https://lifeboat.com/blog/2015/10/storing-energy Safeguarding Humanity Sun, 04 Jun 2017 18:33:52 +0000 hourly 1 https://wordpress.org/?v=6.6.2 https://lifeboat.com/blog/2015/10/storing-energy#comment-265317 Tue, 06 Oct 2015 15:13:59 +0000 http://lifeboat.com/blog/2015/10/storing-energy#comment-265317 OK — so how much energy will be used to create this huge system and concrete piston? How is the seal going to work? Compressed air is much simpler and is already being used in storage systems like salt domes. Water is pressurised by the compressed air which acts like an accumulator — which is of course another name for a battery. Most of this type of storage system are large and capex heavy. Try to think of something more efficient and you will be a Billionaire!

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