ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,079, issued on June 30, was assigned to Clyra Inc. (Dover, Del.).

"Active materials comprising secondary active-material structures for high rate battery applications and methods of fabricating such active materials" was invented by Sa Zhou (Fremont, Calif.) and Song Han (Foster City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are active materials for use in negative electrodes of lithium-ion electrochemical cells as well methods of forming such active materials. In some examples, an active material comprises secondary active-material structures, each formed by physical or chemical attachment of multiple primary active-ma...