To better asses the ageing and to reduce the hazards involved in the use of Lithium-Ion Batteries, multi-measurand monitoring units and strategies are urged. In this paper, a Cell Management Unit, based on the SENSIPLUS chip, a recently introduced multichannel, multi-mode sensor interface, is described. SENSIPLUS is a single System on a Chip combined with a reduced number of external components, resulting in a highly miniaturized device, built on 20 × 8 mm2 printed circuit board. Thanks to SENSIPLUS’ versatility, the proposed system is capable of performing direct measurements (EIS, cell voltage) on the cell it is applied to, and reading different kinds of sensors. The SENSIPLUS versatile digital communication interface, combined with a digital isolator, enable connection of several devices to a single bus for parallel monitoring a large number of cells connected in series. Experiments performed by connecting the proposed system to a commercial Lithium-Ion Battery and to capacitive and resistive sensors are described. In particular, the capability of measuring the cell internal impedance with a resolution of 120 μΩ is demonstrated.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    An ASIC-based miniaturized system for online multi-measurand monitoring of lithium-ion batteries



    Erscheinungsdatum :

    01.01.2021



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629 / 600



    System and Method of Acquiring and Evaluating a Measurand

    HÖSSLE FLORIAN | Europäisches Patentamt | 2016

    Freier Zugriff

    System and method of acquiring and evaluating a measurand

    HOEΒLE FLORIAN | Europäisches Patentamt | 2018

    Freier Zugriff



    Impedance-Based Online Monitoring of Automotive Batteries

    Buller, S. | British Library Conference Proceedings | 2002