Japan Science and Technology Agency

Jun Kujirai

Hideo Hosono

Toshiharu Yokoyama

Masaaki Kitano

Kiya Ogasawara

A perovskite-type oxynitride hydride which can be easily synthesized achieves both improvement in catalytic performance and stabilization when used as a support of a catalyst. The oxynitride hydride is represented by general formula (1a) or (1b):ABONH  (1a)ABONH(1b) In the above general formulas (1a) and (1b), A is at least one selected from the group consisting of Ba and Sr; B is at least one selected from the group consisting of Ce, La and Y; x represents a number represented by 0.2≤x≤2.0; y represents a number represented by 0.1≤y≤1.0; and z represents a number represented by 0.1≤z≤1.0.

Oxynitride hydride, supported metal material containing oxynitride hydride, and catalyst for ammonia synthesis

The present invention is related to an oxynitride-hydride which is capable of achieving both stabilization and improvement of catalyst performance when used as a support, and the oxynitride-hydride can be easily synthesized. The oxynitride-hydride is represented by the following general formula (1),ABONH  (1)

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Niigata, Japan

Jun Kujirai