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D4.3 Report on TPER mechanical resistance and stability - Executive Summary

The TPER prototype was assembled at Solaronix after coordination with Hysytech during the mid-term general meeting in Torino (October 2022).
All the fittings needed for the liquid circulation were bought, and specific equipment was adapted at Solaronix premises to get the best conditions for the long-term stability test under lighting.
Once the set up was working, the anode was coated with BiVO4 in order to simulate the real conditions for the TPER under working. As it was decided not to use any membrane as planned at the beginning, so the membranes were not included into the TPER for the stability test (can be added later if needed or if specific reasons appear to be interesting).
The test began November 7th, 2022 and was also running during the whole month of December 2022, and was stopped on January 3rd, 2023 (total of 1,361 hours).
No obvious mechanical trouble was observed during this period: no leakage, no warming, or mechanical deformation.
The TPER seems to be perfectly stable under these long-term artificial sun irradiation conditions.
Feedback for design optimization can be :
- Mark on edge to have easier assemble/disassemble handling.
- Thin metallic foil in front of the reactor with an air gap between the foil and the metallic front plate to reduce any additional warming by the sunlight.
- Metallic fittings on the back.