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A Lithium-Ion Battery based on an Ionic Liquid Electrolyte, Tin-Carbon Nanostructured Anode, and Li2O-ZrO2-Coated Li[Ni0.8Co0.15Al0.05]O2 Cathode

By Marco Agostini, Ulderico Ulissi, Daniele Dilecce, Yuichi Ahiara, Seitaro Ito and Jusef Hassoun


This study describes the characteristics of a lithium-ion battery employing an ionic liquid (IL)-based electrolyte, a Li2O–ZrO2-coated Li[Ni0.8Co0.15Al0.05O2] cathode, and a nanostructured tin–carbon (Sn–C) composite anode. The structure and morphology of the cathode and anode materials were studied using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. The properties of the IL-based electrolyte were studied in terms of conductivity, lithium-ion transport, electrochemical and thermal stability by electrochemical impedance spectroscopy, voltammetry, and thermogravimetry. The battery, based on a lithium intercalation/de-intercalation process at the cathode and a lithium alloying/de-alloying process at the anode, showed a stable capacity of 100 mAhg -1 evolving at approximately 3.3 V. The cell configuration proposed here is expected to have high safety due to the nonflammability of the IL-based electrolyte

Topics: Carbon, Ionic liquids, Lithium-ion batteries, Nanostructures, Zirconium oxide, Energy (all)
Year: 2015
DOI identifier: 10.1002/(ISSN)2194-4296
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