基于分子动力学模拟的电池充电新方法
A new battery-charging method suggested by molecular dynamics simulations
摘要：
基于大规模的分子动力学模拟，我们提出了一种新的充电方法，应该能够在使用传统方法时所需的时间的一小部分充电锂离子电池。该充电方法使用附加的施加振荡电场。我们的模拟结果表明，这种充电方法提供了一个大大减少的平均嵌入时间的Li+离子，这占主导地位的充电时间。振荡场不仅增加了Li+离子在电解质中的扩散速率，而且更重要的是，还通过降低相应的总能量势垒来增强嵌入。
英文摘要：
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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