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Ternary Ionic Liquid Analogues as Electrolytes for Ambient and Low-Temperature Rechargeable Aluminum Batteries.
Wang, Jonah; Schoetz, Theresa; Gordon, Leo W; Biddinger, Elizabeth J; Messinger, Robert J.
Afiliación
  • Wang J; Department of Chemical Engineering, The City College of New York, CUNY, New York, New York 10031, United States.
  • Schoetz T; Department of Chemical Engineering, The City College of New York, CUNY, New York, New York 10031, United States.
  • Gordon LW; Department of Chemical Engineering, The City College of New York, CUNY, New York, New York 10031, United States.
  • Biddinger EJ; Department of Chemical Engineering, The City College of New York, CUNY, New York, New York 10031, United States.
  • Messinger RJ; Department of Chemical Engineering, The City College of New York, CUNY, New York, New York 10031, United States.
ACS Appl Energy Mater ; 7(13): 5438-5446, 2024 Jul 08.
Article en En | MEDLINE | ID: mdl-38994437
ABSTRACT
Rechargeable aluminum (Al) metal batteries are enticing for the coming generation of electrochemical energy storage systems due to the earth abundance, high energy density, inherent safety, and recyclability of Al metal. However, few electrolytes can reversibly electrodeposit Al metal, especially at low temperatures. In this study, Al electroplating and stripping were investigated from 25 °C to -40 °C in mixtures of aluminum chloride (AlCl3), 1-ethyl-3-methyl-imidazolium chloride ([EMIm]Cl), and urea. The ternary ionic liquid analogue (ILA) consisting of AlCl3-urea-[EMIm]Cl in a molar ratio of 1.30.250.75 enabled reversible Al electrodeposition at temperatures as low as -40 °C while exhibiting the highest current density and the lowest overpotential among all of the electrolyte mixtures at 25 °C, including the AlCl3-[EMIm]Cl binary mixture. The ILA electrolyte was further tested in a rechargeable Al-graphite battery system down to -40 °C. The addition of urea to AlCl3-[EMIm]Cl binary mixtures can improve the Al electrodeposition, extend the liquid temperature window, and reduce the cost.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Energy Mater Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Energy Mater Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos