Microporous cerium-lanthanum solid solution supported rhodium catalyst and application thereof

The invention relates to a microporous cerium-lanthanum solid solution supported rhodium catalyst and application thereof, and belongs to the field of hydrogen energy. According to the microporous cerium-lanthanum solid solution loaded rhodium catalyst, a microporous cerium-lanthanum solid solution is adopted as a carrier, Rh is adopted as an active component, the catalyst at least comprises three metal elements of Ce, La and Rh, the cerium-lanthanum solid solution Ce < 1-x > LaxOy is of a cerium oxide fluorite cubic structure, and the loading capacity of Rh is 0.1-1.5 wt.%. The microporous cerium-lanthanum solid solution supported rhodium catalyst is suitable for hydrogen production by ethanol oxidation reforming. According to the catalyst, the ethanol conversion rate can reach 99% or above at the temperature of 300 DEG C, the hydrogen preparation efficiency of each kilogram of the catalyst can reach 6.5 L/s at the temperature of 400 DEG C, and the catalyst can be suitable for in-situ hydrogen production and