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The Role of the Chemical Sciences in Finding Alternatives to Critical Resources A Workshop Summary (2012) / Chapter Skim
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3 Critical Materials in Catalysis
Pages 13-20

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From page 13...
... However, be recycled, the ligands cannot. Other examples showif heterogeneous catalysts could be rationally designed, they ing that ligand costs can dominate catalyst costs include could offer tremendous advantages -- for example, in emis- a c onstrained-geometry titanium catalyst for e t hylene sions control applications.
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From page 15...
... Removing NOx from diesel throughput catalyst discovery methodologies holds promise exhaust requires a reduction catalyst and is difficult using for making such advances. existing catalyst technology, whereas removal of carbon Another promising area is the development of new monoxide and unburned hydrocarbons requires an oxidation catalysts for acetic acid production, the second largest use catalyst (Figure 3-2)
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From page 17...
... In the then be used to store intermittent solar or wind energy. area of clean energy technologies, platinum is the most prom- Electrons would be harvested during production and used to ising catalyst for low-temperature fuel cells, electrolyzers, electrolyze water, producing hydrogen that would be stored and photoelectrochemical cells, which use sunlight to power and converted back into electricity using a fuel cell at night electrolysis.
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From page 18...
... We can however, a biomimetic approach is not likely to be successful. even think about using palladium on metal carbides." He also Levi Thompson, Richard Balzhiser Professor of Chemical noted that this approach can be used to design platinum on Engineering at the University of Michigan, and, with Thiel metal carbide catalysts for other electrochemical devices, and Eggert, the third member of the workshop organizing including their use as the anode material in direct alcohol fuel committee, noted that his group has observed that the undercells or the cathode material for oxygen reduction reactions.
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From page 19...
... "The net primary productivity of any a biomass reactor would be conducive for dissolution of the plant-based photosynthetic process is a real limitation when underlying carbide, and he asked if Chen had observed that you talk about the scale that's required to make chemicals in his experiments. Chen replied that there is some tungsten on a big scale." dissolution, but only a small amount.
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Key Terms

  • metal carbide
  • heterogeneous catalysts
  • critical materials
  • binding energy
  • acetic acid

  • carbide materials
  • metal carbides
  • monolayer platinum
  • hydrogen binding
  • emissions catalysts

  • homogenous catalysts
  • carbide catalysts
  • carbide particles
  • platinum monolayer
  • hydrogen evolution

  • replacing platinum
  • platinum monolayers
  • enous catalysts
  • electrolyze water
  • electrocatalysis hold

  • biomass conversion
  • reaction rates
  • energy technologies
  • hold particular
  • catalysis occurs

  • chemical reactions
  • diesel exhaust
  • capital costs
  • enantioselective hydrogenation
  • stable metal


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