It may sound like the name of the latest telemarketing invention that we’ll soon need to have, but Powerpaste it is actually a very promising scientific breakthrough. It is a solid magnesium hydride based paste that opens the door to the development of hydrogen bikes, because it accumulates this fuel.
Also suitable for hydrogen electric vehicles and drones, it is a solid fuel that eliminates the problem of transporting and storing hydrogen from the equation.
More autonomy than gasoline and higher energy density
The research team at the Fraunhofer Institute for Advanced Materials and Manufacturing Technology in Dresden has developed this novel formula to replace high-pressure tanks (typically 700 bar) where hydrogen is stored.
Equip passenger cars and heavy trucks of these storage tanks it is not a technical problem, but it is in scooters and electric motorcycles. Not to mention the high costs of high pressure transport and the hydrogen charging infrastructure.
That is why this fluid paste has been developed: magnesium powder combines with hydrogen to form magnesium hydride in a process carried out at 350 ° C and five to six times atmospheric pressure.
Thus, Powerpaste stores hydrogen in chemical form at room temperature and atmospheric pressure and is then released on demand. As explained, it is a safe fuel since it does not begin to decompose until it reaches temperatures of around 250 ° C, so it would not pose a danger to a motorcycle parked in the sun.
Its creators ensure that refueling is as simple as empty a tube of pasta, which when mixed with water Inside the tank on board, it releases hydrogen gas in the amount necessary to the requirements of the fuel cell.
The researchers behind this technology promise that, in addition to having a high energy density, it offers a autonomy even higher than gasoline.
“Powerpaste has an enormous energy storage density. It is substantially higher than that of a 700 bar high pressure tank, and compared to batteries, it has 10 times more density”, explains researcher Dr. Marcus Vogt associate of Fraunhofer IFAM.
Its use is aimed at electric motorcycles, large drones, automobiles, delivery vehicles and range extenders in electric vehicles.
Best of all, it is not a simple experiment, as the Fraunhofer Institute is currently building a Powerpaste production plant which will come into operation this year, and it is expected to produce up to four tons of this hydrogen paste per year.
Photo | Fraunhofer IFAM
Source: Motorpasión by feeds.weblogssl.com.
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