Electric-field-enhanced ionic diffusivity in electrolytes: A model study
- Authors
- Jeong, Doo Seok; Kim, Inho; Lee, Taek Seong; Lee, Wook Seong; Lee, Kyeong-Seok
- Issue Date
- Sep-2012
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Electrolyte; Drift-diffusion; First-order approximation
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.61, no.6, pp.913 - 919
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 61
- Number
- 6
- Start Page
- 913
- End Page
- 919
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/164673
- DOI
- 10.3938/jkps.61.913
- ISSN
- 0374-4884
- Abstract
- The time-dependent redistribution of mobile Az+ cations and Xz 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.
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