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Interplay among Hexafluorophosphate, Difluoro(oxalato)borate Anions and Ethylene Carbonate during Their Insertion into a Graphite Electrode.
Zhang, Jia; Chen, Congcong; Zhu, Dandan; Wang, Yunju; Wang, Boyu; Wang, Ying; Ma, Shunchao; Wang, Hongyu.
Afiliação
  • Zhang J; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Chen C; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Zhu D; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Wang Y; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Wang B; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Wang H; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
Langmuir ; 38(12): 3824-3831, 2022 Mar 29.
Article em En | MEDLINE | ID: mdl-35294194
ABSTRACT
Ethylene carbonate solutions dissolving mixed lithium salts composed of both difluoro(oxalato)borate (DFOB-) and hexafluorophosphate (PF6-) anions are introduced into Li/graphite cells. The anions' intercalation procedures into the graphite positive electrode from these solutions are explored by charge/discharge, cyclic voltammetry, and impedance spectroscopic tests in combination with electrochemical in situ characterization including X-ray diffraction (XRD) and Raman spectroscopy. Furthermore, these solutions are characterized by ionic conductivity together with nuclear magnetic resonance measurements. The properties of the solutions are linked to the capacity values delivered by Li/graphite cells.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article País de afiliação: China
Texto completo
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PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article País de afiliação: China