Method for determining the internal electrical resistance of an electrical energy storage device

DE102025137685A1Undetermined Publication Date: 2026-10-22MERCEDES BENZ GROUP AG
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Patent Information

Application Number
DE102025137685
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2026-10-22

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Abstract

The invention relates to a method for determining the internal electrical resistance of an electrical energy storage device (3) of an electrical system (2) in a vehicle (1) using a sensor (5). According to the invention, the internal electrical resistance is determined based on artificial stimulation of the electrical system (2) of the electrical energy storage device (3) using signals detected by the sensor (5).
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Citation Information

Patent Citations

  • Battery internal resistance detection device and method

    US20210376637A1

  • Impedance measurement method of high-voltage battery, medium, system and equipment

    CN118818345A

  • Method for assessing an electrical connection of an electrical energy storage device with an on-board electrical system, as well as an electronic battery assessment system and vehicle

    DE102021131645A1