Abstract
Growing consciousness of the threat posed by man-made climate change has spurred government institutions, industry, and science to find clean fuels to power economic activity. Fuel cells powered by hydrogen are one of the steps in gaining clean energy. To improve the efficiency of the fuel cell, the hybrid solutions are required. This article shows a new approach to the design and control of a hybrid energy storage system for portable applications. The methodology allows us to optimize the desired physical parameters of the elements (weight or size) in order to withstand the connected load power demand. Such an approach allows us to minimize weight, which is essential in portable systems. The methodology was proven by building a technology demonstrator. The measurements of physical objects verified the electrical parameters received during simulation and allowed a lower weight of the system, compared to the system based only on Li-ion batteries.
Highlights
The international community is trying to develop new technologies and solutions allowing a reduction in greenhouse gas production [1–7]
By applying new mathematical apparatus, the author was able to prepare methodology allowing us to estimate the size of each power source in the Hybrid Energy Storage System
The aim of this paper is to present a new approach to designing hybrid energy sources suitable for portable applications based on energy profiles with the use of the Proton Exchange Membrane (PEM)
Summary
The international community is trying to develop new technologies and solutions allowing a reduction in greenhouse gas production [1–7]. Electrical boats, cars, electrical bikes, and scooters are something we have become used to in our everyday life Such miniaturization creates new challenges regarding the mass and size of the designed systems [29–34]. The author’s algorithm is rule-based, but by considering the energy profile of the load it was possible to overcome the problem of power fluctuations. Such solutions comprise one or more power converters, several types of secondary energy sources, a fuel cell, several control loops, and protections, among other things. The aim of this paper is to present a new approach to designing hybrid energy sources suitable for portable applications based on energy profiles with the use of the Proton Exchange Membrane (PEM). Energies 2020, 13, 5147 the hybrid power system designed and build to the simulation, based on the presented mathematical model
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