Rear-surface phase change material cuts solar panel heat flux by 45% in Milan study

A year-long outdoor experiment found that backing photovoltaic modules with phase change material reduces heat loss by nearly half, suggesting a potential efficiency improvement for solar installations.

First covered Sep 25, 2026 · 12:38 AM PT · 1 article

Rear-surface phase change material cuts solar panel heat flux by 45% in Milan study — Image via pv-magazine.com

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1d PV Magazine The impact of phase change material on rear-side PV heat transfer — A year-long outdoor experiment in Milan found that a PCM-backed PV module had 45.2% lower median rear-side convective heat flux than a reference module.

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iieta.org Increasing Photovoltaic Panel Thermal Efficiency Using Phase Change Materials and Heatsinks: A Numerical and Analytical Study | IIETA

pmc.ncbi.nlm.nih.gov Study on Phase Change Materials’ Heat Transfer Characteristics of Medium Temperature Solar Energy Collection System - PMC

ncbi.nlm.nih.gov Study on Phase Change Materials’ Heat Transfer Characteristics of Medium Temperature Solar Energy Collection System

sciencedirect.com Heat transfer studies of photovoltaic panel coupled with phase change material - ScienceDirect

sciencedirect.com Phase change materials for enhanced photovoltaic panels performance: A comprehensive review and critical analysis - ScienceDirect

Appeared in: 2026-09-25 (#5)

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Rear-surface phase change material cuts solar panel heat flux by 45% in Milan study

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