Carbon dioxide reduction electro catalysts prepared for metal organic frameworks
View Patent ↗A pyrolyzed MOF catalyst for in the carbon dioxide reduction reaction and methods of making the catalyst. The catalysts are composed of highly porous transition metal organic frameworks exhibiting large pores with regular distribution of transition metals within the structure.
1. A pyrolyzed metal organic framework for carbon dioxide reduction reaction catalyst comprising:
a pyrolyzed metal organic framework consisting of nitrogen-free carbonaceous supports and zero valence copper, the metal organic framework consisting of pores having a pore size of 10-15 angstroms;
wherein the zero valence copper comprises at least a 3:1 ratio of copper (111) facets to copper (200) facets.
2. The catalyst of claim 1 , wherein the catalyst has a selectivity of at least 95% for methanol product formation.
3. The catalyst of claim 1 , wherein the catalyst is a powder having an average grain size of 25 nm.
4. The catalyst of claim 1 , wherein the catalyst has a selectivity of at least 95% for formic acid product formation.
5. The catalyst of claim 1 , wherein the pyrolyzed metal organic framework includes a dopant.
6. A pyrolyzed metal organic framework for carbon dioxide reduction reaction catalyst comprising:
a pyrolyzed metal organic framework comprising nitrogen-free carbonaceous supports having pores wherein copper microcrystallites are positioned within at least a portion of the pores, the copper microcrystallites being in a zero valence state have at least a 3:1 ratio of copper (111) facets to copper (200) facets.
7. The catalyst of claim 6 , wherein the catalyst has a selectivity of at least 95% for methanol product formation.
8. The catalyst of claim 6 , wherein the catalyst is a powder having an average grain size of 25 nm.
9. The catalyst of claim 6 , wherein the pyrolyzed metal organic framework includes a dopant.
10. The catalyst of claim 6 , wherein the metal organic framework has an average pore diameter ranging from 10 to 15 angstroms.