Splitting water can yield clean-burning hydrogen fuel, but catalysts that generate hydrogen are often expensive, and unstable in water. Now a team from Singapore and Taiwan have shown that carbon fiber cloths coated in inexpensive catalysts can generate hydrogen, and perform not only in water but in seawater as well. The researchers detailed their findings online August 21 in the journal Science Advances.
The most effective catalyst for generating hydrogen is platinum. However, this metal is scarce and expensive, limiting its use in large-scale hydrogen generation. Instead, the researchers investigated molybdenum sulfide as a catalyst. Molybdenum and sulfur are respectively about 300 and more than 100,000 times more abundant than platinum.
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