Soh-Vorhersagevorrichtung und Betriebsverfahren dafür

Details

Veröffentlichungs-Nr.

EP4768955

Anmeldetag

14. Oktober 2024

Veröffentlichung

15. Mai 2025

Rechtsraum

EP

Abstract

A state of health (SOH) prediction device according to one embodiment disclosed herein may include a battery pack, an electrochemical impedance spectroscopy (EIS) data acquisition unit configured to acquire EIS data of the battery pack, a feature point identification unit configured to identify a plurality of feature points based on the EIS data, a resistance parameter calculation unit configured to calculate a resistance parameter related to impedance of the battery pack based on impedance related to the plurality of feature points, and an SOH prediction unit configured to predict an SOH of the battery pack corresponding to the resistance parameter based on the resistance parameter corresponding to each of the plurality of temperatures and a first function representing tendency between the resistance parameter and the SOH of the battery pack.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea