A new battery-charging method suggested by molecular dynamics simulations

Details A new battery-charging method suggested by molecular dynamics simulations A new battery-charging method suggested by molecular dynamics simulations

2010-03-08

arxiv.org/abs/1003.1678v1

Phys. Chem. Chem. Phys. 12, 2740-2743 (2010). The Cover Paper in the March 21, 2010, issue of this journal.

Physics

Chemical Physics

11 pages, 5 figures

Scientific paper

10.1039/b920970k

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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