Research output per year
Research output per year
Personal profile
Biography
Dr. Haijun Ruan is Assistant Professor of Battery Systems at Coventry University and Visiting Researcher at Imperial College London. He works with Dr. Taz Amietszajew, Prof. Yue Guo, Dr. Cheng Zhang, and Prof. Rohit Bhagat on multiple research projects at Centre for Advanced Low Carbon Propulsion Systems (C-ALPS) at Coventry University.
He obtained the PhD (2019) and Bachelor (2014) degrees in electrical engineering at Beijing Jiaotong University, China. During his PhD period, he was a visiting student researcher with Purdue University, West Lafayette, USA, in 2018. His PhD research activities mainly focused on the modeling, low-temperature heating, and charging for lithium-ion batteries in electric vehicles and energy storage systems. He got Merit Student of Beijing (2014), National Scholarship (2013, 2014, 2016, and 2018), and Zhixing scholarship (top scholarship for postgraduate students at Beijing Jiaotong University, 2019).
In early 2020, he came to the UK to join the University of Southampton as a Research Fellow. In Aug. 2020, he joined the Dyson School of Design Engineering as a Research Associate, working with Dr. Billy Wu, Prof. Gregory Offer, and Dr. Huizhi Wang on multiple research projects at Electrochemical Science & Engineering (ESE) group at Imperial College London. He was supported by the Faraday Institution Industry Fellowship, which allowed him to translate his work on battery diagnostics and control into real-world applications, with the goal of extending battery lifetime.
Research Interests
Dr. Haijun Ruan focuses on lithium-ion battery, AI/machine learning, and fuel cells, including:
- Modelling (Electrical, Electrochemical, Thermal & Degradation)
- Thermal management (Preheating, & Cooling)
- Fast charging
- Diagnostics & Prognostics
- Lifetime extension (Derating)
- Digital twin
- Smart batteries
He sits on the editorial board of the Journal of Power and Energy and the topical advisory panel of the World Electric Vehicle Journal. He acted as the guest editor for several journals, such as Frontiers in Energy Research, Energies, and World Electric Vehicle Journal.
Vision Statement
Dr. Haijun Ruan aims to conduct energy storage research from the fundamental science to integration and systems engineering, aiming at investigating the problems that tend to emerge in real-world applications
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Electrical Engineering, Doctorate, Optimal heating and charging methods for lithium-ion batteries under the low-temperature environment , Beijing Jiaotong University
2014 → 2019
Award Date: 9 Oct 2019
External positions
Visiting Researcher, Imperial College London
Mar 2023 → …
Research Associate, Imperial College London
Aug 2020 → Feb 2023
Research Fellow, University of Southampton
Feb 2020 → Aug 2020
Keywords
- TL Motor vehicles. Aeronautics. Astronautics
- Electric Vehicles
- Lithium ion battery
- TK Electrical engineering. Electronics Nuclear engineering
- Energy systems
- TA Engineering (General). Civil engineering (General)
- Artificial Intelligence
- Machine Learning
- Deep learning
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Collaborations and top research areas from the last five years
External collaboration on country/territory level for the past five years. Dive into details by clicking on the dots or
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Generalised diagnostic framework for rapid battery degradation quantification with deep learning
Ruan, H., Chen, J., Ai, W. & Wu, B., Aug 2022, In: Energy and AI. 9, 13 p., 100158.Research output: Contribution to journal › Article › peer-review
Open AccessFile48 Citations (Scopus)66 Downloads (Pure) -
Lithium-ion battery lifetime extension: A review of derating methods
Ruan, H., Barreras, J. V., Engstrom, T., Merla, Y., Millar, R. & Wu, B., 15 Apr 2023, In: Journal of Power Sources. 563, 232805.Research output: Contribution to journal › Review article › peer-review
27 Citations (Scopus) -
Optimal switching temperature for multi-objective heated-charging of lithium-ion batteries at subzero temperatures
Ruan, H., Sun, B., Jiang, J., Su, X., He, X., Ma, S. & Gao, W., 1 Apr 2023, In: Journal of Power Sources. 562, 232775.Research output: Contribution to journal › Article › peer-review
5 Citations (Scopus) -
A modified-electrochemical impedance spectroscopy-based multi-time-scale fractional-order model for lithium-ion batteries
Ruan, H., Sun, B., Jiang, J., Zhang, W., He, X., Su, X., Bian, J. & Gao, W., 20 Oct 2021, In: Electrochimica Acta. 394, 139066.Research output: Contribution to journal › Article › peer-review
63 Citations (Scopus) -
Compound self-heating strategies and multi-objective optimization for lithium-ion batteries at low temperature
Ruan, H., Sun, B., Zhu, T., He, X., Su, X., Cruden, A. & Gao, W., 5 Mar 2021, In: Applied Thermal Engineering. 186, 116158.Research output: Contribution to journal › Article › peer-review
37 Citations (Scopus)