Why does lithium ion get all the grid battery plaudits, where there are so many other potential technologies entering the market. This week we see yet another Vanadium Flow player in Canada’s Cellcube, struggling financially, despite a huge pipeline of activity, showing that in storage it is important to be part of a large financially secure group, rather than focusing purely on innovative products. Toronto based CellCube issued a “corporate update” which effectively said that its CEO Stefan Schauss would drop down to run the manufacturing arm, Enerox, in Austria while a new interim CEO is appointed for the group in the form of Brett Whalen, moved from Chairman. The company is up for sale or any other way forward…