Comment: Compressed Air Tanks vs Batteries

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Compressed Air Tanks vs Batteries

The properties of the air tank can store pressure to be released for energy later are similar to blowing up a balloon, and then using the output to power something; it is like a battery.

So what would happen to the balloon after many uses? It would wear out and need replaced right?

So if we are comparing air tanks to batteries, we should compare them fairly with a cost/benefit analysis. What are the material costs/savings of switching to air tanks over batteries?