Preparation method of high-current-density water electrolysis hydrogen production catalyst
A catalyst, high current technology, applied in the electrolysis process, electrolysis components, electrodes and other directions, can solve the problems of low electrolysis efficiency, high energy consumption, low catalyst activity, etc., to improve the activity and efficiency of hydrogen production, easy to control the dispersion, The effect of reducing the energy consumption of hydrogen production
Pending Publication Date: 2022-04-01
CHANGZHOU UNIV
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The invention discloses a preparation method of a high-current-density water electrolysis hydrogen production catalyst, which comprises the following steps: mixing solid organic amine, metal and nanocarbon to obtain a mixture, and carrying out ball milling to obtain a ball-milled mixture; and pyrolyzing the mixture in a nitrogen atmosphere, catalyzing the solid organic amine to decompose by the metal, and'welding 'the metal and the nano carbon in situ to obtain the catalyst for hydrogen production by water decomposition. Wherein the thermal decomposition temperature ranges from 300 DEG C to 650 DEG C, and the thermal decomposition time ranges from 10 min to 24 h. In the prepared catalyst, the metal active component nanoparticles are welded on the outer surface of the carbon nanotube through the nitrogen-doped graphene obtained through metal catalytic solid organic amine decomposition, the size of the metal active component nanoparticles and the dispersity of the metal active component nanoparticles on the surface of the carbon nanotube are easy to control, and the water electrolysis hydrogen production activity and efficiency of the catalyst are improved; and the hydrogen production energy consumption is reduced.
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