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Posts Tagged ‘hydrogen’

Innovation On The Hydrogen Generation Front

Thursday, September 17th, 2015

With the relatively cheap price of oil from production to pump, alternative energies, especially R&D seem to have taken a back seat. Battery technologies are progressing (slowly), wind and solar seem stagnant, as do most other innovative technologies, including fusion (well, enough said there). An alternative energy source that has always intrigued me, though, is hydrogen – the base element.

Obviously, it has challenges for safe storage and use, but producing it economically and profitably have also been challenges.

In college I was very interested in converting water to its base elements – hydrogen and oxygen – using a process called electrolysis. It works as the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) as an electric current is passed through the water. This technique can be used to make hydrogen fuel (hydrogen gas) and breathable oxygen; however, today most raw hydrogen fuel is made from natural gas. Not exactly a sustainable alternative source or method.

Even with this drawback, hydrogen is considered an important source of “clean” energy, and the cleanest way to produce hydrogen gas is to split water into hydrogen and oxygen. But, scientists have struggled to develop cost-effective water-splitting techniques.

Recently, though, researchers at North Carolina State University have created a technique using a new catalyst for converting methane and water into hydrogen and a fuel feedstock, called syngas, with the assistance of solar power. The team of chemical engineering researchers used a catalytic material that is more than three times more efficient at converting water to hydrogen gas than previous thermal-water-splitting methods.

“We’re excited about the new material and process because it converts water, inexpensive natural gas and clean, renewable solar energy into valuable syngas and hydrogen fuels,” said Feng He, a PhD student in the lab of Professor Fanxing Li at NC State.

How Can Water Be Turned Into Fuel?

Syngas is a mixture of carbon monoxide and hydrogen, and it’s used as a feedstock for commercial processes that produce synthetic diesel fuels, olefins, and methanol.

(more…)




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