Publication date: 14th September 2021
Hi, my name is Jack Reynolds. I am a EngD student currently in my second year based in Swansea Univeristy Bay Campus and Baglan PMRC. My EngD project is the re-use of industrial waste heat utilising thermochemical materials and my project sponsor is TATA Colors.
The focus of my poster is on the material development side of the project. Here, we are looking at a novel alginate/expanded graphite based composite for use in Thermochemical heat storage. In order for the chemicals to react sufficiently they need to be held in a robust, porous material for good reaction kinetics. Vermiculite is often used as it is a cost effective, lamella like structure that is able to hold reacting salts. A potential downside to vermiculite is however its low thermal conductivity. Expanded Graphite is a material with a high thermal conductivity and combined with an alginate polymer we have synthesised a novel composite with sufficient characteristics. The material has shown to be robust in comparison to vermiculite while also showing a porous network throughout as seen in the SEM imaging. Going forward, we aim to analyse the charging performance with a high temperature moisture analyser and the discharging performance with RIG setup built in-house. Examples of the data received from these are shown in the remaining graphs.
I would like to gratefully acknowledge the support of the Materials and Manufacturing Academy (M2A) throughout the work conducted for this poster.
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