Iraqi researchers develop PVT heat pump coating with 77% efficiency

Researchers demonstrated a photovoltaic-thermal heat pump using a bio-based surface coating that achieved 77.32% overall efficiency while reducing module temperatures by up to 34 degrees Celsius.

First covered Sep 14, 2026 · 1:14 AM PT · 1 article · no longer in the live window

Iraqi researchers develop PVT heat pump coating with 77% efficiency — Image via pv-magazine.com

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12d PV Magazine Photovoltaic-thermal heat pump based on bio-based surface coating achieves 77.32% overall efficiency — Iraqi researchers have developed a PVT heat pump featuring a bio-based TiO₂–linseed-oil coating and three alternative refrigerants.

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sciencedirect.com Energy optimization of photovoltaic-thermal-coupled ground-source heat pumps across Iraqi climates - ScienceDirect

link.springer.com Machine learning-assisted performance enhancement of pvt systems using TiO2–ZnO hybrid nanofluid cooling under Iraqi environmental conditions | Heat and Mass Transfer | Springer Nature Link

ncbi.nlm.nih.gov Adding Nano-TiO2 to Water and Paraffin to Enhance Total Efficiency of a Photovoltaic Thermal PV/T System Subjected to Harsh Weathers

onlinelibrary.wiley.com Experimental study on electricity generation performance of T‐type direct‐expansion solar PVT heat pump system - Zhang - 2024 - Engineering Reports - Wiley Online Library

sciencedirect.com System efficiency of pvt collector-driven heat pumps - ScienceDirect

Appeared in: 2026-09-14 (#5) · 2026-09-15 (#15)

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Iraqi researchers develop PVT heat pump coating with 77% efficiency

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