Improving the capability of solar thermal energy storage by using a hybrid energy storage system

Author(s):  
Zaeem M. Moosavi ◽  
Hassan Zohoor
Author(s):  
Cary E. Laird ◽  
Andrew G. Alleyne

Abstract The practice of hybridizing energy storage systems is vital to high ramp rate power applications, in which energy storage systems are constrained by strict power and energy requirements. Hybrid energy storage is typically studied in the electrical and thermal domains separately, but due to the inherent link between electrical and thermal energy domains, it is necessary to examine hybrid energy storage in both domains simultaneously. In this paper, a combined electro-thermal energy storage system is modeled and simulated. Equivalent circuit and lumped-parameter models are used to facilitate control design. PI controllers are designed for both the electrical and thermal domains to demonstrate the ability to perform multi-domain energy management.


2019 ◽  
Vol 7 (25) ◽  
pp. 15042-15047 ◽  
Author(s):  
Zhihang Wang ◽  
Raul Losantos ◽  
Diego Sampedro ◽  
Masa-aki Morikawa ◽  
Karl Börjesson ◽  
...  

Molecules capable of reversible storage of solar energy have recently attracted increasing interest. Here, a liquid azobenzene molecule has been studied for solar thermal energy storage applications and integrated into flow-chemistry devices.


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