SAKTI LAB

Molecular Simulation Laboratory

Development of Divide-and-Conquer Density-Functional Tight-Binding Method for Theoretical Research on Li-ion Battery.


Journal article


Chien‐Pin Chou, A. W. Sakti, Y. Nishimura, H. Nakai
Chemical record, 2018

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APA   Click to copy
Chou, C. P., Sakti, A. W., Nishimura, Y., & Nakai, H. (2018). Development of Divide-and-Conquer Density-Functional Tight-Binding Method for Theoretical Research on Li-ion Battery. Chemical Record.


Chicago/Turabian   Click to copy
Chou, Chien‐Pin, A. W. Sakti, Y. Nishimura, and H. Nakai. “Development of Divide-and-Conquer Density-Functional Tight-Binding Method for Theoretical Research on Li-Ion Battery.” Chemical record (2018).


MLA   Click to copy
Chou, Chien‐Pin, et al. “Development of Divide-and-Conquer Density-Functional Tight-Binding Method for Theoretical Research on Li-Ion Battery.” Chemical Record, 2018.


BibTeX   Click to copy

@article{chien2018a,
  title = {Development of Divide-and-Conquer Density-Functional Tight-Binding Method for Theoretical Research on Li-ion Battery.},
  year = {2018},
  journal = {Chemical record},
  author = {Chou, Chien‐Pin and Sakti, A. W. and Nishimura, Y. and Nakai, H.}
}

Abstract

The density-functional tight-binding (DFTB) method is one of the useful quantum chemical methods, which provides a good balance between accuracy and computational efficiency. In this account, we reviewed the basis of the DFTB method, the linear-scaling divide-and-conquer (DC) technique, as well as the parameterization process. We also provide some refinement, modifications, and extension of the existing parameters that can be applicable for lithium-ion battery systems. The diffusion constants of common electrolyte molecules and LiTFSA salt in solution have been estimated using DC-DFTB molecular dynamics simulation with our new parameters. The resulting diffusion constants have good agreement to the experimental diffusion constants.


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