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Metrology and Measurement Systems
2013 Vol. 20, nr 4 581--590
EN In this paper a measurement system for determination of supercapacitor equivalent parameters is proposed. Specific properties of materials used for supercapacitor construction require some advanced tools and measurement procedures to be applied during tests. The measurement system allows to measure[...]
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Materials Science Poland
2009 Vol. 27, No. 4/2 1271--1278
EN Polyaniline-multi-walled carbon nanotubes (PANI/MWCNTs) composite has been synthesized by in situ oxidizing polymerization of aniline in water dispersion of MWCNTs and has been tested as a supercapacitor electrode material. Supercapacitive behaviour of the shell core composite has been investigated [...]
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Przegląd Elektrotechniczny
2009 R. 85, nr 10 188-195
PL W artykule przedstawiono ocenę użycia superkondensatorów, jako systemów magazynowania energii. Superkondensatory porównano z innymi technologiami, takimi jak sprężone powietrze, hydraulika siłowa, nadprzewodniki i koła zamachowe. Autorzy koncentrują się na systemach magazynowania energii średniej sk[...]
EN The use of supercapacitors as energy storage systems is evaluated in this work. Supercapacitors are compared with other technologies such as compressed air, pumped hydro, superconductors and flywheels. This paper is focused on medium scale energy storage systems (applied to 100 kW photovoltaic gener[...]
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Polish Journal of Chemistry
2001 Vol. 75, nr 12 1913-1920
EN A totally solid state electric double layer capacitor was fabricated using a PVA-H2SO4-H2O polymer electrolyte and activated carbon powder (ACP) as an electrode material. The polymer electrolyte served both as a separator as well as a binder of carbon powder. The PVA-H2SO4-H2O (separator) as well as[...]
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Prace Naukowe Instytutu Podstaw Elektrotechniki i Elektrotechnologii Politechniki Wrocławskiej. Konferencje
PL Podjęto prace, aby stosując metodę zol-żel, wytwarzać materiały do budowy superkondensatorów. Technika ta stwarza dogodne możliwości technologiczne wszędzie tam, gdzie wykorzystuje się układy warstwowe , a także gdzie wymagane jest kontrolowane rozwinięcie powierzchni. Zastosowaniami takimi mogą być[...]
EN The main aim of research is to use sol-gel method for manufacturing materials of supercapacitors. The sol- gel technique is one of the fastest growing fields of contemporary chemistry. The main advantage of this process stems from the fact that it offers an alternative approach to conventional produ[...]
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Prace Naukowe Instytutu Podstaw Elektrotechniki i Elektrotechnologii Politechniki Wrocławskiej. Konferencje
PL Superkondensator staje się coraz popularniejszym podzespołem, którego stosowanie w układach zasilania odbiorników pozwala zarówno na zmniejszenie kosztów urządzenia, jak i kosztów jego eksploatacji W niniejszym artykule zaprezentowano analizę korzyści wynikających z zastosowania takiego rozwiązania.
EN The supercapacitors became lately very popular component due to possibility of using it as a energy buffer, which allows to reduce the mass, volume and the price of the devices. In the article the analysis of advantages of such applications is presented.
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Polish Journal of Chemistry
2004 Vol. 78 / nr 9 1345-1356
EN Carbon nanotubes (CNTs) are essentially a mesoporous material with very limited microporosity, hence, they supply only moderate capacitance values. After KOH activation their capacitance values increase significantly from 15 F/g to ca. 100 F/g. CNTs are especially adapted as component of supercapaci[...]
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Computer Applications in Electrical Engineering
2015 Vol. 13 42--50
EN The paper describes the results of analysis of the transient state in a simple series RCα circuit with supercapacitor. A simple fractional-order supercapacitor model has been introduced to the analysis. The considered system has been supplied by a periodic voltage source. Selected results[...]
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Poznan University of Technology Academic Journals. Electrical Engineering
2015 No. 81 71--77
EN The paper presents an analysis of the transient state in a simple circuit of RCα class with a supercapacitor. The behavior of supercapacitors differs from that of classic capacitors, which influences voltage and current waveforms in circuits containing them. The waveforms are described by relations [...]
