Pacific Northwest National Laboratory, a U.S. Department of Energy research lab, has come up with a new formula for hydrogen pellets that looks like it holds a lot of energy, per gram.
The PNNL pellet is made out of ammonia borane, or AB, compressed into small pellets. A milliliter of AB weighs about 0.75 grams and can hold up to 1.8 liters of hydrogen. Researchers speculated that a fuel system powered by AB pellets will occupy less space and be lighter in weight than systems using pressurized hydrogen gas. That's one of the pellets (and not … Read more