Activated carbon cryogels and related methods
AssigneesEnerG2, Inc., University of Washington
InventorsAaron M Feaver, Guozhong Cao
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Abstract
Carbon cryogels, methods for making the carbon cryogels, methods for storing a gas using the carbon cryogels, and devices for storing and delivering a gas using the carbon cryogels.
Claims25
A carbon material comprising a surface area ranging from 1500 m2/g to 3000 m2/g, wherein the carbon material comprises a pore size distribution comprising:
- a) pores having a diameter less than 2 nm;
- b) pores having a diameter of 3 nm;
- and
- c) pores having a diameter between 7 and 8 nm.
A carbon material comprising a gravimetric methane storage capacity ranging from 15% to 20%, a surface area ranging from 2400 m2/g to 2600 m2/g and a total pore volume ranging from 1.0 cm3/g to 1.5 cm3/g.
A carbon material comprising a peak pore volume greater than 0.1 cm3/g for pores comprising a diameter less than 2 nm and comprising a peak pore volume greater than 0.1 cm3/g for pores comprising a diameter ranging from 5 nm to 12 nm.
A carbon material comprising a gravimetric methane storage capacity ranging from 0.009 mol/g to 0.013 mol/g at room temperature and 500 psi, a surface area ranging from 1500 m2/g to 2500 m2/g and a total pore volume ranging from 1.2 cm3/g to 1.5 cm3/g.
Dependencies are inferred from the claim text.