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V2O5 aerogel-like lithium intercalation host
Institution:1. School of Chemistry and Chemical Engineering, Institute of Physical Chemistry, Development Center for New Materials Engineering & Technology in Universities of Guangdong, Lingnan Normal University, Zhanjiang 524048, PR China;2. Department of Physics, Zhejiang University, Hangzhou 310027, PR China;1. Área de Prehistoria, Departamento de Geografía, Prehistoria y Arqueología, Facultad de Letras, Universidad del País Vasco (UPV/EHU), C/ Tomás y Valiente s/n, 01006 Vitoria, Spain;2. Cuevas Prehistóricas de Cantabria, Sociedad Regional de Educación, Cultura y Deporte, Gobierno de Cantabria, Cuevas del Monte Castillo, 39670 Puente Viesgo, Cantabria, Spain;1. Department of Chemistry, Indian Institute of Technology, Kharagpur, 721302, India;2. Department of Nanostructured Materials, Leibniz-Institut für Polymerforschung Dresden e.V. (IPF Dresden), Hohe Strasse 6, 01069, Dresden, Germany;3. Technische Universität Dresden, Physical Chemistry of Polymer Materials, 01062, Dresden, Germany;1. Dipartimento di Chimica “Giacomo Ciamician”, Alma Mater Studiorum – Università di Bologna, Via F. Selmi, 2, 40126 Bologna, Italy;2. National Research Council (CNR), Institute for Nanostructured Materials (ISMN), Via P. Gobetti, 101, 40129 Bologna, Italy;3. Department of Material Sciences and Engineering and the Russell Berrie Nanotechnology Institute, Technion – Israel Institute of Technology, Haifa, Israel
Abstract:Thin self-standing films and powders of highly amorphous V2O5 have been prepared via a combined sol-gel and solvent exchange procedure. The amorphous V2O5 is a highly interconnected porous material with very thin solid walls and shows a unique lithium intercalation behavior. Electrochemical tests performed on composite cathodes made by mixing the material with carbon particles demonstrated a very high lithium insertion capacity.
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