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Molten Salt Storage for flexibilization of the Future Energy System – Activities at the German Aerospace Center (DLR)

Bonk, Alexander and Ding, Wenjin and Bauer, Thomas (2023) Molten Salt Storage for flexibilization of the Future Energy System – Activities at the German Aerospace Center (DLR). Helmholtz Energy Conference, 2023-06-12 - 2023-06-13, Koblenz, Deutschland.

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Abstract

Thermal Energy Storage (TES) will play a crucial role for the large-scale implementation of renewable energy and the provision of dispatchable electricity in the future. In existing Solar Thermal Power plants, TES systems based on molten salts have been successfully implemented in the GWh-scale and can transform peak-load solar energy into intermediate or even base-load by storing large amounts of energy efficiently. Molten Salt storage systems exhibit an extremely high degree of flexibility in terms of sizing of power and capacity, have very low cost (20 USD/kWh) compared to electric storage solutions, and are inherently compatible with thermal processes. The inherent flexibility opens new fields of applications for Molten Salt systems, such as the flexibilization of Coal-fired power plants into Storage Plants, usage of TES as Carnot Batteries, or its use as a waste-heat recovery system. At DLR, the group "Thermal Systems for Fluids" has investigated molten salts within application-focused R&D activities since more than 30 years. Since almost a decade, research has been focusing on molten nitrate/nitrite salts and molten chloride salts for high temperature storage options and covers the value chain from material aspects to system level integration. The latest developments from materials to components and systems for Molten Salt Storage will be presented.

Item URL in elib:https://elib.dlr.de/199190/
Document Type:Conference or Workshop Item (Speech)
Title:Molten Salt Storage for flexibilization of the Future Energy System – Activities at the German Aerospace Center (DLR)
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bonk, AlexanderUNSPECIFIEDhttps://orcid.org/0000-0002-0676-7267UNSPECIFIED
Ding, WenjinUNSPECIFIEDhttps://orcid.org/0000-0001-5037-5810UNSPECIFIED
Bauer, ThomasUNSPECIFIEDhttps://orcid.org/0000-0003-4080-7944UNSPECIFIED
Date:2023
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Concentrating Solar Power, Molten Salt, Thermal Energy Storage, Stability, Corrosion, Thermodynamics Kinetics
Event Title:Helmholtz Energy Conference
Event Location:Koblenz, Deutschland
Event Type:national Conference
Event Start Date:12 June 2023
Event End Date:13 June 2023
HGF - Research field:Energy
HGF - Program:Materials and Technologies for the Energy Transition
HGF - Program Themes:Electrochemical Energy Storage
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Electrochemical Storage
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Bonk, Alexander
Deposited On:28 Nov 2023 18:39
Last Modified:24 Apr 2024 20:59

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