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Thermal Stability of Nitrate-Based Form-Stable Thermal Storage Materials with In Situ Optical Monitoring
Huang, Qiao1,2; Huang, Yun1; Tian, Aoxue1; Wang, Nafeng1; Sun, Tong1; Xu, Xianggui1
2020-06-10
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume59Issue:23Pages:10737-10745
AbstractThermal energy storage (TES) is a developing technology with promising applications in renewable energy and waste heat recovery. In this study, we investigate the thermal stability of recently developed nitrate-based form-stable TES materials. Laser-induced breakdown spectroscopy (LIBS) is applied to monitor the release of the Na and K elements in nitrates through chemical decomposition exposing to a simulated high heat flow field, while morphology and thermal performance are characterized by typical ex situ methods. The results reveal that the compatibility between ceramic skeleton materials (SiO2 and MgO) and phase-change materials (NaNO3 and KNO3) plays an important role in the thermal performance of composite phase-change materials (CPCMs). A one-step thermal decomposition reaction of SS (sodium nitrate and silicon dioxide composite) and PS (potassium nitrate and silicon dioxide composite) and a two-step decomposition of SM (sodium nitrate and magnesium oxide composite) and PM (potassium nitrate and magnesium oxide composite) are demonstrated by synchronous thermal analysis (STA). The onset temperature of decomposition (OTD) obtained from in situ LIBS measurements is significantly lower than that obtained from STA.
DOI10.1021/acs.iecr.0c00291
Language英语
WOS KeywordPHASE-CHANGE MATERIALS ; INDUCED BREAKDOWN SPECTROSCOPY ; PULVERIZED COAL COMBUSTION ; CHANGE ENERGY-STORAGE ; POTASSIUM-NITRATE ; SODIUM-NITRATE ; HEAT-TRANSFER ; COMPOSITE ; DECOMPOSITION ; PERFORMANCE
Funding ProjectNational Natural Science Foundation of China[21975262] ; National Key Research and Development Program of China[2018YFC1903000] ; Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2019-D-04] ; Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2019-A-10]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Fund of State Key Laboratory of Multiphase Complex Systems
WOS IDWOS:000541684000002
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41255
Collection中国科学院过程工程研究所
Corresponding AuthorHuang, Yun
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Huang, Qiao,Huang, Yun,Tian, Aoxue,et al. Thermal Stability of Nitrate-Based Form-Stable Thermal Storage Materials with In Situ Optical Monitoring[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2020,59(23):10737-10745.
APA Huang, Qiao,Huang, Yun,Tian, Aoxue,Wang, Nafeng,Sun, Tong,&Xu, Xianggui.(2020).Thermal Stability of Nitrate-Based Form-Stable Thermal Storage Materials with In Situ Optical Monitoring.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,59(23),10737-10745.
MLA Huang, Qiao,et al."Thermal Stability of Nitrate-Based Form-Stable Thermal Storage Materials with In Situ Optical Monitoring".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 59.23(2020):10737-10745.
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