Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 45, Issue 4, Pages 6285-6292Publisher
WILEY
DOI: 10.1002/er.6251
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Funding
- Department of Science and Technology (FIST)
- Department of Science and Technology (Thematic Nano Mission)
- MHRD- SPARC
- University Grants Commission, India
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In this study, Carbon Aerogel (CA) with varying pore size and surface area was synthesized by adjusting the ratio of Resorcinol (R) and novel Catalyst (triethyl amine [TEA]) (C). The CA with R/C = 1000 exhibited the highest CO2 uptake capacity at 40 atm CO2 pressure, while the activated version of optimum CA (R/C = 1000) showed one of the highest CO2 storage capacities reported so far. This research proposes highly efficient and tunable CAs for enhanced CO2 storage.
The present investigation reports the synthesis of Carbon Aerogel (CA) with varying pore size and surface area by changing the initial precursor that is, Resorcinol (R) and novel Catalyst (triethyl amine [TEA]) (C) ratio (R/C). The catalyst, TEA allows the gel to dry with negligible shrinkage. The R/C ratio has been kept 1000, 2000 and 3000. The CA with R/C = 1000 has the lowest pore size 1.93 nm, the highest surface area (369.14 m(2)/g) and the highest CO2 uptake of 24.40 wt.% (5.54 mmol/) at 40 atm CO2 pressure. The activated version of optimum CA (R/C = 1000) has been found to have an average pore diameter similar to 1.91 nm and CO2 uptake capacity of 29.56 wt% (6.71 mmol/g) at 25 degrees C which is one of the highest CO2 storage capacity of CAs reported so far. Thus, the present manuscript put forward highly efficient and tunable CAs for enhanced CO2 storage.
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