Solar cell powers water-to-hydrogen conversion
High efficiency could make perovskites useful for generating environmentally friendly fuel
![solar cell](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/09/sl_hydrogen_feat_free.jpg?fit=860%2C460&ssl=1)
FUEL FROM WATER Hydrogen and oxygen gas bubble off water-splitting catalysts that are powered by low-cost solar cells.
Alain Herzog/LPI/EPFL