Porous polymeric materials for hydrogen storage

Details Porous polymeric materials for hydrogen storage Porous polymeric materials for hydrogen storage

2008-06-27

2011-12-13

Zemel, Irina S (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S077000, C521S186000, C521S187000, C521S189000

Reexamination Certificate

active

08076382

ABSTRACT:
Porous polymers, tribenzohexazatriphenylene, poly-9,9′-spirobifluorene, poly-tetraphenyl methane and their derivatives for storage of H2prepared through a chemical synthesis method. The porous polymers have high specific surface area and narrow pore size distribution. Hydrogen uptake measurements conducted for these polymers determined a higher hydrogen storage capacity at the ambient temperature over that of the benchmark materials. The method of preparing such polymers, includes oxidatively activating solids by CO2/steam oxidation and supercritical water treatment.

REFERENCES:
patent: 1365002 (2003-11-01), None
patent: WO 2005/123737 (2005-12-01), None

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