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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25865
|2 doi
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|a pubmed25n0992.xml
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Inagaki, Taichi
|e verfasserin
|4 aut
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|a Electrode polarization effects on interfacial kinetics of ionic liquid at graphite surface
|b An extended lagrangian-based constant potential molecular dynamics simulation study
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 23.09.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 Wiley Periodicals, Inc.
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|a Computational models including electrode polarization can be essential to study electrode/electrolyte interfacial phenomena more realistically. We present here a constant-potential classical molecular dynamics simulation method based on the extended Lagrangian formulation where the fluctuating electrode atomic charges are treated as independent dynamical variables. The method is applied to a graphite/ionic liquid system for the validation and the interfacial kinetics study. While the correct adiabatic dynamics is achieved with a sufficiently small fictitious mass of charge, static properties have been shown to be almost insensitive to the fictitious mass. As for the kinetics study, electrical double layer (EDL) relaxation and ion desorption from the electrode surface are considered. We found that the polarization slows EDL relaxation greatly whereas it has little impact on the ion desorption kinetics. The findings suggest that the polarization is essential to estimate the kinetics in nonequilibrium processes, not in equilibrium. © 2019 Wiley Periodicals, Inc
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|a Journal Article
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|a constant potential molecular dynamics simulation
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| 650 |
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4 |
|a electrical double layer
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| 650 |
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4 |
|a electrode polarization
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| 650 |
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4 |
|a extended Lagrangian
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| 650 |
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4 |
|a graphite surface
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| 650 |
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4 |
|a interfacial kinetics
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| 650 |
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4 |
|a ion desorption
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| 650 |
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4 |
|a ionic liquid
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| 650 |
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4 |
|a molecular dynamics simulation
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| 650 |
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4 |
|a nonequilibrium processes
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| 700 |
1 |
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|a Nagaoka, Masataka
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 40(2019), 24 vom: 15. Sept., Seite 2131-2145
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnas
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| 773 |
1 |
8 |
|g volume:40
|g year:2019
|g number:24
|g day:15
|g month:09
|g pages:2131-2145
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| 856 |
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|u http://dx.doi.org/10.1002/jcc.25865
|3 Volltext
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