| Title |
Feasibility Study on Thermochemical Energy Storage Using Medium and Low Temperature Heat Source |
| Authors |
Moon Yong Park; Woo Su Lee; Seung Soo Lee; Xuan Quang Duong; Jae Dong Chung |
| DOI |
https://doi.org/10.6110/KJACR.2021.33.6.272 |
| Keywords |
흡착 저장; 열화학 에너지저장 시스템; 열에너지저장 밀도 Adsorption storage; Thermochemical energy storage system; Heat energy storage density |
| Abstract |
Various methods are being studied to meet the demand for heat energy for cooling and heating. Energy utilization methods using adsorption and desorption have the advantage of being eco-friendly and have been actively studied recently. In particular, they have a higher energy density than storage system using sensible heat or phase change of water. In addition, research is being conducted regarding energy storage with small energy loss, despite long-term storage. However, driving conditions and performances are different depending on the adsorption pair and necessitate further investigation before commercialization. Although studies on the components and shapes of adsorption beds have been actively conducted worldwide, research focusing on the outlet temperature of hot water discharged from the storage system is still insufficient. Therefore, in this study, we identified how various driving conditions of the system affect the effective energy density and outlet temperature of the bed. Our findings revealed that the effective energy density and outlet temperature of the bed were higher since the evaporator temperature and inlet temperature were higher and the flow rate was lower. In addition, in case of same flow rate, the results in series conditions were better than in parallel. |