본문 바로가기 주메뉴 바로가기

People

Members

home > People > Members

Williams Agyei Appiah Ph.D. Candidate

  • Phone : +82-10-4517-0773
  • E-mail : williams(at)dgist.ac.kr

Introduction

Education

KNUST, Dept. Chemical Engineering (B.S., '12)

Hanbat National University, Dept. Applied Chemistry & Chemical Engineering (M.S., '15)

Hanbat National University, Dept. Chemical & Biological Engineering (Ph.D., '16~'17)

DGIST, Dept. Energy Science and Engineering (Ph.D., '17~)

 

Research Field

Electrode Design and Optimization

Cycle Life Prediction Model


Publications

13. Time-effective accelerated cyclic aging analysis of lithium ion batteriesChemElectroChem, 6 (2019) 2714-1725 

Williams Agyei Appiah, Joonam Park, Seoungwoo Byun, Youngjoon Roh, Myung-Hyun Ryou*, and Yong Min Lee*

 

12. 3D Electrochemical Model for a Single Secondary Particle and its Application for Operando AnalysisNano Energy, 62, (2019) 810-817

Jihun Song†, Joonam Park†, Williams Agyei Appiah, Sung-Soo Kim, Hirokazu Munakata, Kiyoshi Kanamura, Myung-Hyun Ryou*, and Yong Min Lee*

 

11. Electrode Design Methodology for All-solid-state Batteries: 3D Structural Analysis and Performance Prediction, Energy Storage Materials, 19 (2019) 124-129

Joonam Park, Dohwan Kim, Williams Agyei Appiah, Jihun Song, Kyung Taek Bae, Kang Taek Lee, Jimin Oh, Ju Young Kim, Young-Gi Lee, Myung-Hyun Ryou*, and Yong Min Lee*

 

10. Understanding the Effect of Polydopamine Interlayer on the Long-term Cycling Performance of Silicon Anodes: A Multiphysics-Based Model StudyBatteries & Supercaps (Accepted)

Williams Agyei Appiah, Dohwan Kim, Jihun Song, Myung-Hyun Ryou*, and Yong Min Lee*

 

9. A Review on Electrochemical Model for Predicting the Performance of Lithium Secondary BatteryJournal of the Korean Electrochemical Society, 22(1) (2019) 43-52

Seungwon Yang, Nayeon Kim, Eunsae Kim, Minhong Lim, Joonam Park, Jihun Song, Sunho Park, Williams Agyei Appiah, Myung-Hyun Ryou*, and Yong Min Lee*

 

8. A Physics-Based Model Capacity Fade Analysis of LiMn2O4/Graphite Cell at Different Temperatures, 166(3) (2019) A5109-A5116

Williams Agyei Appiah, Myung-Hyun Ryou*, and Yong Min Lee*

 

7. A coupled chemo-mechanical model to study the effects of adhesive strength on the electrochemical performance of silicon electrodes for advanced lithium ion batteries, Journal of Power Sources, 407 (2018) 153-161

Williams Agyei Appiah, Joonam Park, Seoungwoo Byun, Inseong Cho, Attila Mozer, Myung-Hyun Ryou*, and Yong Min Lee*

 

6. Semi-empirical long-term cycle life model coupled with an electrolyte depletion function for large-format graphite/LiFePO4 lithium-ion batteries, Journal of Power Sources, 356 (2017) 257-265

Joonam Park, Williams Agyei Appiah, Seoungwoo Byun, Dahee Jin, Myung-Hyun Ryou*, and Yong Min Lee*

 

5. The effects of humidity on the self-discharge properties of Li(Ni1/3Co1/3Mn1/3)O2/graphite and LiCoO2/graphite lithium-ion batteries during storage, RSC Advances, 7 (2017) 10915-10921

Seoungwoo Byun, Joonam Park, Williams Agyei Appiah, Myung-Hyun Ryou*, and Yong Min Lee*

 

4. A mathematical model for cyclic aging of spinel LiMn2O4/Graphite Lithium-Ion cells, Journal of The Electrochemical Society, 163(13) (2016) A2757-A2767

Williams Agyei Appiah, Joonam Park, Seoungwoo Byun, Myung-Hyun Ryou*, and Yong Min Lee*

 

3. Design optimization of LiNi0.6Mn0.2O2/graphite lithium-ion cells based on simulation and experimental dataJournal of Power Sources, 319 (2016) 147-158

Williams Agyei Appiah, Joonam Park, Seonghyun Song, Seoungwoo Byun, Myung-Hyun Ryou*, and Yong Min Lee*

 

2. Comparative study on experiments and simulation of blended cathode active materials for lithium ion batteriesElectrochimica Acta, 187 (2016) 422-432

Williams Agyei Appiah, Joonam Park, Luu Van Khue, Yunju Lee, Jaecheol Choi, Myung-Hyun Ryou*, and Yong Min Lee*

 

1. Computational simulation on power prediction of lithium secondary batteries by using pulse-based measurement methods, KEPCO Journal on Electric Power and Energy, 1(1) (2015) 33-38

Joonam Park†, Seoungwoo Byun†, Williams Agyei Appiah, Sekyung Han, Jin Hyeok Choi, Myung-Hyun Ryou*, and Yong Min Lee*