Phase-field Simulation of Lithium Ion Diffusion in Solid Electrolyte Interphase

2015 ◽  
Vol 66 (9) ◽  
pp. 81-91 ◽  
Author(s):  
P. Guan ◽  
L. Liu
Keyword(s):  
Solid Electrolyte ◽  
Phase Field ◽  
Solid Electrolyte Interphase ◽  
Lithium Ion ◽  
Ion Diffusion ◽  
Phase Field Simulation ◽  
Field Simulation ◽  
Lithium Ion Diffusion

Lithium-ion Diffusion in Solid Electrolyte Interface (SEI) Predicted by Phase Field Model

2015 ◽  
Vol 1753 ◽  
Author(s):  
Pengjian Guan ◽  
Lin Liu
Keyword(s):  
Solid Electrolyte ◽  
Phase Field ◽  
Diffusion Coefficients ◽  
Field Model ◽  
Phase Field Model ◽  
Lithium Ion ◽  
Morphology Evolution ◽  
Ion Diffusion ◽  
Sei Layer ◽  
Lithium Ion Diffusion

ABSTRACTSolid electrolyte interface (SEI) layer plays a key role in lithium-ion batteries’ degradation research. However, SEI layer microstructure prediction still needs further investigation, especially the lithium-ion diffusion in SEI layer considering its morphology evolution during the growth of SEI. Due to the unique advantage of avoiding explicitly tracking the interfaces with sharp composition gradients, a phase field model is developed to simulate the SEI formation and its morphology evolution that is regarded as a solidification process. Fick’s law and mass balance are applied to investigate lithium-ion concentration distribution and diffusion coefficients of different SEI layers (i.e., compact and porous SEI layers) predicted by the developed phase field model. The simulation results show lithium-ion diffusion coefficients between 298K and 318K are 1.34-1.87(10-16) m2/s and 1.73-2.18(10-12) m2/s for compact SEI and porous SEI layer, respectively. The developed model has great potential to be extended to three dimensional spaces for SEI layer spatial growth investigation and other interfaces with complex morphology evolution.

Phase-Field Simulation of Li-Ion Diffusion and Stress Evolution in Cathode Materials in NCA-Type Li-Ion Batteries

2020 ◽  
Vol MA2020-02 (68) ◽  
pp. 3544-3544
Author(s):  
Akinori Yamanaka ◽  
Hajime Endo ◽  
Mitsunori Nakamoto ◽  
Kikou Yamaguchi ◽  
Hideyuki Kamisaka ◽  
...  
Keyword(s):  
Phase Field ◽  
Cathode Materials ◽  
Li Ion Batteries ◽  
Stress Evolution ◽  
Ion Diffusion ◽  
Phase Field Simulation ◽  
Field Simulation ◽  
Li Ion

Phase-field simulation of dose rate effect on the Cu precipitation with neutron irradiation

2021 ◽  
Vol 23 (7) ◽  
pp. 4217-4229
Author(s):  
Shahid Maqbool ◽  
Yongsheng Li ◽  
Suleman Muhammad ◽  
Zhengwei Yan ◽  
Shujing Shi
Keyword(s):  
Dose Rate ◽  
Neutron Irradiation ◽  
Phase Field ◽  
Volume Fraction ◽  
Rate Effect ◽  
Phase Field Simulation ◽  
Field Simulation ◽  
Cu Alloys ◽  
Dose Rate Effect

Radiation-enhanced precipitation (REP) in Fe–Cu alloys results in higher volume fraction and radius of Cu precipitates.

Sign in / Sign up

Export Citation Format

Share Document