Williams Agyei Appiah has experience in battery modeling and simulation research from DGIST, South Korea (PhD) and Technical University of Denmark (Postdoc). His research activities focus on merging fundamental science and engineering applications of electrochemical devices such as lithium ion and next-generation batteries with work including continuum physics-based modeling, understanding (dis) charging mechanisms, elucidating degradation mechanisms, innovative electrode/cell design optimization, data mining tools and fast predictive models for inverse design.
At the University of Agder, he combines his research and teaching experience to educate and inspire the next generation in battery technology, conducts battery research and design modeling tools to accelerate battery development at the Battery Coast.
Lithium-Ion Batteries, Electrode-level Modelling and Simulation of Batteries, Parameterization of Electrochemical Models, Thermal Modelling of Batteries, Development of Fast Predictive Battery Models, Battery Data Mining and Analysis, Modelling of Battery Ageing Mechanisms
09/2022 - 02/2024: Postdoctoral Researcher
Autonomous Materials Discovery Section
Department of Energy Conversion and Storage, DTU, Denmark
09/2020 - 09/2022: Postdoctoral Researcher
Atomic Scale Materials Modelling
Department of Energy Conversion and Storage, DTU, Denmark
02/2017 - 08/2020: Ph.D. Energy Science and Engineering
DGIST, Daegu, South Korea
08/2015 - 02/2017: Research Assistant
Energy United Laboratory
Department of Chemical and Biotechnology
HBNU, Daejeon, South Korea
08/2013 - 08/2015: M. Eng. Applied Chemistry
HBNU, Daejeon, South Korea
08/2012 - 08/2013: Teaching Assistant
Department of Chemical Engineering, KNUST, Kumasi, Ghana
08/2008 - 08/2012: B. Sc. Chemical Engineering
KNUST, Kumasi, Ghana
W. A. Appiah, J. Park, L. V. Khue, Y. Lee, J. Choi, M.-H. Ryou and Y. M. Lee. Comparative study on experiments and simulation of blended cathode active materials for Li ion batteries, Electrochemica Acta, 187 (2016) 422-432.
W. A. Appiah, J. Park, S. Byun, I. Cho, A. Mozer, M.-H. Ryou and Y. M. Lee. A coupled chemo-mechanical model to study the effects of adhesive strength on the electrochemical performance of silicon electrodes for advanced Li ion batteries, Journal of Power Sources, 407 (2018) 153-161.
W.A. Appiah, M.-H. Ryou and Y. M. Lee. A Physics-Based Model Capacity Fade Analysis of LiMn2O4/Graphite Cell at Different Temperatures, Journal of the Electrochemical Society, (2019) 166(3) A5109-A5116.
W. A. Appiah, D. Kim, J. Song, M.-H. Ryou and Y. M. Lee. Understanding the Effect of Polydopamine Interlayer on the Long-term Cycling Performance of Silicon Anodes: A Multiphysics-Based Model Study, Batteries & Supercaps, 2 (2019) 541-55. (Selected as a Very Important Paper and Cover Image)
W. A. Appiah, Y. Roh, C. B. Dzakpasu, M.-H. Ryou and Y. M. Lee. Design of thin-film interlayer between silicon electrode and current collector using a chem-mechanical degradation model, Journal of the electrochemical society, 167 (2020) 080542
W. A. Appiah, H. Li, J. Lampkin, and JM. Garcia-Lastra. Towards understanding aluminum sulfur batteries with imidazolium-based electrolytes: A phenomenological model, Journal of Power Sources, 529 (2022) 231254
W. A. Appiah, J. Busk, T. Vegge, and A. Bhowmik. Sensitivity analysis methodology for battery degradation models, Electrochimica Acta, 439 (2023) 141430
W. A. Appiah, L. H. Rieger, E. Flores. Vegge, and A. Bhowmik. Unravelling degradation mechanisms and overpotential sources in aged and non-aged batteries: A non-invasive diagnosis, Journal of Energy Storage, 84 (2024) 111000
Last changed: 28.02.2024 09:02