▎ 摘　　要

NOVELTY - Catalyst, is claimed. The catalyst is supported by macroporous mesoporous zirconium dioxide-germanium, and platinum-nickel nano-alloy active components are attached to the surface. The pore diameter is 2-7 mu m. The pore diameter of the mesopore is 15-17 nm. The pore volume is 3.1-3.8 cm3/g. USE - The catalyst is useful for hydrogen purification of energy fuel cell, e.g. proton exchange membrane fuel cell (claimed). ADVANTAGE - The catalyst: has specific surface area of 400-500 m2/g, compressive strength of 7-8 MPa, and the thermal conductivity of 36-39 W/m/K. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing catalyst comprising adding 25 ml concentrated sulfuric acid in the flask, cooling to 0-2 degrees C, stirring, adding 0.5 g natural crystalline flake graphite, 0.5 g sodium nitrate, adding 3 g potassium permanganate particles, stirring uniformly, placing the flask in 35 plus minus 2 degrees C of constant temperature water bath, when the reaction liquid temperature rises to 35 plus minus 2 degrees C, continuously stirring, adding the 46 ml of de-ionized water into the solution, stirring for 15 minutes at 98 plus minus 2 degrees C, after high temperature reaction, adding 140 ml de-ionized water and 3 ml 30 wt.% hydrogen peroxide, reacting for 40 minutes, using 1-3 wt.% hydrochloric acid solution to wash, washing with de-ionized water, washing to neutral for many times, obtaining 5-15 wt.% of graphene oxide suspension, (2) adding citric acid to the graphene oxide solution, concentrated nitric acid, zirconium acid tetrabutyl ester in the ratio of is 2-3: 0.2-0.3: 1, magnetic stirring to obtain sol, (3) introducing the sol into the test tube, sealing, placing in 80-90 degrees C, vacuum drying box, reacting for 24-36 hours to obtain the shaping gel, (4) the gel in many test tubes into the hydrothermal reaction kettle containing aqueous solution of chloroplatinic acid and nickel nitrate, using nitrogen to remove air, carrying out hydrothermal reaction, and obtaining catalyst precursor, and (5) filtering and washing the catalyst precursor, and using freeze drying, performing reduction treatment under reducing atmosphere to obtain catalyst.