Process for producing carbon substrates loaded with metal oxides and carbon substrates produced in this way
AssigneeBlücher GmbH
InventorsChristof Schulz, Hartmut Wiggers
Life of this patent
Estimating the term…
Abstract
The present invention relates to a process for producing a carbon substrate loaded with metal oxides, in particular a carbon material which contains metal oxide nanoparticles and is preferably suitable for use in a catalyst and/or as a catalyst, wherein, in a first process step, nanoparticles of metal oxides are introduced into a matrix based on at least one organic polymer, in particular are dispersed therein, and, in a second process step, the polymer matrix containing the nanoparticles is subsequently carbonised to carbon, optionally followed by a third process step of activation.
Claims11
A carbon substrate loaded with metal oxides on the basis of a carbon material comprising metal oxide nanoparticles,
- wherein the carbon substrate contains immobilized nanoparticles of metal oxides incorporated in a porous carbon matrix and wherein the carbon substrate is obtained by a process, wherein the process comprises the following process steps:
- (i) in a first process step, nanoparticles of metal oxides are introduced or dispersed into a matrix based on at least one organic polymer,
- (ii) then, in a second process step, the polymer matrix containing the nanoparticles is subsequently carbonized to carbon,
- (iii) optionally followed by a third process step of activation,
- wherein the first process step involves providing a dispersion of surface-modified or surface functionalized metal oxide nanoparticles in respective organic monomers or solutions or dispersions thereof, and polymerizing the resulting dispersion containing surface-modified or surface functionalized metal oxide nanoparticles and the organic monomers.
A carbon substrate loaded with metal oxides on the basis of a carbon material comprising metal oxide nanoparticles,
- wherein the carbon substrate contains immobilized nanoparticles of metal oxides incorporated in a porous carbon matrix and
- wherein the carbon substrate is obtained by a process, wherein the process comprises the following process steps:
- (i) in a first process step, nanoparticles of metal oxides are introduced or dispersed into a matrix based on at least one organic polymer, wherein the metal oxide nanoparticles are crystalline having a crystallinity of at least 70% and wherein the metal oxide nanoparticles have a BET surface area in the range from 1 to 2,000 m2/g,
- (ii) then, in a second process step, the polymer matrix containing the nanoparticles is subsequently carbonized to carbon,
- (iii) optionally followed by a third process step of activation,
- wherein the first process step involves providing a dispersion of previously surface-modified or surface functionalized metal oxide nanoparticles in respective organic monomers or solutions or dispersions thereof, and polymerizing the resulting dispersion containing surface-modified or surface functionalized metal oxide nanoparticles and the organic monomers.
Dependencies are inferred from the claim text.