Patent · US Active

Device and method for battery impedance measurement

US11372054B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Stefano Marsili · Faak am See, AT
Klaus Hoermaier · Krumpendorf, AT
Akshay Misra · Munich, DE
Filippo Rosetti · Villach, AT

Key dates

Filing date	Oct 18, 2019
Grant date	Jun 28, 2022
Priority date	—
Expiry date	May 8, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/396
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A device for battery impedance measurement includes a switched capacitor network, a controller configured to operate the switched capacitor network to cause an alternating current to flow between a battery and an energy storage; and measurement circuitry configured to measure the alternating current flowing to or from the battery and a voltage across the battery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.