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Youngseok Jee

University of South Carolina

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Publication

Featured researches published by Youngseok Jee.

Journal of Materials Chemistry | 2015

Amorphous Na2Si2O5 as a fast Na+ conductor: an ab initio molecular dynamics simulation

Xueling Lei; Youngseok Jee; Kevin Huang

The present work uses the ab initio molecular dynamics (AIMD) methodology to simulate ionic transport in amorphous and crystalline Na2Si2O5 from 573 to 973 K. The results suggest that amorphous Na2Si2O5 is primarily a Na+ conductor with negligible O2− and Si4+ contributions to ionic conduction, whereas crystalline Na2Si2O5 is virtually an electrical insulator. The favorable pathway for Na+ transport in amorphous Na2Si2O is along the two-dimensional channels formed by the SiO4 tetrahedral layers. The disrupted Na–O coulombic attraction by the long-range disorder in amorphous Na2Si2O5 contributes to the enhanced Na+ conduction.

Chemical Communications | 2015

On the cause of conductivity degradation in sodium strontium silicate ionic conductor

Youngseok Jee; Xuan Zhao; Kevin Huang

Journal of the American Ceramic Society | 2016

Phase Relationship and Ionic Conductivity in Na–SrSiO 3 Ionic Conductor

Youngseok Jee; Xuan Zhao; Xueling Lei; Kevin Huang

Chemical Science | 2016

On the origin of high ionic conductivity in Na-doped SrSiO3

Po-Hsiu Chien; Youngseok Jee; Chen Huang; Riza Dervişoğlu; Ivan Hung; Zhehong Gan; Kevin Huang; Yan-Yan Hu

Chemical Communications | 2016

Stabilizing a high-temperature electrochemical silver-carbonate CO2 capture membrane by atomic layer deposition of a ZrO2 overcoat

Peng Zhang; Jingjing Tong; Youngseok Jee; Kevin Huang

Journal of Physical Chemistry C | 2017

Stretching Epitaxial La0.6Sr0.4CoO3−δ for Fast Oxygen Reduction

Dongkyu Lee; Ryan Jacobs; Youngseok Jee; S. S. Ambrose Seo; Changhee Sohn; Anton V. Ievlev; Olga S. Ovchinnikova; Kevin Huang; Dane Morgan; Ho Nyung Lee

Solid State Ionics | 2016

Crystallization of amorphous Na2Si2O5 as a Na-ion conductor

Youngseok Jee; Po-Hsiu Chien; Esteban Villarreal; Yan-Yan Hu; Kevin Huang

Current Applied Physics | 2016

On the reduced electrical conductivity of radio-frequency sputtered doped ceria thin film by elevating the substrate temperature

Sanghoon Ji; Jihwan An; Dong Young Jang; Youngseok Jee; Joon Hyung Shim; Suk Won Cha

Solid State Ionics | 2018

Determining Na+ transport number in Na2Si2O5 glass with Na concentration cell

Nansheng Xu; Jie Wang; Youngseok Jee; Kevin Huang

PRiME 2016/230th ECS Meeting (October 2-7, 2016) | 2016

A Material Study on Na-SrSiO 3 Ionic Conductor

Youngseok Jee; Xuan Zhao; Kevin Huang

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Kevin Huang

University of South Carolina

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Xuan Zhao

University of South Carolina

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Jie Wang

University of South Carolina

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Jingjing Tong

University of South Carolina

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Po-Hsiu Chien

Florida State University

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Yan-Yan Hu

Florida State University

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Xueling Lei

Jiangxi Normal University

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Changhee Sohn

Seoul National University

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Dong Young Jang

Korea University

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Dongkyu Lee

KAIST

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