期刊
JOURNAL OF POWER SOURCES
卷 300, 期 -, 页码 376-385出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.09.055
关键词
Phase-field model; Dendrite; Electrodeposition; Lithium-ion battery
资金
- NSF [CMMI-1235092]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1235092] Funding Source: National Science Foundation
A nonlinear phase-field model, accounting for the Butler-Volmer electrochemical reaction kinetics, is developed to investigate the dendritic patterns during an electrodeposition process. Using lithium electrodeposition as an example, the proposed model is first verified by comparison with the Nernst equation in a 1D equilibrium system. The nonlinear electrochemical kinetics is also confirmed at nonequilibrium condition. The dendritic patterns are examined as a function of applied voltage and initial electrode surface morphology. A design map is proposed to tailor the electrode surface morphology and the applied voltage to avoid undesired dendritic patterns. Published by Elsevier B.V.
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