ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,724, issued on June 2, was assigned to VERSA POWER SYSTEMS LTD (Calgary, Canada).

"Proton-conducting ceramic fuel cell architecture" was invented by Anthony Wood (Calgary, Canada), Zheng Tang (Calgary, Canada) and Tahir Joia (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a proton-conducting fuel cell (PCFC) includes assembling a green anode-electrolyte half-cell. The green anode-electrolyte half-cell includes an electrolyte layer, an anode functional layer adjacent the electrolyte layer, an anode substrate layer adjacent the electrolyte layer, and a stress balancing layer adjacent the anode substrate layer. ...