A eutectic salt high temperature phase change material: Thermal stability and corrosion of SS316 with respect to thermal cycling

Ming Liu; Stuart Bell; Mercè Segarra; N H Steven Tay; Geoffrey Will; Wasim Saman; Frank Bruno

doi:10.1016/j.solmat.2017.05.047

Back

A eutectic salt high temperature phase change material: Thermal stability and corrosion of SS316 with respect to thermal cycling

Journal article

Open access

Peer reviewed

A eutectic salt high temperature phase change material: Thermal stability and corrosion of SS316 with respect to thermal cycling

Ming Liu, Stuart Bell, Mercè Segarra, N H Steven Tay, Geoffrey Will, Wasim Saman and Frank Bruno

Solar Energy Materials and Solar Cells, Vol.170, pp.1-7

2017

DOI: https://doi.org/10.1016/j.solmat.2017.05.047

Files and links (2)

pdf

A eutectic salt high temperature phase change material - Thermal stability and corrosion of SS316 with respect to thermal cycling1.34 MBDownload View

Accepted VersionCC BY-NC-ND V4.0, Open Access

url

https://doi.org/10.1016/j.solmat.2017.05.047View

Published Version

Abstract

phase change material

thermal storage

thermal stability

dynamic gravimetric analysis

corrosion

containment material

Thermal energy storage (TES) is a critical component in a concentrated solar power (CSP) plant since it is able to provide dispatchability and increase the capacity factor of the plant. Recently the Brayton power cycle using supercritical carbon dioxide (s-CO2) has attracted considerable attention as it allows a higher thermal to electric power conversion efficiency compared to the conventional Rankine cycle using subcritical steam. However, no commercial TES has yet been developed for integration with a s-CO2 based plant. One reason is the lack of a suitable storage material. This work explores the use of a eutectic NaCl-Na2CO3 salt as a reliable high temperature phase change material (PCM). The PCM has been thermally cycled up to 1000 times. Its thermo-physical properties have been measured before and after it has been subjected to the thermal cycling and its corrosion behavior has been investigated. This eutectic salt shows good thermal stability without degradation after cycling 1000 times between 600 and 650 °C. The corrosion rate on stainless steel 316 (SS316) increases linearly up to 350 cycles, and thereafter it stabilizes at 70 mg/cm2.

Details

Title: A eutectic salt high temperature phase change material: Thermal stability and corrosion of SS316 with respect to thermal cycling
Authors: Ming Liu (Corresponding Author) - University of South Australia
Stuart Bell (Author) - Queensland University of Technology
Mercè Segarra (Author) - Universitat de Barcelona
N H Steven Tay (Author) - University of South Australia
Geoffrey Will (Author) - Queensland University of Technology
Wasim Saman (Author) - University of South Australia
Frank Bruno (Author) - University of South Australia
Publication details: Solar Energy Materials and Solar Cells, Vol.170, pp.1-7
Publisher: Elsevier BV, North-Holland
Date published: 2017
DOI: 10.1016/j.solmat.2017.05.047
ISSN: 1879-3398; 0927-0248
Organisation Unit: School of Science, Technology and Engineering
Language: English
Record Identifier: 99737875102621
Output Type: Journal article

Metrics

4 File views/ downloads

52 Record Views

58 Times Cited - Web of Science

InCites Highlights

These are selected metrics from InCites Benchmarking & Analytics tool, related to this output

Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied

UN Sustainable Development Goals (SDGs)

This output has contributed to the advancement of the following goals:

Source: InCites