Morphology Design Paradigms for Supercapacitors

Inamuddin, .; Boddula, Rajender; Ahmer, Mohammad Faraz; Asiri, Abdullah M.

doi:10.1201/9780429263347

Cited by 2 publications

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“…One of such didactically attractive devices is a supercapacitor (SC), which occupies a separate niche of utilization in consumer electronics, various gadgets, electric vehicles, and other stationary and industrial frameworks (Inamuddin et al, 2020). As an element of an electrical circuit, a SC or ionizer is an electrochemical device that, by its characteristics, occupies an intermediate position between the capacitor and the chemical current source (Conway, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…To achieve this goal, an equivalent circuit design, which reflects the capacities of each double electrical layer separately and thus demonstrates the features of the structure of the SC (Yu, Chabot & Zhang, 2017, P. 67) is didactically justified. At the beginning of the study, students, using the means of digital measuring system, experimentally determine the total capacity, internal resistance and leakage resistance of the real SC 7 . The next stage of the study is to create a model of the SC and find out the changes in its charging (discharge) characteristics with a decrease (increase) in internal resistance.…”

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Supercapacitor as a didactic means of teaching students fundamentals of electronics in the NI Multisim environment

Atamas¹,

Slipukhina²,

Chernetskyi³

et al. 2020

FMO

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Problem formulation. Educational researches of technologically actual and perspective models of devices with the use of simulation environments have allocated a special didactic niche. The demand for NI Multisim as a propaedeutic tool for the formation of engineering skills requires a study of the organizational and methodological foundations of its integration into the modern educational environment. Materials and methods. Theoretical (comparative analysis of scientific data, modeling of the methodical system of learning using simulation environments, etc.), empirical (mostly observational) methods, as well as computer modeling of the studied devices were used. Preliminary didactic approbation was carried out within the framework of the project "Summer Physical and Technical Schools" of the National Center "Junior Academy of Sciences of Ukraine". Results. Features of the supercapacitor as a means of learning the basics of electronics using the STEM approach are systematized in the form of a structural and functional diagram. The educational method is based on the use of the equivalent circuit. The virtual study of serial supercapacitors consists of calculation of parameters and construction of an equivalent circuit in the NI Multisim environment, analysis of charging (discharging) characteristics, and their dependence on external (internal) factors. By the instrumentality of a real experiment, it is possible to determine the specific energy consumption of the supercapacitor also. The technique of using a printed model of the supercapacitor complements the experiment with the possibility to determine the specific capacity of the carbon material, the impact of the concentration of the electrolyte used on the characteristics of the device. 3D printing can be a part of an educational STEM project. Conclusions. Techniques based on the creation of equivalent circuits with simulation environments provide the potential to design educational studies of properties and related processes of a real, serial device, as well as of one manufactured in the laboratory. The possibility of using passport data of serial products creates didactic opportunities for the transition from an algorithmic laboratory project to independent educational research, in particular, distance or mobile learning. Relevant techniques based on 3D printing, as well as pedagogical aspects of STEM-oriented learning of the basics of electronics, require further research.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Supercapacitor as a didactic means of teaching students fundamentals of electronics in the NI Multisim environment

Atamas¹,

Slipukhina²,

Chernetskyi³

et al. 2020

FMO

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Implementation of the Equivalent Circuit Method in Instrumental Digital Didactics

Atamas¹,

Slipukhina

Чернецький³

et al. 2021

ITLT

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Instrumental digital didactics is based on the use of various digital means of obtaining, processing, and interpreting empirical data in accordance with the logic of scientific method and engineering design. Appropriate teaching techniques reflect the STEM approach to teaching natural science and engineering subjects. The use of the equivalent circuit created on the NI Multisim platform to investigate the characteristics of electric circuits’ components creates favorable didactic conditions. The methodological approaches proposed by the authors are demonstrated by the examples of determining the parameters of technologically advanced devices - photoelectric converter (for example, determining its maximum power point, as well as Fill Factor) and supercapacitor (for example, designating changes in charging and discharging characteristics depending on the type of construction). In such educational projects the parameters of the circuit components obtained by the equivalent circuit method are compared with the specifications of commercial devices available on the market. This approach, on the one hand, demonstrates statistical errors of results to the students, and on the other hand, it is a source of sufficient data for constructing an equivalent circuit of devices without prior experimental research. It is shown that the use of equivalent circuits in a computer simulation environment to replace real electronic and electrical devices, measuring systems and equipment with their virtual counterparts expands the didactic possibilities. Techniques based on the versatile use of digital didactic tools are being actively developed and implemented in the MANLab STEM-laboratory of the National Centre “Junior Academy of Sciences of Ukraine”.

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Morphology Design Paradigms for Supercapacitors

Cited by 2 publications

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Supercapacitor as a didactic means of teaching students fundamentals of electronics in the NI Multisim environment

Supercapacitor as a didactic means of teaching students fundamentals of electronics in the NI Multisim environment

Implementation of the Equivalent Circuit Method in Instrumental Digital Didactics

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