journal article·2021-07-07Open access

Detection of Lithium Plating in Li-Ion Cell Anodes Using Realistic Automotive Fast-Charge Profiles

Matteo Dotoli, Emanuele Milo, Mattia Giuliano, Riccardo Rocca, Carlo Nervi, Marcello Baricco, Massimiliano Ercole, Mauro Francesco Sgroi

Batteries· Volume 7· Issue 3

Abstract

The widespread use of electric vehicles is nowadays limited by the “range anxiety” of the customers. The drivers’ main concerns are related to the kilometric range of the vehicle and to the charging time. An optimized fast-charge profile can help to decrease the charging time, without degrading the cell performance and reducing the cycle life. One of the main reasons for battery capacity fade is linked to the Lithium plating phenomenon. This work investigates two methodologies, i.e., three-electrode cell measurement and internal resistance evolution during charging, for detecting the Lithium plating conditions. From this preliminary analysis, it was possible to develop new Multi-Stage Constant-Current profiles, designed to improve the performance in terms of charging time and cells capacity retention with respect to a reference profile. Four new profiles were tested and compared to a reference. The results coming from the new profiles demonstrate a simultaneous improvement in terms of charging time and cycling life, showing the reliability of the implemented methodology in preventing Lithium plating.
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Research context

OpenAlex topics: Advanced Battery Technologies Research · Advancements in Battery Materials · Electric Vehicles and Infrastructure

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

MJL, MEMT, Centro Ricerche Fiat S.C.p.A, Orbassano, 10043 Turin, Italy

Department of Chemistry, NIS–INSTM–University of Turin, 10125 Turin, Italy

Propulsion Systems, FCA Italy SPA, Corso Settembrini 40, 10135 Turin, Italy

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