ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,261, issued on Jan. 20, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Fuel cell unit" was invented by Sriganesh Sriram (Ludwigsburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Fuel cell unit (1) in the form of a fuel cell stack (1) for electrochemical generation of electrical energy, comprising fuel cells (2) having anodes, cathodes, proton-exchange membranes, gas diffusion layers and bipolar plates, the fuel cell unit (1) comprising at least one latent heat storage device (45) with a phase change material (46) to prevent water from freezing in the fuel cells (2) or delay such freezing."
The patent was filed on Dec. 17, 2020,...