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241105s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03435
|2 doi
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|a eng
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|a Qi, Jiaxing
|e verfasserin
|4 aut
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|a Intercalation Behavior of a Spiro-bipyrrolidinium Cation into a Graphite Electrode from Dimethyl/Propylene Carbonates
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 19.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Quaternary ammonium-graphite intercalation compounds (QA+-GICs) are promising negative electrode materials in dual-carbon batteries by virtue of safety, low cost, and environmental friendliness. However, the intercalation behavior of QA+ into graphite electrodes in mixed solvents has never been reported. Herein, spiro-(1,1')-bipyrrolidinium tetrafluoroborate dissolved in a dimethyl/propylene carbonate (DMC/PC) binary solvent system was employed in graphite/activated carbon (AC) capacitors. The storage behavior of the spiro-(1,1')-bipyrrolidinium cation into graphite is very related to the solvent composition of the electrolyte solutions. In situ X-ray diffraction tests revealed that the graphite electrodes can form different QA+-GICs during cycling, which is a key factor influencing the electrochemical performance of graphite/AC capacitors. Besides, the reversible thickness change of graphite in graphite/AC capacitors with different electrolytes during the charge-discharge process was also addressed. These findings provide sound evidence for the co-intercalation of the solvent with the cation
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|a Journal Article
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|a Wang, Hongyu
|e verfasserin
|4 aut
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|a Xu, Guobao
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 46 vom: 19. Nov., Seite 24585-24591
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:40
|g year:2024
|g number:46
|g day:19
|g month:11
|g pages:24585-24591
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03435
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