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Electrochemical capacitor temperature fluctuations during charging/discharging processes

Abstract

Thepaperpresentsaproposalofusingadditionalstatisticalparameterssuchas:standarddeviation,variance, maximum and minimum increases of the observed value that were determined during measurements of temperature fields created on the surface of the tested electrochemical capacitor. The measurements were carriedoutusingthermographicmethodsinordertosupportassessmentoftheconditionofelectrochemical capacitorunderclassicdurabilitytestsbasedonmethodsofdeterminationofcapacityandequivalentseries resistance.Thepossibilityofusingsomestatisticalparametersinassessmentoftheelectrochemicalcapacitor quality was illustrated. The applied measurement methodology and the results of research associated with the classic methods of supercapacitors’ assessment are presented. The obtained results indicate that the variabilityofsomestatisticalparametersoftemperaturefieldscanbedirectlyrelatedtochangingthevalues of standard parameters describing electrochemical capacitor, which are capacitance and equivalent series resistance.

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Details

Category:
Magazine publication
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Metrology and Measurement Systems no. 26, pages 23 - 35,
ISSN: 0860-8229
Language:
English
Publication year:
2019
Bibliographic description:
Galla S., Szewczyk A., Lentka Ł.: Electrochemical capacitor temperature fluctuations during charging/discharging processes// Metrology and Measurement Systems. -Vol. 26, iss. 1 (2019), s.23-35
DOI:
Digital Object Identifier (open in new tab) 10.24425/mms.2019.126338
Verification:
Gdańsk University of Technology

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