A new battery-charging method suggested by molecular dynamics simulations

Based on large-scale molecular dynamics simulations, we propose a new charging method that should be capable of charging a lithium-ion battery in a fraction of the time needed when using traditional methods. This charging method uses an additional applied oscillatory electric field. Our simulation r...

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Bibliographic Details
Published inPhysical chemistry chemical physics : PCCP Vol. 12; no. 11; pp. 2740 - 2743
Main Authors ABOU HAMAD, Ibrahim, NOVOTNY, M. A, WIPF, D. O, RIKVOLD, P. A
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.01.2010
Subjects
Chemistry
Exact sciences and technology
General and physical chemistry
Chemical reduction
Electric field
Electrolyte
Energy
Simulation
Molecular dynamics method
Diffusion
Lithium ion
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Summary:Based on large-scale molecular dynamics simulations, we propose a new charging method that should be capable of charging a lithium-ion battery in a fraction of the time needed when using traditional methods. This charging method uses an additional applied oscillatory electric field. Our simulation results show that this charging method offers a great reduction in the average intercalation time for Li(+) ions, which dominates the charging time. The oscillating field not only increases the diffusion rate of Li(+) ions in the electrolyte but, more importantly, also enhances intercalation by lowering the corresponding overall energy barrier.
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ISSN:1463-9076
1463-9084
DOI:10.1039/b920970k