DrJorge Varela Barreras
Honorary Research Fellow
Department of Civil and Environmental Engineering - Faculty of Engineering
- Honorary Research FellowDepartment of Civil and Environmental Engineering - Faculty of Engineering
- 409, City and Guilds Building, South Kensington Campus, United Kingdom
RESEARCH
AREAS OF EXPERTISE
Electrochemical batteries, with focus on lead acid & Li-ion
Energy storage systems and e-mobility
Renewables, with focus on solar PV and wind power
Battery thermal management
Battery management systems
HV battery pack design and testing
Battery modelling
Battery states estimation
Derating, balancing and hybridization methods
Battery and electric vehicle safety
Electric vehicle and battery architectures
MAIN RESEARCH CONTRIBUTIONS
• Pioneering work in datasheet-based modelling of batteries
[1] J. V. Barreras, E. Schaltz, S. J. Andreasen, and T. Minko, “Datasheet-based modeling of Li-Ion batteries,” in 2012 IEEE Vehicle Power and Propulsion Conference, VPPC 2012, 2012, pp. 830–835.
• Invention of a new gen of battery balancing systems
[2] J. V. Barreras, C. Pinto, R. De Castro, E. Schaltz, S. J. Andreasen, and R. E. Araújo, “Multi-objective control of balancing systems for li-ion battery packs: A paradigm shift?” in 2014 IEEE Vehicle Power and Propulsion Conference (VPPC), 2014.[3] R. De Castro, C. Pinto, J. Varela Barreras, R. E. Araujo, and D. A. Howey, “Smart and Hybrid Balancing System: Design, Modeling, and Experimental Demonstration,” IEEE Trans. Veh. Technol., vol. 68, no. 12, pp. 11449–11461, Dec. 2019.
• Novel real-time control methods for a new gen of balancing systems
[4] J. V. Barreras, R. de Castro, Y. Wan, T. Dragicevic, "A consensus-based distributed algorithm for multi-functional battery balancing," Energies, 14, 4279, 2021.[5] R. de Castro, H. Pereira, R. E. Araujo, J. V. Barreras, "qTSL: a Multi-Layer Control Framework for Managing Capacity, Temperature, Stress and Losses in Hybrid Balancing Systems," IEEE Trans. on Control Systems Technology, 2021.
• New EV architecture with swappable packs
[6] J. V. Barreras et al., “Evaluation of a Novel BEV Concept Based on Fixed and Swappable Li-Ion Battery Packs,” IEEE Trans. Ind. Appl., vol. 52, no. 6, pp. 5073–5085, Nov. 2016.
• Pioneering works in BMS testing on hardware-in-the-loop
[7] J. V. Barreras et al., “An Advanced HIL Simulation Battery Model for Battery Management System Testing,” IEEE Trans. Ind. Appl., vol. 52, no. 6, pp. 5086–5099, Nov. 2016.[8] J. V. Barreras et al., “Functional analysis of battery management systems using multi-cell HIL simulator,” in 2015 10th International Conference on Ecological Vehicles and Renewable Energies, EVER 2015, 2015.
• Pioneering work in Li-ion cell-tab design[9] S. Li et al., “Optimal cell tab design and cooling strategy for cylindrical lithium-ion batteries,” J. Power Sources, Volume 492, 30 April 2021, 229594, April 2021.
• Novel degradation-aware battery derating framework with potential to duplicate battery lifetime and become the new industry standard
[10] M. Schimpe, J. V. Barreras, B. Wu, G. J. Offer, "Battery Degradation-Aware Current Derating: An Effective Method to Prolong Lifetime and Ease Thermal Management," 2021 J. Electrochem. Soc. 168 060506.
• Critical reviews on battery safety, battery thermal model parameters, battery derating, and battery pre-heating methods:
[11] M. Steinhardt, J. V Barreras, H. Ruan, B. Wu, G. J. Offer, A. Jossen, "Meta-analysis of experimental results for heat capacity and thermal conductivity in lithium-ion batteries: A critical review," J. of Power Sources, Vol. 522, pp. 230829, 2022.
[12] L. Bravo Diaz et al., “Review—Meta-Review of Fire Safety of Lithium-Ion Batteries: Industry Challenges and Research Contributions,” J. Electrochem. Soc., vol. 167, no. 9, p. 090559, Aug. 2020.
[13] H. Ruan, J. V. Barreras, T. Engstrom, Y. Merla, R. Millar, B. Wu, "Lithium-ion battery lifetime extension: A review of derating methods," J. of Power Sources 563, 232805, 2023.
[14] H. Ruan, J.V. Barreras, M. Steinhardt, A. Jossen, G.J. Offer, B. Wu, "The heating triangle: A quantitative review of self-heating methods for lithium-ion batteries at low temperatures," J. of Power Sources 581, 233484, 2023.
PUBLICATION RECORD
16 journal articles, 80% in top 10% journals, 10 from 2021.
