For many years now at least once a week there has been an announcement of a breakthrough new battery technology that is going to revolutionize energy storage. B

For many years now at least once a week there has been an announcement of a breakthrough new battery technology that is going to revolutionize energy storage. But in spite of all these purported breakthroughs, we are still stuck with li-ion (though it has been improving steadily). I think it would be nice if there was a site that tracked all these announcements, that is had a listing of all of them and how each has done in the following years.