2021
DOI: 10.1007/s10800-020-01523-z
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Kinetic properties of sodium-ion transfer at the interface between graphitic materials and organic electrolyte solutions

Abstract: Graphitic materials cannot be applied for the negative electrode of sodium-ion battery because the reversible capacities of graphite are anomalously small. To promote electrochemical sodium-ion intercalation into graphitic materials, the interfacial sodium-ion transfer reaction at the interface between graphitized carbon nanosphere (GCNS) electrode and organic electrolyte solutions was investigated. The interfacial lithium-ion transfer reaction was also evaluated for the comparison to the sodium-ion transfer. … Show more

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Cited by 14 publications
(24 citation statements)
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“…We speculated that the kinetics of the interfacial lithium-ion transfer reaction in concentrated electrolytes is controlled by the interaction between the lithium ion and anion, which might be stronger than the interaction between lithium ions and neutral solvents. These results were consistent with the previous reports of graphitized CNS …”
Section: Results and Discussionsupporting
confidence: 94%
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“…We speculated that the kinetics of the interfacial lithium-ion transfer reaction in concentrated electrolytes is controlled by the interaction between the lithium ion and anion, which might be stronger than the interaction between lithium ions and neutral solvents. These results were consistent with the previous reports of graphitized CNS …”
Section: Results and Discussionsupporting
confidence: 94%
“…On the other hand, the activation energy in 4 mol kg –1 NaTFSA/EC + DMC (1:1 by vol) was 68–69 kJ mol –1 and very large. These values of activation energies were close to those of graphitized CNS electrodes . Hence, the electrolyte dependency of activation energies of interfacial sodium-ion transfer seemed to be universal for carbonaceous electrodes independent of the graphitization degree.…”
Section: Results and Discussionsupporting
confidence: 71%
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