20 articles in peer-reviewed conferences
2 book chapters, one on Elsevier Engineering Encyclopaedia
+3,000 followers in LinkedIn, +1,000 Research Interest in Research Gate (93th pct.), +85k reads and +200 recommendations in ResearchGate, +1,000 citations in Google Scholar, h-index 16, i10-index 26.
Electrochemical batteries, with focus on lead acid & Li-ion
Energy storage systems and e-mobility
Renewables, with focus on solar PV and wind power
Battery thermal management
Battery management systems
HV battery pack design and testing
Battery modelling
Battery states estimation
Derating, balancing and hybridization methods
Battery and electric vehicle safety
Electric vehicle and battery architectures
MAIN RESEARCH CONTRIBUTIONS
• Pioneering work in datasheet-based modelling of batteries
[1] J. V. Barreras, E. Schaltz, S. J. Andreasen, and T. Minko, “Datasheet-based modeling of Li-Ion batteries,” in 2012 IEEE Vehicle Power and Propulsion Conference, VPPC 2012, 2012, pp. 830–835.
• Invention of a new gen of battery balancing systems
[2] J. V. Barreras, C. Pinto, R. De Castro, E. Schaltz, S. J. Andreasen, and R. E. Araújo, “Multi-objective control of balancing systems for li-ion battery packs: A paradigm shift?” in 2014 IEEE Vehicle Power and Propulsion Conference (VPPC), 2014.[3] R. De Castro, C. Pinto, J. Varela Barreras, R. E. Araujo, and D. A. Howey, “Smart and Hybrid Balancing System: Design, Modeling, and Experimental Demonstration,” IEEE Trans. Veh. Technol., vol. 68, no. 12, pp. 11449–11461, Dec. 2019.
• Novel real-time control methods for a new gen of balancing systems
[4] J. V. Barreras, R. de Castro, Y. Wan, T. Dragicevic, "A consensus-based distributed algorithm for multi-functional battery balancing," Energies, 14, 4279, 2021.[5] R. de Castro, H. Pereira, R. E. Araujo, J. V. Barreras, "qTSL: a Multi-Layer Control Framework for Managing Capacity, Temperature, Stress and Losses in Hybrid Balancing Systems," IEEE Trans. on Control Systems Technology, 2021.
• New EV architecture with swappable packs
[6] J. V. Barreras et al., “Evaluation of a Novel BEV Concept Based on Fixed and Swappable Li-Ion Battery Packs,” IEEE Trans. Ind. Appl., vol. 52, no. 6, pp. 5073–5085, Nov. 2016.
• Pioneering works in BMS testing on hardware-in-the-loop
[7] J. V. Barreras et al., “An Advanced HIL Simulation Battery Model for Battery Management System Testing,” IEEE Trans. Ind. Appl., vol. 52, no. 6, pp. 5086–5099, Nov. 2016.[8] J. V. Barreras et al., “Functional analysis of battery management systems using multi-cell HIL simulator,” in 2015 10th International Conference on Ecological Vehicles and Renewable Energies, EVER 2015, 2015.
• Pioneering work in Li-ion cell-tab design[9] S. Li et al., “Optimal cell tab design and cooling strategy for cylindrical lithium-ion batteries,” J. Power Sources, Volume 492, 30 April 2021, 229594, April 2021.
• Novel degradation-aware battery derating framework with potential to duplicate battery lifetime and become the new industry standard
[10] M. Schimpe, J. V. Barreras, B. Wu, G. J. Offer, "Battery Degradation-Aware Current Derating: An Effective Method to Prolong Lifetime and Ease Thermal Management," 2021 J. Electrochem. Soc. 168 060506.
• Critical reviews on battery safety, battery thermal model parameters, battery derating, and battery pre-heating methods:
[11] M. Steinhardt, J. V Barreras, H. Ruan, B. Wu, G. J. Offer, A. Jossen, "Meta-analysis of experimental results for heat capacity and thermal conductivity in lithium-ion batteries: A critical review," J. of Power Sources, Vol. 522, pp. 230829, 2022.
[12] L. Bravo Diaz et al., “Review—Meta-Review of Fire Safety of Lithium-Ion Batteries: Industry Challenges and Research Contributions,” J. Electrochem. Soc., vol. 167, no. 9, p. 090559, Aug. 2020.
[13] H. Ruan, J. V. Barreras, T. Engstrom, Y. Merla, R. Millar, B. Wu, "Lithium-ion battery lifetime extension: A review of derating methods," J. of Power Sources 563, 232805, 2023.
[14] H. Ruan, J.V. Barreras, M. Steinhardt, A. Jossen, G.J. Offer, B. Wu, "The heating triangle: A quantitative review of self-heating methods for lithium-ion batteries at low temperatures," J. of Power Sources 581, 233484, 2023.
PUBLICATION RECORD
16 journal articles, 80% in top 10% journals, 10 from 2021.
20 articles in peer-reviewed conferences
2 book chapters, one on Elsevier Engineering Encyclopaedia
+3,000 followers in LinkedIn, +1,000 Research Interest in Research Gate (93th pct.), +85k reads and +200 recommendations in ResearchGate, +1,000 citations in Google Scholar, h-index 16, i10-index 26.