Preparation method and application of metal catalyst loaded aerogel

The invention discloses a preparation method of supported metal catalyst aerogel. The preparation method comprises the following four steps: preparing a bimetal framework, preparing a precursor solution, preparing aerogel by an ice template method and modifying the aerogel. The aerogel with a one-way structure is prepared by taking a marine biomass material sodium alginate and single-sheet-layer MXene as matrix materials, the aerogel has relatively large porosity and specific surface area, and the catalytic activity of the catalyst can be obviously improved after the bimetallic catalyst is loaded. According to the method, carboxyl on the surface of sodium alginate is subjected to a decarboxylation reaction through a low-temperature calcination method, the cycle stability of the aerogel catalyst in water is effectively improved, and compared with an existing aerogel catalyst, the material has more excellent catalytic activity and cycle stability. 本发明公开了一种负载金属催化剂气凝胶的制备方法，包括制备双金属骨架、配制前驱体溶液、冰模板法制备气凝胶以及对气凝胶改性四个步骤。