ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,634, issued on Jan. 13, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).
"Fuel cell heat treatment method and apparatus" was invented by Yil Hoon Yi (Busan, South Korea) and Hyung Wook Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment fuel cell heat treatment method includes preparing a fuel cell stack by stacking a plurality of unit cells, each unit cell including a membrane electrode assembly, and performing a heat treatment on an entirety of the fuel cell stack at a preset target temperature in a heat treatment chamber. An embodiment fuel cell heat treatment apparatus in...