Modeling framework for multiphysics-multiscale behavior of Si–C composite anode
Journal Article
·
· Journal of Power Sources
- Univ. of North Carolina, Charlotte, NC (United States); Univ. of North Carolina, Charlotte, NC (United States). Vehicle Energy & Safety Lab. (VESL), North Carolina Motorsports and Automotive Research Center
- Argonne National Lab. (ANL), Argonne, IL (United States)
To achieve the urgent requirement for high energy density in lithium-ion batteries, Si-C composite anode has been spotlighted as one of the most promising alternatives for next-generation batteries. Additionally, a comprehensive computational model is indispensable in the developing process of the excellent performance of anode material due to the low-realizability, inconvenience, and high-cost of experiments. Herein, a simultaneous multiphysics-multiscale model aiming at the Si-C composite anode was developed. This model was then used to study the effects of Si percentage, mechanical constraint and charging rate in terms of electrochemical and mechanical performances. A better design to achieve high capacity was proposed based on the computational results. Results provide a powerful tool in the design, development, and evaluation of high energy density lithium-ion batteries.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1761407
- Journal Information:
- Journal of Power Sources, Journal Name: Journal of Power Sources Vol. 449; ISSN 0378-7753
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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