Understanding and predicting the lithium dendrite formation in Li-Ion batteries: Phase field model

H. W. Zhang, Z. Liu, L. Liang, L. Chen, Y. Qi, S. J. Harris, P. Lu, L. Q. Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • 5 Citations

Abstract

Lithium (Li) dendrite formation compromises the reliability of Li-metal batteries, either because dendrite pieces lose electrical contract or growing dendrite penetrates the separator and leads to internal short-circuiting. In this paper, a nonlinear phase-field model is formulated to predict Li dendrite formation at the electrode/electrolyte interface. The phase field evolves by electrochemical reaction of which the rate depends on nonlinearly the thermodynamics driving force involving overpotential and ion concentration. A revised Poisson-Nesters-Planck Equation is further solved for ionic transport and local overpotential variation. The model is validated by 1-D fields distribution involving phase field, Lithium ion concentration and electrostatic potential. The 2-D tree-type lithium dendrite during Li deposition was produced if anisotropic surface energy is assumed. Finally, the 2D morphological evolution under different electrochemical conditions specified by the charging current density, and the anisotropy of surface energy was discussed.

Other

OtherSymposium on Mechanical-Electrochemical Coupling in Energy Related Materials and Devices - 225th ECS Meeting
CountryUnited States
CityOrlando
Period5/11/145/15/14

Profile

Lithium
Dendrites (metallography)
Interfacial energy
Ions
Separators
Lithium-ion batteries
Electrostatics
Anisotropy
Current density
Electrolytes
Thermodynamics
Electrodes
Metals

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Zhang, H. W., Liu, Z., Liang, L., Chen, L., Qi, Y., Harris, S. J., ... Chen, L. Q. (2014). Understanding and predicting the lithium dendrite formation in Li-Ion batteries: Phase field model. In ECS Transactions (8 ed., Vol. 61, pp. 1-9). Electrochemical Society Inc.. DOI: 10.1149/06108.0001ecst

Understanding and predicting the lithium dendrite formation in Li-Ion batteries : Phase field model. / Zhang, H. W.; Liu, Z.; Liang, L.; Chen, L.; Qi, Y.; Harris, S. J.; Lu, P.; Chen, L. Q.

ECS Transactions. Vol. 61 8. ed. Electrochemical Society Inc., 2014. p. 1-9.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zhang, HW, Liu, Z, Liang, L, Chen, L, Qi, Y, Harris, SJ, Lu, P & Chen, LQ 2014, Understanding and predicting the lithium dendrite formation in Li-Ion batteries: Phase field model. in ECS Transactions. 8 edn, vol. 61, Electrochemical Society Inc., pp. 1-9, Symposium on Mechanical-Electrochemical Coupling in Energy Related Materials and Devices - 225th ECS Meeting, Orlando, United States, 5/11/14. DOI: 10.1149/06108.0001ecst
Zhang HW, Liu Z, Liang L, Chen L, Qi Y, Harris SJ et al. Understanding and predicting the lithium dendrite formation in Li-Ion batteries: Phase field model. In ECS Transactions. 8 ed. Vol. 61. Electrochemical Society Inc.2014. p. 1-9. Available from, DOI: 10.1149/06108.0001ecst
Zhang, H. W. ; Liu, Z. ; Liang, L. ; Chen, L. ; Qi, Y. ; Harris, S. J. ; Lu, P. ; Chen, L. Q./ Understanding and predicting the lithium dendrite formation in Li-Ion batteries : Phase field model. ECS Transactions. Vol. 61 8. ed. Electrochemical Society Inc., 2014. pp. 1-9
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