US Patent Issued to ZEROAVIA on Dec. 9 for "Fuel cell thermal energy storage in phase-change material" (British, American Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,496, issued on Dec. 9, was assigned to ZEROAVIA LTD (Cirencester, Great Britain).

"Fuel cell thermal energy storage in phase-change material" was invented by Stephen Lawes (Cirencester, Great Britain) and Bob Lee Mackey (Hollister, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling system for a fuel-cell system onboard a vehicle such as an aircraft in one embodiment employs the latent heat of evaporation of a two-phase coolant to reduce mass and parasitic power requirements of the cooling system. In another embodiment the cooling system has a primary ambient air heat exchanger coolant loop for cooling the fuel-cell system, and a secondar...