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Old Power Stations Become Fabulous Green Assets, Reveals IDTechEx
That leaves other forms of battery and various battery-less solutions. They not only come to the rescue; they can hugely assist with the stranded assets of the clean-up from fossil-fueled power stations to hydro dams and pumped storage on waterways that are drying up.
Das continues,
He finds that Redox Flow Batteries (RFB) will produce a better Levelised Cost of Storage (LCOS) than lithium-ion in some of the new demand scenarios. Fewer expensive materials, longer life, repairable, and no fade over the years are part of that calculation. See more in the IDTechEx report, "Redox Flow Batteries 2021-2031".
For stationary energy storage, RFB may have the second-largest sales in 2031 after lithium-ion batteries. The world is running short of pumped storage sites and their approval and erection is pitifully long. Lithium-ion batteries suffer ongoing shortages of raw materials and, like pumped storage, their environmental credentials are increasingly questioned. Lift-off in solar-house batteries and electric vehicles will aggravate lithium-ion shortages.
Seasonal storage with no leakage calls for battery-free solutions with IDTechEx seeing great potential for gravity storage in various forms when they are proven. It could even employ on-site the trashed smokestacks and cooling towers of obsolete power stations making them less ugly. Compressed air underground should also be successful for long-term storage but it needs special locations. The Siemens Gamesa thermal storage looks excellent for hours to days of storage, with no troublesome materials.
However, IDTechEx is careful to point out that although the primary need is for delayed electricity, there is some scope for using electricity to make stored low-grade heat that is then used as heat because it has neither the capacity nor the temperature to be converted back into electricity. There is also the option of using surplus electricity to make chemicals such as hydrogen or for long-term storage, more appropriate chemicals. However, neither option will efficiently run electrics, from vehicle charging to climate control and industrial needs when they are required at a later time.
For more information on the IDTechEx report, please visit www.IDTechEx.com/SESBatteryless, or for the full portfolio of Energy Storage research available from IDTechEx please visit www.IDTechEx.com/Research/ES.
IDTechEx guides your strategic business decisions through its Research, Subscription and Consultancy products, helping you profit from emerging technologies. For more information, contact research@IDTechEx.com or visit www.IDTechEx.com.
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