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Electric-field-enhanced ionic diffusivity in electrolytes: A model study

Title
Electric-field-enhanced ionic diffusivity in electrolytes: A model study
Author
정두석
Keywords
Electrolyte; Drift-diffusion; First-order approximation; NANOIONICS
Issue Date
2012-09
Publisher
한국물리학회
Citation
THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY,Vol.61 No.6 [2012],p913-919(7쪽)
Abstract
The time-dependent redistribution of mobile <i>A<sup>z+</usp></i> cations and <i>X<sp>z?</sup></i> anions in a AX solid electrolyte was calculated by solving the drift-diffusion equation. In this calculation, no first-order approximation was employed because a breakdown of the first-order approximation (FOA) probably takes place when the gradient of the chemical and/or the electrostatic potential in the electrolyte is high. Moreover, the differential diffusivity and mobility of the ions were evaluated in the electrolyte under various conditions. The calculated results were compared with those of FOA-based calculations.
URI
http://link.springer.com/article/10.3938%2Fjkps.61.913http://hdl.handle.net/20.500.11754/41426
ISSN
0374-4884
DOI
10.3938/jkps.61.913
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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