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Oxides having high energy densities

United States Patent

September 10, 2013
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Certain disclosed embodiments generally relate to oxide materials having relatively high energy and/or power densities. Various aspects of the embodiments are directed to oxide materials having a structure B.sub.i(M.sub.jY.sub.k)O.sub.2, for example, a structure Li.sub.j(Ni.sub.jY.sub.k)O.sub.2 such as Li(Ni.sub.0.5Mn.sub.0.5)O.sub.2. In this structure, Y represents one or more atoms, each independently selected from the group consisting of alkaline earth metals, transition metals, Group 14 elements, Group 15, or Group 16 elements. In some embodiments, such an oxide material may have an O3 crystal structure, and/or a layered structure such that the oxide comprises a plurality of first, repeating atomic planes comprising Li, and a plurality of second, repeating atomic planes comprising Ni and/or Y.
Ceder; Gerbrand (Wellesley, MA), Kang; Kisuk (Somerville, MA)
Massachusetts Institute of Technology (Cambridge, MA)
11/ 992,782
September 29, 2006
GOVERNMENT FUNDING This invention was made with U.S. Government support under grant number DE-AC02-05CH11231 awarded by the Department of Energy and grant number DMR0213282 awarded by the National Science Foundation. The U.S. Government has certain rights in this invention.