Interplay of Operational Parameters on Lithium Deposition in Lithium-Ion Cells: Systematic Measurements with Reconstructed 3-Electrode Pouch Full Cells

By T. Waldmann, Björn-Ingo Hogg, M. Kasper, Sébastien Grolleau, César Gutiérrez Couceiro, K. Trad, Bramy Pilipili Matadi, M. Wohlfahrt‐Mehrens. 2016

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Deposition of metallic Li is a severe aging mechanism in Lithium-ion cells. This study evaluates the inﬂuence of the main operating parameters leading to deposition of Li: temperature, charging C-rate, and end-of-charge voltage. Therefore both, graphite anodes and NMC cathodes from commercial 16Ah pouch cells are reconstructed into 3-electrode full cells. The position of the reference electrode between anode and cathode allows acquiring anode potentials vs. (Li/Li + ). Extensive evaluations of data reveal critical combinations of operating parameters to avoid Li deposition. The results from the reconstructed 3-electrode cells are compared with independently performed aging tests of the original 16Ah cells.

Subfields: Automotive Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/871fba89fc7eb6a9678f54bcefdaad332379f316

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Citations in the corpus

A new on-line method for lithium plating detection in lithium-ion batteries (2020, background): “First, as discussed within [41, 42], lithium plating levels reduce with increasing temperature and second, lithium-stripping rate increases with increasing temperature.”
Lithium Plating Mechanism, Detection, and Mitigation in Lithium-Ion Batteries (2021, background): “Mossy and granular lithium form at low current rates, whereas dendrites form at high current rates [49].”