing a big data-based battery inspection method which applies information o…

DRIVE·Mar 18·1 min read

G01N27/02 LG ENERGY SOLUTION LTD [KR]

METHOD AND APPARATUS FOR DIAGNOSING BATTERY CELL

Discussed are a method and an apparatus for diagnosing a battery cell. The method may include applying, by the apparatus for diagnosing the battery cell, an activation waveform having a predetermined …

DRIVE·Dec 31·1 min read

G01N27/02 LG ENERGY SOLUTION LTD [KR]

METHOD AND APPARATUS FOR DETECTING DEFECTS OF RECHARGEABLE BATTERY

Detecting a defect in a rechargeable battery includes measuring an output signal by applying an input signal to the battery while modulating frequency, calculating an AC impedance according to the fre…

DRIVE·Oct 22·2 min read

G01N27/02 MINTECH CO LTD [KR]

DETECTION DEVICE, MANAGEMENT DEVICE, AND DETECTION METHOD

A detection device for detecting a status of a lithium-ion secondary battery includes a control module that acquires real part of AC impedance at a frequency at which the real part of the AC impedance…

DRIVE·Feb 8·1 min read

G01N27/02 KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO

FUEL CELL HYDROGEN CONCENTRATION ESTIMATION DEVICE AND FUEL CELL SYSTEM

The invention provides an apparatus for estimating fuel-cell hydrogen concentration and a fuel cell system which exploit the correlation between impedance semicircles and hydrogen concentrations to es…

DRIVE·Mar 14·2 min read

G01N27/02 TOYOTA MOTOR CO LTD [JP]