US Patent Issued to THE REGENTS OF THE UNVERSITY OF CALIFORNIA on May 27 for "Recycling and regeneration of lithium-ion battery cathodes" (California Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,899, issued on May 27, was assigned to THE REGENTS OF THE UNVERSITY OF CALIFORNIA (Oakland, Calif.).

"Recycling and regeneration of lithium-ion battery cathodes" was invented by Zheng Chen (San Diego) and Panpan Xu (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for regeneration of spent cathode material of lithium-ion batteries involves lithiating the cathode material in a relithiation solution including a reducing agent at a temperature in the range of 60deg C. to 180deg C. for a sufficient time to heal composition defects in the cathode material. The lithiated material is then sintered to completely recover the properties. The ...