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2 results on '"supercapacitor power losses"'

1. Supercapacitor Characterization and Thermal Modelling With Reversible and Irreversible Heat Effect.

Author

Gualous, H., Louahlia, H., and Gallay, R.

Subjects
*SUPERCAPACITORS, *THERMAL analysis, *HEAT equation, *ELECTROLYTES, *ELECTRIC power production
Abstract

This paper investigates double layer capacitor (or supercapacitor) thermal modelling. The originality of this work resides in the fact that 4 type K thermocouples are inserted inside a 350 F supercapacitor modified cell. These thermocouples allow supercapacitor internal temperature measurement. Experimental results have shown that the electrical storage device temperature increases in the phase of charge and decreases during the discharge. The developed model takes into account the effect which is due to the reversible heat generation in the supercapacitor. The model is based on heat equation solution and allows temperature distribution determination inside and outside the supercapacitor as a function of the position and of the time. The model is developed for double layer capacitor based on activated carbon and organic electrolyte technology. [ABSTRACT FROM AUTHOR]

Published
2011
Full Text
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2. Supercapacitor Characterization and Thermal Modelling With Reversible and Irreversible Heat Effect

Author

Hamid Gualous, R. Gallay, Hasna Louahlia, Laboratoire Universitaire des Sciences Appliquées de Cherbourg (LUSAC), Université de Caen Normandie (UNICAEN), and Normandie Université (NU)-Normandie Université (NU)

Subjects
Work (thermodynamics), Materials science, 020209 energy, 02 engineering and technology, Electrolyte, 7. Clean energy, Temperature measurement, Capacitance, [SPI.MAT]Engineering Sciences [physics]/Materials, [SPI]Engineering Sciences [physics], Thermocouple, Thermal, 0202 electrical engineering, electronic engineering, information engineering, supercapacitor thermal modelling, Electrical and Electronic Engineering, Composite material, supercapacitor heat generation, supercapacitor power losses, [PHYS]Physics [physics], Supercapacitor, business.industry, [SPI.FLUID]Engineering Sciences [physics]/Reactive fluid environment, Electrical engineering, 021001 nanoscience & nanotechnology, Heat generation, [SDE]Environmental Sciences, supercapacitor thermal resistance, Reversible and irreversible heat effect, supercapacitor cooling system, 0210 nano-technology, business
Abstract

International audience; This paper investigates double layer capacitor (or supercapacitor) thermal modelling. The originality of this work resides in the fact that 4 type K thermocouples are inserted inside a 350 F supercapacitor modified cell. These thermocouples allow supercapacitor internal temperature measurement. Experimental results have shown that the electrical storage device temperature increases in the phase of charge and decreases during the discharge. The developed model takes into account the effect which is due to the reversible heat generation in the supercapacitor. The model is based on heat equation solution and allows temperature distribution determination inside and outside the supercapacitor as a function of the position and of the time. The model is developed for double layer capacitor based on activated carbon and organic electrolyte technology.

Published
2011
Full Text
View/download PDF

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