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Framtidens energilagring: en studie av befintliga samt potentiella metoder för lagring av förnybar el på ett hållbart sätt
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In today’s society there is an increasing demand for renewable energy sources such as sun and wind power. These sources are intermittent, and energy storage is therefore needed to ensure a constant power supply. This report compares pumped hydro energy storage (PHES), compressed air energy storage (CAES), flywheels, batteries, super magnetic energy storage (SMES) and hydrogen energy storage.

The opportunities for further development are limited for PHES and CAES in comparison with the other technologies. Lithium-ion batteries and hydrogen energy storage are considered to have the most potential in the future. This is based on the high energy density and the high demand from other industries, the automotive industry in particular. The most limiting factor for both of these technologies is the high cost.

Currently there is no method that alone can handle all types of energy storage that is needed, but lithium-ion batteries and hydrogen energy storage will play a key role in the future energy storage. 

Abstract [sv]

I dagens samhälle efterfrågas allt mer förnybara energikällor så som sol- och vindkraft. Dessa är intermittenta, och för att kunna förlita sig på dessa krävs energilagring. Denna rapport jämför pumpkraftverk, tryckluft (CAES), svänghjul, batterier, supraledande energilager (SMES) och vätgaslagring.

Utvecklingsmöjligheterna för pumpkraftverk och tryckluftslager är begränsade jämfört med de andra

lagringsmetoderna. De som i denna rapport bedöms ha störst potential i framtiden är

litiumjonbatterier och vätgaslagring. Detta beror på att de har hög energitäthet samt att drivkraften

för utveckling är stor även i andra branscher, framför allt fordonsbranschen. Största begränsningen

för båda teknikerna är kostnaden.

I dagsläget finns ingen metod som kan hantera alla typer av energilagring på egen hand, dock

Place, publisher, year, edition, pages
2014.
National Category
Environmental Management Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-147895OAI: oai:DiVA.org:kth-147895DiVA: diva2:733031
Available from: 2014-07-07 Created: 2014-07-07 Last updated: 2014-07-07Bibliographically approved

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CiteExportLink to record
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