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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The disclosure relates to an anode material for a sodium-ion battery having the general formula AO.sub.x--C or AC.sub.x--C, where A is aluminum (Al), magnesium (Mg), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), zirconium (Zr), molybdenum (Mo), tungsten (W), niobium (Nb), tantalum (Ta), silicon (Si), or any combinations thereof. The anode material also contains an electrochemically active nanoparticles within the matrix. The nanoparticle may react with sodium ion (Na.sup.+) when placed in the anode of a sodium-ion battery. In more specific embodiments, the anode material may have the general formula M.sub.ySb-M'O.sub.x--C, Sb-MO.sub.x--C, M.sub.ySn-M'C.sub.x--C, or Sn-MC.sub.x--C. The disclosure also relates to rechargeable sodium-ion batteries containing these materials and methods of making these materials.
Manthiram, Arumugam (Austin, TX), Kim, Il Tae (Austin, TX), Allcorn, Eric (Austin, TX)
15/ 152,201
May 11, 2016
STATEMENT OF GOVERNMENT INTEREST [0002] The present invention was developed using funding from the United States government through Department of Energy Grant No. DE-SC005397. The United States government has certain rights to the invention.