1results about How to "Low platinum loading" patented technology

The application belongs to the technical field of fuel cells, and specifically discloses a high-temperature PEMFC ordered catalytic layer structure electrode and a preparation method, which comprises the following steps: S1, preparation of a gas diffusion layer, to obtain a gas diffusion layer with a hydrophobic agent mass fraction of 15-25%; S2, preparation of an ordered catalytic layer: placing the gas diffusion layer obtained in S1 and a reaction solution in a reaction container to perform a hydrothermal reaction, performing cleaning, drying and calcination treatment after the reaction is completed, to obtain a catalyst carrier array, loading Pt on the catalyst carrier array by using a formic acid reduction method, and then coating a conductive substance, to obtain an ordered catalytic layer structure electrode. The high-temperature PEMFC ordered catalytic layer structure electrode and the preparation method have the advantages of mild preparation conditions, a simple process, low cost, a more stable structure and excellent durability of the electrode under high-temperature and phosphoric acid conditions, and significant improvement of battery performance and service life.