Verfahren, Vorrichtung und System zur Schätzung des Gesundheitszustands einer Batterie

Details

Veröffentlichungs-Nr.

EP4803913

Anmeldetag

3. März 2025

Veröffentlichung

9. September 2026

Rechtsraum

EP

IPC

G01R31/367, G01R31/392

Abstract

The invention relates to a method for estimating an SoH of a battery comprising the steps: discharging a Field Battery; measuring electrical battery parameters of the Field Battery during discharging, collecting measuring data of the Field Battery, and determining a Field Battery measuring discharge curve; estimating Healthy Discharge Curve of Field Battery using a neural network trained with measuring data of electrical battery parameters of a Reference Battery collected during discharging a Reference Battery to predict a Healthy Discharge Curve; comparing the estimated Healthy Discharge Curve of the Field Battery with the measuring discharge curve of the Field Battery; if a value of the measuring discharge curve of the Field Battery is smaller than a value of the estimated Healthy Discharge Curve of the Field Battery at a distinct point of time, determining the time difference between the distinct point of time and a predicted point of time, when the value is estimated to be reached according to the prediction of the neural network; estimating an SoH of the Field Battery based on the difference between the distinct point of time and the predicted point of time.

Anmelder

Firma

ABB SCHWEIZ AG

Land

🇨🇭 Schweiz

Fachgebiete