Comment by abdullahkhalids
2 days ago
This is not true for batteries at all. Just take a look at [1]. Many of these battery chemistries are in wide use. Batteries have several performance metrics: total storage, peak/avg power, round-trip efficiency, lifetime, capex, opex,etc. The relative value of these metrics is different for different applications, so we end up with many different types of batteries being used.
Grid level batteries have another very important metric. The actual possibility of buying a particular types of batteries from friendly nations. Simpler technologies like this CO2 battery have a huge advantage here.
Of course it's true for batteries. There's a huge number of potential battery types, most of which never make it out of the lab, never mind to market. Most on your list there are in are in tiny niches.
To steelman the point you're making: perhaps the short term storage niche will fracture into smaller niches, in which different technologies could coexist. This also happens in ecology. For example, in one simple experiment with bacteria, it was found two species coexisted, but on closer examination it was found one species persisted in the top of the flasks, the other in the bottom.