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Hindi Enhancement of the Electric Storage Battery Using the Super Capacitance
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Copyright: © 2021 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Abstract
In case PV systems characterized by high peak power requests, the battery system is usually the most expensive part within the system, oversized in order to provide the needed peak discharge currents. The integration of super capacitors with battery cells optimizes power supply for loads equipment requiring very high power for short times (such as satellites, mechanisms, and transmitters,), i.e. it can increase battery lifetime and involve a significant mass reduction of the energy storage system. Such mass saving is a function of peak power/average power ratio .Super capacitors is electrochemical devices able to store energy through a physical process. The absence of chemical reactions grants higher power densities and higher charge/discharge currents, but lower energy densities with reference to common battery cells. Such characteristics make super capacitors particularly suitable for the integration in hybrid energy storage systems, e.g. to support Li-ion battery cells in case of peak power requests. It is worth noting that the integration of electrochemical capacitors with battery cells requests an accurate evaluation of the problem areas related to the use of such technology in the space environment and of the impacts on both Electrical Power Subsystem and Spacecraft System, and so on.
