Patent 10017395 was granted and assigned to Japan Science and Technology Agency on July, 2018 by the United States Patent and Trademark Office.
The ammonia synthesis catalyst of the present invention, comprises: a powder of a perovskite oxyhydride having hydride (H−) incorporated therein as a support; and a metal or a metal compound exhibiting a catalytic activity for ammonia synthesis, supported on the support, and the perovskite oxyhydride is represented by ATiO3-xHx (wherein A represents Ca, Sr, or Ba, and 0.1≤x≤0.6).