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Ding, Wenjin and Bauer, Thomas (2018) Development of molten chloride salts for thermal energy storage in next generation concentrated solar power (CSP) plants. IFAM 2018, Sept. 16-19, 2018, Shengyang, China.
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Abstract
Recently, more and more attention is paid on applications of molten chloride salts in concentrated solar power (CSP) plants as thermal energy storage (TES) and heat transfer fluid (HTF) materials due to their high thermal stability limits (>800°C) and low prices, compared to the commercial TES/HTF materials in CSP - nitrate salt mixtures (decomposed at ~550°C). Over the course of the SunShot Initiative, the U.S. Department of Energy (DOE) has supported the molten chloride salt development for the next generation CSP. A higher TES/HTF operating temperature leads to higher efficiency of thermal to electrical energy conversion of the power block in CSP, however causes additional challenges, particularly increased corrosiveness of metallic alloys used as containers and structural materials. This presentation presents corrosion behaviors and mechanisms of metallic alloys in molten chlorides at operating temperatures (500-800°C), as well as corresponding corrosion mitigation strategies to realize the commercial applications of molten chlorides in CSP, based on our works in these fields.
| Item URL in elib: | https://elib.dlr.de/125794/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Title: | Development of molten chloride salts for thermal energy storage in next generation concentrated solar power (CSP) plants | |||||||||
| Authors: |
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| Date: | 16 September 2018 | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Status: | Published | |||||||||
| Keywords: | concentrated solar power (CSP) plants, thermal energy storage (TES), heat transfer fluid (HTF), corrosion, alloys, corrosion mitigation strategies, molten chlorides | |||||||||
| Event Title: | IFAM 2018 | |||||||||
| Event Location: | Shengyang, China | |||||||||
| Event Type: | international Conference | |||||||||
| Event Dates: | Sept. 16-19, 2018 | |||||||||
| Organizer: | Department of Chemical Engineering, Metallurgy and Materials Engineering, Chinese Academy of Engineering | |||||||||
| HGF - Research field: | Energy | |||||||||
| HGF - Program: | Storage and Cross-linked Infrastructures | |||||||||
| HGF - Program Themes: | Thermal Energy Storage | |||||||||
| DLR - Research area: | Energy | |||||||||
| DLR - Program: | E SP - Energy Storage | |||||||||
| DLR - Research theme (Project): | E - Thermochemical Processes (Storage) | |||||||||
| Location: | Stuttgart | |||||||||
| Institutes and Institutions: | Institute of Engineering Thermodynamics > Thermal Process Technology | |||||||||
| Deposited By: | Ding, Wenjin | |||||||||
| Deposited On: | 10 Jan 2019 15:41 | |||||||||
| Last Modified: | 10 Jan 2019 15:41 |
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