US Patent Issued to President and Fellows of Harvard College on Aug. 5 for "Desodiated sodium transition metal oxides for primary batteries" (Massachusetts Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,207, issued on Aug. 5, was assigned to President and Fellows of Harvard College (Cambridge, Mass.).

"Desodiated sodium transition metal oxides for primary batteries" was invented by Xin Li (Belmont, Mass.), Li Hai (Cambridge, Mass.) and Yichao Wang (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides primary batteries that incorporate a desodiated sodium transition metal oxide into the positive electrode (a cathode). Batteries of the invention using a desodiated sodium transition metal oxide in the cathode exhibit discharge voltages, battery capacities, and energy densities higher than a traditional Zn-MnO2 dry cell...