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RSS FeedsEnergies, Vol. 11, Pages 3421: Closed Adsorption Heat Storage--A Life Cycle Assessment on Material and Component Levels (Energies)

 
 

10 december 2018 02:01:22

 
Energies, Vol. 11, Pages 3421: Closed Adsorption Heat Storage--A Life Cycle Assessment on Material and Component Levels (Energies)
 


Closed adsorption storages have been investigated in several projects for heat storage in building applications with focus on energy density and performance. This study complements this research with the assessment of the environmental impacts over the life cycle. Global warming potential (GWP) was chosen as the assessment criterion. Selected sorption materials in combination with water as the refrigerant were analyzed first by themselves and then embedded in a generic storage configuration. Sensible storage in water served as the reference benchmark. Results on material and component level showed that the relative storage capacity compared to water under realistic operating conditions reached values of below 4 and 2.5, respectively, in the best cases. Since the effort for producing the sorbents as well as the auxiliary material demand for assembling storage components was significantly higher than in the reference case, the specific environmental impact per storage capacity also turned out to be ~2.5 to ~100 times higher. We therefore suggest focusing sorption storage research on applications that (a) maximize the utilization of the uptake of sorbents, (b) do not compete with water storages, and (c) require minimal auxiliary parts.


 
197 viewsCategory: Biophysics, Biotechnology, Physics
 
Energies, Vol. 11, Pages 3422: An Analytical Flow Model for Heterogeneous Multi-Fractured Systems in Shale Gas Reservoirs (Energies)
Energies, Vol. 11, Pages 3420: The Impact of Behavioral and Structural Remedies on Electricity Prices: The Case of the England and Wales Electricity Market (Energies)
 
 
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