BIMETALLIC CATALYSTS SUPPORTED ON LANTHANUM MANGANITE (LaMnO3) FOR AMMONIA DECOMPOSITION

2:

• The method of claim 1, wherein flowing H2 through the reactor containing the catalyst to reduce the catalyst occurs at a reactor temperature of 300 to 750° C.

3:

• The method of claim 1, wherein a flow rate of the NH3 mixture through the reactor is 30 to 40 milliliters per minute (mL/min).

4:

• The method of claim 1, wherein the metal-doped LaMnO3 material is in the form of aggregated spheres having a longest dimension of 50 to 500 nanometers (nm).

5:

• The method of claim 1, wherein a flow rate of the H2 through the reactor is 25 to 35 mL/min.

6:

• The method of claim 1, wherein the metal-doped LaMnO3 material includes Co in an amount of 0.4 to 0.6 wt. % based on a total weight of the metal-doped LaMnO3 material.

7:

• The method of claim 1, wherein the metal-doped LaMnO3 material includes Co in an amount of 0.4 to 0.6 wt. % and Ni in an amount of 0.4 to 0.6 wt. % based on a total weight of the metal-doped LaMnO3 material.

8:

• The method of claim 1, wherein the metal-doped LaMnO3 material includes Co in an amount of 0.2 to 0.3 wt. % and Ni in an amount of 0.4 to 0.6 wt. % based on a total weight of the metal-doped LaMnO3 material.

9:

• The method of claim 1, wherein the metal-doped LaMnO3 material further comprises 0.1 to 1.0 wt. % of ruthenium (Ru) based on a total weight of the metal-doped LaMnO3 material.

10:

• The method of claim 9, wherein the metal-doped LaMnO3 material includes Ru in an amount of 0.4 to 0.6 wt. % based on a total weight of the metal-doped LaMnO3 material.

11:

• The method of claim 9, wherein the metal-doped LaMnO3 material is in the shape of aggregated particles having a longest dimension of 50 to 1000 nm.

12:

• The method of claim 1, wherein at least 50 wt. % of NH3 is decomposed to form H2 and N2 at a temperature of 450° C. based on an initial amount of the NH3.

13:

• The method of claim 1, wherein at least 75 wt. % of NH3 is decomposed to form H2 and N2 at a temperature of 475° C. based on an initial amount of the NH3.

14:

• The method of claim 1, wherein flowing hydrogen through the reactor containing the catalyst to reduce the catalyst occurs at a temperature of 300 to 400° C.

15:

• The method of claim 1, wherein flowing hydrogen through the reactor containing the catalyst to reduce the catalyst occurs at a temperature of 650 to 750° C.

16:

• The method of claim 1, wherein the metal-doped LaMnO3 material has a perovskite structure.

18:

• The method of claim 17, wherein the acid is a citric acid.

19:

• The method of claim 17, wherein the calcinating occurs with a ramping temperature of 3 to 5 degrees Celsius/minute (° C./min).

20:

• The method of claim 6, wherein at least 99 wt. % of NH3 is decomposed to form H2 and N2 at a temperature of 500° C. based on an initial amount of the NH3.