Journal article
Ion Structure Transition Enhances Charging Dynamics in Subnanometer Pores
ACS nano, v 14(2), pp 2395-2403
25 Feb 2020
PMID: 31999427
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Using electrodes with subnanometer pores and ionic liquid electrolytes can improve the charge storage capacity at the expense of the charging rate. The fundamental understanding of the charging dynamics of nanoporous electrodes can help to avoid compromising the power density. In this work, we performed molecular dynamics simulations to reveal the charging mechanism of subnanometer pores in ionic liquids. Different from the traditional view that a smaller pore results in slower charging, a non-monotonic relation is found between the charging rate and pore size, in which the charging process is accelerated in some subnanometer pores. Our analysis uncovers that the mechanism of the charging enhancement can be attributed to the transition of in-pore ion structure.
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Details
- Title
- Ion Structure Transition Enhances Charging Dynamics in Subnanometer Pores
- Creators
- Tangming Mo - Huazhong University of Science and TechnologySheng Bi - Huazhong University of Science and TechnologyYuan Zhang - Saarland UniversityVolker Presser - Saarland UniversityXuehang Wang - Department of Materials Science and Engineering, A. J. Drexel Nanomaterials InstituteYury Gogotsi - Department of Materials Science and Engineering, A. J. Drexel Nanomaterials InstituteGuang Feng - Huazhong University of Science and Technology
- Publication Details
- ACS nano, v 14(2), pp 2395-2403
- Publisher
- American Chemical Society; Washington, DC
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; College of Engineering; A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:000518024700106
- Scopus ID
- 2-s2.0-85081175462
- Other Identifier
- 991014969776304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology