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Article

Hybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage

Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
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Academic Editors: Gianfranco Chicco and Mario Marchesoni
Energies 2021, 14(20), 6553; https://doi.org/10.3390/en14206553
Received: 3 February 2021 / Revised: 4 August 2021 / Accepted: 12 August 2021 / Published: 12 October 2021
(This article belongs to the Special Issue Advanced Electric Vehicle Techniques)
In this paper, a distributed energy storage design within an electric vehicle for smarter mobility applications is introduced. Idea of body integrated super-capacitor technology, design concept and its implementation is proposed in the paper. Individual super-capacitor cells are connected in series or parallel to form a string connection of super-capacitors with the associated management unit to form a panel. These super-capacitor panels are shaped to fit the alternative concept of vehicle design, and it solves the design issues and prepares for configurable electric vehicles. Body integration of super-capacitors enhances the acceleration, and regenerative braking performances of the electric vehicle increases the operating life of the Li-ion battery and improves space utilization by giving more area for the main energy source, the Li-ion battery. Integrating super-capacitor into the car body involves special packaging technology to minimize space and promotes distributed energy storage within a vehicle. This pioneering design encourages future configurable electric vehicles. Model of both the Li-ion battery and the super-capacitor employed is studied with its series internal resistance determined at various C-rates. Loss and the efficiency analysis of the bi-directional converter, traits of body integrated super-capacitors system and control of the interleaved bi-directional converter to regulate the power-sharing in the hybrid energy storage system is presented. View Full-Text
Keywords: hybrid energy storage; interleaved converter; Li-ion; super-capacitor; ultra-capacitor; distributed energy storage; configurable EV; electric vehicle hybrid energy storage; interleaved converter; Li-ion; super-capacitor; ultra-capacitor; distributed energy storage; configurable EV; electric vehicle
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MDPI and ACS Style

Raman, S.R.; Cheng, K.-W.; Xue, X.-D.; Fong, Y.-C.; Cheung, S. Hybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage. Energies 2021, 14, 6553. https://doi.org/10.3390/en14206553

AMA Style

Raman SR, Cheng K-W, Xue X-D, Fong Y-C, Cheung S. Hybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage. Energies. 2021; 14(20):6553. https://doi.org/10.3390/en14206553

Chicago/Turabian Style

Raman, Sekhar R., Ka-Wai Cheng, Xiang-Dang Xue, Yat-Chi Fong, and Simon Cheung. 2021. "Hybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage" Energies 14, no. 20: 6553. https://doi.org/10.3390/en14206553

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