| Issue |
EPL
Volume 123, Number 1, July 2018
|
|
|---|---|---|
| Article Number | 14002 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/123/14002 | |
| Published online | 13 August 2018 | |
A continuum model of lithium ion transport inside graphene
1 Institute for Advanced Study, Shenzhen University - Nanshan District Shenzhen, Guangdong 518060, China
2 Department of Mathematics, City University of Hong Kong - Tat Chee Avenue, Kowloon, Hong Kong SAR
Received: 12 October 2017
Accepted: 11 July 2018
In this letter, we demonstrate the usage of a continuum equation in conjunction with Poisson equation and mean-field theory to investigate the ion transport and storage pattern of lithium ions between double-layer graphene. The majority of recent research on the ion transport for such batteries merely focuses on the effect of an external electric field acting on ions. Here, we emphasize the nanoscale mechanics of the graphene anode so that the forces between ions and the host material, and steric effects between lithium ions are incorporated. Under certain electric fields, multi-layers are formed between graphene sheets, and some related storage phenomenon is also investigated for potential applications in lithium ion battery and providing further understanding of ion transport inside biological channels.
PACS: 47.61.-k – Micro- and nano- scale flow phenomena / 03.65.Sq – Semiclassical theories and applications
© EPLA, 2018
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