Synergetic Effect of Ethyl Methyl Carbonate and Trimethyl Phosphate on BF4- Intercalation into a Graphite Electrode

LiBF4-ethyl methyl carbonate (EMC)-based solutions have not been successfully employed in dual-ion batteries (DIBs) mainly on account of few solvated BF4- intercalations into graphite positive electrodes. In this article, trimethyl phosphate (TMP) is introduced into 1 M LiBF4-EMC solution as the ele...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 11 vom: 19. März, Seite 3972-3979
1. Verfasser: Zhang, Lei (VerfasserIn)
Weitere Verfasser: Li, Jiayu, Huang, Yuhao, Zhu, Dandan, Wang, Hongyu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a LiBF4-ethyl methyl carbonate (EMC)-based solutions have not been successfully employed in dual-ion batteries (DIBs) mainly on account of few solvated BF4- intercalations into graphite positive electrodes. In this article, trimethyl phosphate (TMP) is introduced into 1 M LiBF4-EMC solution as the electrolyte solution for DIBs, thus revealing a synergetic effect in which the discharge capacity for the anion storage using 1 M LiBF4-EMC/TMP (8:2 by vol) (ca. 26.7 mA h g-1) is far superior to that for the batteries using 1 M LiBF4-EMC (ca. 2.7 mA h g-1) or 1 M LiBF4-TMP (ca. 1.1 mA h g-1). In this case, the effects of TMP on LiBF4 in 1 M LiBF4-EMC/TMP electrolyte solutions are explored by conventional electrochemical tests, ex situ X-ray diffraction, in situ Raman spectroscopy, and nuclear magnetic resonance 
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700 1 |a Li, Jiayu  |e verfasserin  |4 aut 
700 1 |a Huang, Yuhao  |e verfasserin  |4 aut 
700 1 |a Zhu, Dandan  |e verfasserin  |4 aut 
700 1 |a Wang, Hongyu  |e verfasserin  |4 aut 
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