Post‐Mortem Gas Chromatography‐Mass Spectrometry Analysis of Aging Processes in Acetonitrile‐based Supercapacitors
Abstract: An ongoing challenge in the field of supercapacitors revolves around comprehending their failure mechanisms. The aging processes occurring at the electrode/electrolyte interphase of these devices are complex. Thus far, much attention has been directed toward examining the aging of electrodes, while fewer studies have been dedicated to the electrolyte's aging. This study aims to address this point and to gain a deeper understanding of the importance of individual decomposition products on the overall decomposition of the electrolytic solution of electric double‐layer capacitors. Therefore, the decomposition of the state‐of‐the‐art electrolyte 1 m solution of tetraethylammonium‐tetrafluoroborate in acetonitrile and that of the same electrolyte doped with compounds known to form during its aging, such as acetamide, 2,4,6‐trimethyl‐1,3,5‐triazine, and triethylamine has been investigated post‐mortem. The results of this study show that GC‐MS is a useful technique to interpret and understand the degradation processes taking place in the electrolytes of supercapacitors.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Post‐Mortem Gas Chromatography‐Mass Spectrometry Analysis of Aging Processes in Acetonitrile‐based Supercapacitors ; day:26 ; month:01 ; year:2024 ; extent:8
ChemElectroChem ; (26.01.2024) (gesamt 8)
- DOI
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10.1002/celc.202300823
- URN
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urn:nbn:de:101:1-2024012714340363115703
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:26 AM CEST
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Associated
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Post‐Mortem Gas Chromatography‐Mass Spectrometry Analysis of Aging Processes in Acetonitrile‐based Supercapacitors
Development of sustainable aqueous electrolytes for high voltage supercapacitors
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A Critical Analysis about the Underestimated Role of the Electrolyte in Batteries Based on Organic Materials
Design and Use of a Novel In Situ Simultaneous Thermal Analysis Cell for an Accurate “Real Time” Monitoring of the Heat and Weight Changes Occurring in Electrochemical Capacitors
Fast Charging Materials for High Power Applications
Gas Characterization‐ and Mass Spectrometry‐Tools for the Analysis of Aging in Electrical Double Layer Capacitors: State‐of‐the‐Art and Future Challenges
Protic and Aprotic Acetate‐Based Ionic Liquids as Electrolytes for Electrical Double Layer Capacitors
Coordination and Diffusion in Glyoxal‐Based Electrolytes for Potassium‐Ion Batteries
From Aluminum Dissolution in Supercapacitors to Electroplating: A New Way for Al Thin Film Deposition?
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Post‐Mortem Gas Chromatography‐Mass Spectrometry Analysis of Aging Processes in Acetonitrile‐based Supercapacitors
Development of sustainable aqueous electrolytes for high voltage supercapacitors
Gas Characterization‐ and Mass Spectrometry‐Tools for the Analysis of Aging in Electrical Double Layer Capacitors: State‐of‐the‐Art and Future Challenges
A Critical Analysis about the Underestimated Role of the Electrolyte in Batteries Based on Organic Materials
Design and Use of a Novel In Situ Simultaneous Thermal Analysis Cell for an Accurate “Real Time” Monitoring of the Heat and Weight Changes Occurring in Electrochemical Capacitors
Fast Charging Materials for High Power Applications
Gas Characterization‐ and Mass Spectrometry‐Tools for the Analysis of Aging in Electrical Double Layer Capacitors: State‐of‐the‐Art and Future Challenges
Protic and Aprotic Acetate‐Based Ionic Liquids as Electrolytes for Electrical Double Layer Capacitors
Coordination and Diffusion in Glyoxal‐Based Electrolytes for Potassium‐Ion Batteries
From Aluminum Dissolution in Supercapacitors to Electroplating: A New Way for Al Thin Film Deposition?
Physical approaches for the performance optimization and investigation of organic batteries