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and the second is a 3-D porous graphene foam. The graphene gel provides the same functionality as porous carbon a material currently sourced from coconut husks for use in supercapacitors and other energy conversion and storage technologies but with vastly enhanced performance.
porous graphene,"said Shannon Mark Mahurin of ORNL's Chemical sciences Division, who co-led the study with Ivan Vlassiouk in ORNL's Energy and Transportation Science Division."
"said Vlassiouk, pointing out a wealth of water travels through the porous graphene membrane.""The flux through the current graphene membranes was at least an order of magnitude higher than that through state-of-the-art reverse osmosis polymeric membranes."
A porous graphene membrane could be more permeable than a polymer membrane, so separated water would drive faster through the membrane under the same conditions, the scientists reasoned."
Vlassiouk said making the porous graphene membranes used in the experiment is viable on an industrial scale,
%The highly porous graphene electrode also greatly increases the capacity of the demonstrator, although only at certain rates of charge and discharge.
The Rice lab of chemist James Tour discovered last year that firing a laser at an inexpensive polymer burned off other elements and left a film of porous graphene, the much-studied atom-thick
The Rice lab of chemist James Tour discovered last year that firing a laser at an inexpensive polymer burned off other elements and left a film of porous graphene, the much-studied atom-thick
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