Godwin Peprah

Doctoral Student at Automatic Control

Godwin K. Peprah is a PhD student in the Automatic Control research group. His research is focused on thermal control and fault prognosis of Li-ion batteries.

The safety, lifetime and performance of battery systems are heavily influenced by their thermal behaviour. Specifically, high temperature can significantly accelerate solid-electrode interface growth, one of the two dominant ageing mechanisms, and may even cause fire and explosions in the presence of thermal runaway. By contrast, low temperature has the potential to largely limit the charging/discharging performance and dramatically trigger lithium deposition, another dominant ageing mechanism. How to operate the batteries always under the best temperature profile poses a fundamental and interdisciplinary research question.

Godwin's project aims to develop an intelligent thermal management system that attains significant performance improvements as well as permits battery operation in all climates. This will be achieved through control-oriented thermal modelling, effective online monitoring and design of optimal cooling and preheating strategies.

Source: chalmers.se
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Showing 2 publications

2024

Control-Oriented 2D Thermal Modelling of Cylindrical Battery Cells for Optimal Tab and Surface Cooling

Godwin Peprah, Torsten Wik, Yicun Huang et al
Proceedings of the American Control Conference
Paper in proceeding

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Showing 3 research projects

2023–2027

E-powertrain predictive maintenance using physics informed learning (TEAMING)

Changfu Zou Automatic Control
Godwin Peprah Automatic Control
Xiaolei Bian Automatic Control
Yicun Huang Automatic Control
Albert Skegro Automatic Control
Torsten Wik Automatic Control
European Commission (EC)

2022–2025

Electric vehicle energy optimization for improved sustainability

Changfu Zou Automatic Control
Torsten Wik Automatic Control
Yizhou Zhang Automatic Control
Albert Skegro Automatic Control
Godwin Peprah Automatic Control
The Swedish Foundation for International Cooperation in Research and Higher Education (STINT)

2020–2023

Thermal modelling and fault prognosis for Li-ion battery systems

Changfu Zou Automatic Control
Torsten Wik Automatic Control
Godwin Peprah Automatic Control
Swedish Electromobility Centre

2 publications exist
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