Stability and corrosion testing of a high temperature phase change material for CSP applications | Zendy

Ming Liu | Zendy; Stuart Bell | Zendy; Steven Tay | Zendy; Geoffrey Will | Zendy; Wasim Saman | Zendy; Frank Bruno | Zendy

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Stability and corrosion testing of a high temperature phase change material for CSP applications

Author(s) -

Ming Liu,

Stuart Bell,

Steven Tay,

Geoffrey Will,

Wasim Saman,

Frank Bruno

Publication year - 2016

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4949127

Subject(s) - eutectic system , materials science , corrosion , phase change material , latent heat , enthalpy of fusion , fusion , metallurgy , high temperature corrosion , nuclear engineering , composite material , phase change , melting point , microstructure , thermodynamics , physics , linguistics , philosophy , engineering

This paper presents the stability and corrosion testing results of a candidate high temperature phase change material (PCM) for potential use in concentrating solar power applications. The investigated PCM is a eutectic mixture of NaCl and Na2CO3 and both are low cost materials. This PCM has a melting temperature of 635 °C and a relatively high latent heat of fusion of 308.1 J/g. The testing was performed by means of an electric furnace subjected to 150 melt-freeze cycles between 600 °C and 650 °C. The results showed that this PCM candidate has no obvious decomposition up to 650 °C after 150 cycles and stainless steel 316 potentially can be used as the containment material under the minimized oxygen atmosphere

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