ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,789, issued on June 2, was assigned to EnerSys Delaware Inc. (Reading, Pa.).
"Metal ion battery safety arrangement" was invented by Montassar Khammassi (Arras, France) and Rhodri Evans (Newport, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention concerns a fire safety arrangement for a battery. More particularly, but not exclusively, this invention concerns a fire safety arrangement for a metal ion battery, for example a lithium ion battery cell. The metal ion battery cell comprises a plurality of electrodes and an electrolyte encased within a housing. The housing comprises a safety valve or vent to allow gas build up ...