Vanilla 1.1.9 is a product of Lussumo. More Information: Documentation, Community Support.

    •  
      CommentAuthorAngus
    • CommentTimeFeb 23rd 2020
     
    Santa will be pissed.
    •  
      CommentAuthorTrim
    • CommentTimeMar 5th 2020
     
    Electrek.

    New fuel-cell breakthrough in Scotland
    Researchers at the University of Aberdeen in Scotland have discovered a new family of chemical compounds that could revolutionize fuel-cell technology: hexagonal perovskites. The scientists call their discovery a “needle in a haystack.”

    So what are hexagonal perovskites, and what do they have to do with green energy and reducing emissions?

    To put it in layman’s terms, it’s a new chemical compound that exhibits high conductivity at lower temperatures.

    It’s an alternative to ceramic fuel cells, which are highly efficient devices that convert chemical energy into electrical energy and produce very low emissions if powered by hydrogen. They can power homes and cars. But the hitch of ceramic fuel cells is that the high temperature of operation results in a short life span.

    Professor Abbie McLaughlin, director of research in the chemistry department who led the study, says:

    Ceramic fuel cells are highly efficient, but the problem is they operate at really high temperatures, above 800C.

    What we have discovered here is a dual proton and oxide ion conductor that will operate successfully at a lower temperature — around 500C — which solves these problems.

    With hexagonal perovskites, lowering the working temperature prolongs long-term operation and improves stability, safety, and cost.
    •  
      CommentAuthorgoatcheez
    • CommentTimeMar 5th 2020 edited
     
    Considering that they are finding their way into solar cells also, are they made or mined? Is there an investment opportunity here? Or am I too late like in everything else?

    (except toilet paper...the basement is full and working on the garage)
  1.  
    Posted By: TrimNew fuel-cell breakthrough in Scotland
    Oh, that's what they told you, is it?
    •  
      CommentAuthorTrim
    • CommentTimeMay 15th 2020
     
    Can Rice University’s Hydrogen ‘Leaf’ Technology Be A Game Changer? - Revolution-Green.

    https://revolution-green.com/can-rice-universitys-hydrogen-leaf-technology-game-changer/
    • CommentAuthorAsterix
    • CommentTimeMay 15th 2020
     
    6.7% efficiency? Then there's this:

    As I’ve discussed before, traditional hydrogen fuel cells can be thought of as batteries that never run flat as long as the H2 keeps coming.


    Sure, as a gasoline-powered generator can also be thought of in the same way.
    •  
      CommentAuthorAngus
    • CommentTimeMay 15th 2020
     
    Er....
    “With a clever system design, you can potentially make a self-sustaining loop,” Lou said. “Even when there’s no sunlight, you can use stored energy in the form of chemical fuel. You can put the hydrogen and oxygen products in separate tanks and incorporate another module like a fuel cell to turn those fuels back into electricity.”



    I'll get interested when they get as far as 'Forest' technology.
    •  
      CommentAuthorTrim
    • CommentTimeJun 19th 2020
     
    Reactant-Transport Engineering Approach to High-Power Direct Borohydride Fuel Cells.

    https://www.sciencedirect.com/science/article/pii/S2666386420300795?via%3Dihub
    •  
      CommentAuthorTrim
    • CommentTimeJul 24th 2020