For scandium just is the best thing to make solid oxide fuel cells out of.
The advantage of solid oxide fuel cells running so hot is that all that waste heat can potentially be put to good use.
FORBES: The Economics of Bloom Energy's 'Breakthrough' Fuel Cell
Solid oxide fuel cells have notoriously faced challenges with durability, since they operate at very high temperatures, which the Bloom box will also have to overcome to prove profitable.
FORBES: The Economics of Bloom Energy's 'Breakthrough' Fuel Cell
Both Apple and Google have one in North Carolina, both of them are using or thinking of using solid oxide fuel cells to at least partially power them.
When co-generating heat and electricity, solid oxide fuel cells can reach combined efficiencies upwards of 85%, which is excellent, but no word yet whether or not the Bloom fuel cell will co-generate heat.
FORBES: The Economics of Bloom Energy's 'Breakthrough' Fuel Cell
The gas is then fed into a stack of solid oxide fuel cells, where a chemical reaction between hydrogen and oxygen occurs, producing electricity, water vapor and a tiny amount of carbon dioxide.
The technology is based on highly efficient solid oxide fuel cells (SOFCs) and microelectromechanical systems (MEMS) wafer fabrication methods, including key nanotechnology elements, and is fueled by recyclable high energy power cartridges, or pods.
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Frankly, I believe that solid oxide fuel cells are the better technology in the long run, but Fuel Cell Energy owns 43% of the shares of VERSA Power that also makes solid oxide fuel cells.
But solid-oxide fuel cells are hardier and offer far more punch because they can use denser hydrocarbons as fuel.
Another is to use powerful solar cells to collect sunlight in conjunction with an efficient solid oxide fuel cell.
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