If we understood this, we could explain it. It includes cubic silicon carbide, cobalt oxide, an additional catalyst, water splitting, and charge recombination. You can see our problem.
Remember 45 years ago when golf cart batteries were put in the cabin to store energy provided by solar panels? You could power two or three lights at night, a DC radio, and not much else. But it was cutting edge and thrilling, at least until we had seven days in a row of low hanging clouds, then it was back to kerosene lamps and listening to nightlife wildlife for amusement.
Industrious Swedish scientists at Linköping University engineered a three-layer structure that prevents positive and negative charges from neutralizing each other, then produces green hydrogen.
Hydrogen is an abundant element. Most hydrogen is grey, a by-product of burning fossil fuels that emit carbon dioxide. Green hydrogen emits only water vapor. This method needs only sunlight, no batteries.
Yes, we don’t get it and yes, we are hoping for it.