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Materials Science Poland
2016 Vol. 34, No. 2 302--314
EN There is a general consensus to develop renewable energy storage and conversion technologies to replace fossil fuel energy for sustainable development. Currently, the development of high performance energy storage and conversion devices is an important step on the road to alternative energy technolo[...]
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Bulletin of the Polish Academy of Sciences. Technical Sciences
2013 Vol. 61, nr 3 581--587
EN In the paper, mathematical models of the supercapacitors are investigated. The models are based on electrical circuits in the form of RC ladder networks. The elementary cell of the network may consist of resistances and capacitances that are connected in series or parallel. The dynamic behavior of t[...]
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Prace Naukowe Politechniki Śląskiej. Elektryka
2008 z. 4 155-164
PL W artykule opisano początkowy etap konstrukcji napędu hybrydowego samochodu osobowego o strukturze Mild Hybryd. Przedstawiono badania super-kondensatora w procesie rozruchu silnika spalinowego, wyznaczono energię zużytą do rozruchu silnika oraz czas trwania rozruchu. W pracy badano rozrusznik Magnet[...]
EN The Automobile Stop & Go System makes it possible to switch off an IC engine automatically when the vehicle stops (e.g. at red light or in traffic jams) and then to switch it on quickly again. This makes it possible to reduce the fuel consumption and carbon dioxide emission. The paper describes the [...]
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Journal of KONES
EN For city and neighbourhood people transport, electric driven vehicle with advanced energy storage and electronic control system could be competitive for conventional transportation means. Advanced energy storage and full utilization of regenerative braking system leads to significant energy saving. [...]
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Metrology and Measurement Systems
2017 Vol. 24, nr 4 645--652
EN A developed method and measurement setup for measurement of noise generated in a supercapacitor is presented. The requirements for noise data recording are considered and correlated with working modes of supercapacitors. An example of results of low-frequency noise measurements in commercially avail[...]
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Computer Applications in Electrical Engineering
2014 Vol. 12 30--37
EN The paper describes the results of analysis on the resonance phenomenon in a parallel RLCα circuit with supercapacitor modeled as a fractional-order capacitance. A complex, more accurate fractional-order model has been taken into analysis. Formulas for frequency characteristics and resona[...]
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Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
2018 Nr 60 105--108
PL W pracy przedstawiono prototyp urządzenia do wyznaczania parametrów schematu zastępczego superkondensatora na podstawie jego charakterystyki ładowania i rozładowania. Urządzenie składa się ze sterowanego źródła prądowego do ładowania i rozładowywania superkondensatora, przetwornika analogowo-cyfrowe[...]
EN The paper presents the measurement set-up for estimation of supercapacitor’s equivalent circuit parameters based on its charging and discharging characteristics. The designed set-up consists of a controlled current source for charging and discharging the supercapacitor under test, an analog-to-digit[...]
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Poznan University of Technology Academic Journals. Electrical Engineering
2014 No. 77 93--99
EN The article presents an analysis of phase resonance conditions for the parallel RLCα circuit with supercapacitor. Supercapacitors behaviour somehow differs from classic dielectric capacitors, therefore it is necessary to develop their new mathematical models, using fractional - order diff[...]
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Present Problems of Power System Control
2018 Nr 9 5--17
EN Micro resistance welding is the most common technology for making permanent connection between two conducting materials. This paper proposes a high-efficiency charging device for the capacitive energy storage within the micro resistance welding device power supply utilizing a Flyback converter. Base[...]
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Journal of KONES
EN For short distance (neighborhood) city transport of people, electric driven vehicle with advanced energy storage and electronic control system could assure fulfill essential requirements. range, acceleration ability and grade ability of electric driven small size city vehicle depend on: total vehicl[...]
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Materials Science Poland
EN The relation between the porous structure and the electron structure in carbon materials was investigated in order to optimize the effiency of the physical-chemical processes in an electric double layer (EDL) formed at the boundary between the carbon material and the electrolyte (KOH 30 % aqueous so[...]
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