Evonik Operations Gmbh

Sarah Chamski

Renat Kadyrov

Dorit Wolf

Arne Reinsdorf

The present invention relates to catalytically active material, comprising grains of non-graphitizing carbon with cobalt nanoparticles dispersed therein, wherein d, the average diameter of cobalt nanoparticles in the non-graphitizing carbon grains, is in the range of 1 nm to 20 nm, D, the average distance between cobalt nanoparticles in the non-graphitizing carbon grains, is in the range of 2 nm to 150 nm, and ω, the combined total mass fraction of metal in the non-graphitizing carbon grains, is in the range of 30 wt % to 70 wt % of the total mass of the non-graphitizing carbon grains, and wherein d, D and ω conform to the following relation: 4.5 d/ω≥D≥0.25 d/ω. The present invention, further, relates to a process for the manufacture of material according to the invention, as well as its use as a catalyst.

Materials comprising carbon-embedded cobalt nanoparticles, processes for their manufacture, and use as heterogeneous catalysts

The present invention relates to catalytically active material, comprising grains of non-graphitizing carbon with iron nanoparticles dispersed therein, wherein d, the average diameter of iron nanoparticles in the non-graphitizing carbon grains, is in the range of 1 nm to 20 nm, D, the average distance between iron nanoparticles in the non-graphitizing carbon grains, is in the range of 2 nm to 150 nm, and ω, the combined total mass fraction of metal in the non-graphitizing carbon grains, is in the range of 30 wt % to 70 wt % of the total mass of the non-graphitizing carbon grains, and wherein d, D and ω conform to the following relation: 4.5 d/ω>D≥0.25 d/ω. The present invention, further, relates to a process for the manufacture of material according to the invention, as well as its use as a catalyst.

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Freigericht, Germany

Sarah Chamski