Watts Up With That by Eric Worrall 4/18/2020
Claim: “Bath Sponge†Metal Organic Material Makes Climate Friendly Hydrogen Automobiles Viable
The BBC reports a new highly porous metal organic sponge can hold large volumes of hydrogen at low pressure. But there are still a few issues to solve, like where to get all the hydrogen.
‘Bath sponge’ breakthrough could boost cleaner cars
By Matt McGrath
Environment correspondent
18 April 2020
A new material developed, by scientists could give a significant boost to a new generation of hydrogen-powered cars.
The product, with the glamorous name of NU-1501, has been built from organic molecules and metal ions which self-assemble to form highly crystalline, porous frameworks.
“It’s like a bath sponge but with very ordered cavities,†said Prof Omar Farha, from Northwestern University in the US who led the research.
Read more:
https://www.bbc.com/news/science-environment-52328786The abstract of the study;Here we report the simulation-motivated synthesis of ultraporous metal–organic frameworks (MOFs) based on metal trinuclear clusters, namely, NU-1501-M (M = Al or Fe). Relative to other ultraporous MOFs, NU-1501-Al exhibits concurrently a high gravimetric Brunauer−Emmett−Teller (BET) area of 7310 m2 g−1 and a volumetric BET area of 2060 m2cm−3 while satisfying the four BET consistency criteria. The high porosity and surface area of this MOF yielded impressive gravimetric and volumetric storage performances for hydrogen and methane: NU-1501-Al surpasses the gravimetric methane storage U.S. Department of Energy target (0.5 g g−1) with an uptake of 0.66 g g−1 [262 cm3 (standard temperature and pressure, STP) cm−3] at 100 bar/270 K and a 5- to 100-bar working capacity of 0.60 g g−1 [238 cm3 (STP) cm−3] at 270 K; it also shows one of the best deliverable hydrogen capacities (14.0 weight %, 46.2 g liter−1) under a combined temperature and pressure swing (77 K/100 bar → 160 K/5 bar).
Read more:
https://science.sciencemag.org/content/368/6488/297More:
https://wattsupwiththat.com/2020/04/18/claim-bath-sponge-metal-organic-material-makes-climate-friendly-hydrogen-automobiles-viable/