Rethink Energy said a few weeks back that any energy storage battery chemistry that was not lithium ion, would need to have no further technology hurdles in its way, and a watertight method for kicking lithium ion into touch, in order to make it. That and having already raised enough money to build at least one factory. We felt that EnerVenure had the minerals to make it, but could not see that some other technologies out there were still on track. This week we have to add another in Oregon’s ESS going public once again in the trendy SPAC (special acquisition vehicle) and PIPE (private investment in a public equity) combination – it’s pitch is long duration storage, but in…