Method of making improved gas storage carbon with enhanced thermal conductivity

Patent · Tue Nov 05 00:00:00 EST 2002

OSTI ID:874858

Burchell, Timothy D ^[1]; Rogers, Michael R ^[2]

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1. Oak Ridge, TN
2. Knoxville, TN

A method of making an adsorbent carbon fiber based monolith having improved methane gas storage capabilities is disclosed. Additionally, the monolithic nature of the storage carbon allows it to exhibit greater thermal conductivity than conventional granular activated carbon or powdered activated carbon storage beds. The storage of methane gas is achieved through the process of physical adsorption in the micropores that are developed in the structure of the adsorbent monolith. The disclosed monolith is capable of storing greater than 150 V/V of methane [i.e., >150 STP (101.325 KPa, 298K) volumes of methane per unit volume of storage vessel internal volume] at a pressure of 3.5 MPa (500 psi).

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-00OR22725
• Assignee: Ut-Battelle, LLC (Oak Ridge, TN)
• Patent Number(s): 6,475,411
• OSTI ID: 874858
• Country of Publication: United States
• Language: English

Related Subjects

method
improved
gas
storage
carbon
enhanced
thermal
conductivity
adsorbent
fiber
based
monolith
methane
capabilities
disclosed
additionally
monolithic
nature
allows
exhibit
conventional
granular
activated
powdered
beds
achieved
process
physical
adsorption
micropores
developed
structure
capable
storing
150
vv
>
stp
101325
kpa
298k
volumes
unit
volume
vessel
internal
pressure
35
mpa
500
psi
thermal conductivity
carbon fiber
unit volume
enhanced thermal
methane gas
/264/502/