Splitting water for renewable energy simpler than first thought

Splitting water for renewable energy simpler than first thought? Manganese-based catalyst shows promise

An international team, of scientists, led by a team at Monash University has found the key to the hydrogen economy could come from a very simple mineral, commonly seen as a black stain on rocks.

Not to rain on this parade, but I've seen zillions of stories like this over the years.  It shows promise, but it isn't here yet.