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Methyl Acetate Boosts the Low-Temperature Performance of Li4Ti5O12/Graphite Dual-Ion Batteries.
Mei, Weikang; Chen, Nan; Wang, Boyu; Xu, Guobao; Wang, Hongyu.
Afiliación
  • Mei W; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
  • Chen N; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Wang B; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
  • Xu G; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China.
  • Wang H; Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Langmuir ; 40(22): 11541-11547, 2024 Jun 04.
Article en En | MEDLINE | ID: mdl-38767530
ABSTRACT
Methyl acetate (MA) is a suitable solvent for low-temperature electrolyte solutions, but its poor stability against lithium metal is a big problem. Herein, a simple and cheap solution of LiPF6 dissolved in MA was successfully employed for Li4Ti5O12/graphite dual-ion batteries (DIBs). This cell has a long cycle life with 93.1% capacity retention after 1000 cycles. Moreover, it has superior performance at low temperatures (-40 °C) compared to other reported DIBs. The storage behavior of PF6- solvated by MA in graphite cathode has been investigated in detail by in situ X-ray diffraction (XRD) in combination with electrochemical dilatometry (ECD).
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Langmuir Asunto de la revista: QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: China
Texto completo
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Langmuir Asunto de la revista: QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: China