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SUMMARY:Large-Scale Carbon Materials that Sequester CO2: A Pipeline for Su
 stainable Materials or Pipedream? - Dr Adam Boies (University of Cambridge
 )
DTSTART:20220120T123000Z
DTEND:20220120T133000Z
UID:TALK167942@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:PLEASE NOTE THIS SEMINAR IS 12.30 START AND WILL BE ON ZOOM - 
 LINK: https://us06web.zoom.us/j/84475057850?pwd=cEN3NWtnVGJkNFU3Y2hPdnJHc0
 hDQT09\n\nFoundational materials\, such as steel and aluminium\, have enab
 led transformative advancements in the UK’s automotive\, aerospace and b
 uilt environment. However\, the global production of these foundational ma
 terials represent >8% of worldwide CO2 emissions and is a threat to meetin
 g the critical UK targets of 78% carbon reductions by 2035. Therefore\, th
 e low CO2 intensity alternatives must be found for foundational materials 
 which we use to build our societies. Solid carbon materials offer an oppor
 tunity to sequester CO2 while achieving bulk material functionality proper
 ties that exceed steel\, aluminium and carbon fibre. The functional proper
 ties of nano-carbons (e.g. individual carbon nanotubes – iCNTs) are well
  known\, but only recently1 have large-scale materials composed of nano-ca
 rbons demonstrated strength\, thermal and electrical properties that excee
 d steel\, aluminium and carbon fibre. The theoretical CNT synthesis of nan
 ocarbons from carbon-containing precursors results in a net exothermic rea
 ction that sequesters carbon (e.g. CH4 → C(s) + 2 H2O\, and 30 MJ/kgCH4)
 \, with potential hydrogen as a potential by-product. However\, current CN
 T production processes do not optimise for CO2 intensity with comparable a
 ssociated CNT emissions (32-58 kgCO2e/kgCNT)3 to carbon fibre (20-36 kgCO2
 e/kgCfibre) and greater than steel or (1.4 kgCO2e/kgSteel) or aluminium (5
 -6.3 kgCO2e/kgAl). This seminar discusses the key enablers of producing lo
 w-CO2 intensity materials through improved reactor kinetics and catalyst u
 tilization. Combining improved processes with alternative precursors\, suc
 h as fugitive methane or cellulose-derived organics\, may achieve signific
 ant reductions in CO2 intensity even resulting in net negative materials. 
 We will discuss what innovations are needed to realize these goals and pit
 falls that may prevent the process intensification needed for optimization
 .
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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