I think it is a good idea but for me it doesn't seam to fit the lore so well to have a research center being able to increase the storage capacity

It was 1 and I upgraded it to 2 when the update came out.

Around 150 Ships

Yeah I made some sort of farming agreement with @powernap in my region and I also met some new german Steemians in the Dach Guild.

A bit more complex battle system. A battle system where some kinds of Ships are better against a specific other kind of ship , so that not only the number of your ships is important, but also the composition of your fleet.