article · Sustainability
Electric vehicles face operational challenges when relying on a single power source to satisfy dynamic driving demands and range requirements. To deliver both high energy density and high power density, a hybrid energy storage system pairing chemical batteries with ultracapacitors offers an alternative architecture. This configuration was evaluated for low-power electric vehicle active power management using simulations in a MATLAB and Simulink environment under diverse dynamic loading situations. The resulting model successfully regulates the direct current link voltage of the vehicle across changing conditions. In addition, the hybrid arrangement minimises dynamic load stress placed on the chemical battery. By shielding the battery from severe power spikes, the simulated system supports extended battery longevity, lowers operational costs, and delivers an increase in vehicle range on a single charge.
Electric vehicle adoption relies heavily on overcoming limited driving range and high battery replacement costs. Single-source battery setups often degrade prematurely when subjected to frequent, sharp power demands during driving. Using ultracapacitors to absorb these dynamic power surges protects the battery, offering a viable route to make lightweight electric transportation more reliable, durable, and economical for everyday users.
This research is relevant to electric vehicle powertrain designers and power management systems developers working on low-power electric cars. Based on the abstract, the work is at an early simulation stage, having been tested purely in software models. Real-world commercialisation will require physical hardware-in-the-loop testing and vehicle prototypes to prove that the simulated battery life preservation and range gains hold up under actual operating conditions.
AI-generated from the published abstract. Always read the original work before citing.
The electrical energy storage system faces numerous obstacles as green energy usage rises. The demand for electric vehicles (EVs) is growing in tandem with the technological advance of EV range on a single charge. To tackle the low-range EV problem, an effective electrical energy storage device is necessary. Traditionally, electric vehicles have been powered by a single source of power, which is insufficient to handle the EV’s dynamic demand. As a result, a unique storage medium is necessary to meet the EV load characteristics of high-energy density and high-power density. This EV storage system is made up of two complementing sources: chemical batteries and ultracapacitors/supercapacitors. The benefits of using ultracapacitors in a hybrid energy storage system (HESS) to meet the low-power electric car dynamic load are explored in this study. In this paper, a HESS technique for regulating the active power of low-powered EV simulations was tested in a MATLAB/Simulink environment with various dynamic loading situations. The feature of this design, as noted from the simulation results, is that it efficiently regulates the DC link voltage of an EV with a hybrid source while putting minimal load stress on the battery, resulting in longer battery life, lower costs, and increased vehicle range.
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DOI: 10.3390/su14020776
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