# Tags: Perovskite

![Illustration of a UK home with rooftop solar panels and a home battery.](/uploads_resolved/images/604/320.webp)

## [Perovskite Mini-Module Reaches 23.9%: What It Means](/resources/perovskite-mini-module-fill-factor-239-percent/)

**By:** David Coleman · **Published:** 2026-11-05 20:06:26 · **Updated:** 2026-11-05 12:06:37

A peer-reviewed study reports a certified 23.9% perovskite mini-module. Understand its 19.48 cm2 test area and the gap between a lab result and roof panels.

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![Illustration of a UK home with rooftop solar panels and a home battery.](/uploads_resolved/images/604/320.webp)

## [Noak Raises EUR5m for Tandem Solar Development](/resources/noak-tandem-solar-funding-europe/)

**By:** David Coleman · **Published:** 2026-11-05 20:05:39 · **Updated:** 2026-11-05 12:05:49

Noak has raised EUR5 million to develop perovskite-silicon tandem solar. What the European spinout means for UK buyers, and what remains unproven.

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![A realistic documentary-style image of a slender unbranded experimental unmanned aircraft in level cruise, about five metres in overall size, seen from a three-quarter rear angle...](/uploads_resolved/images/853/320.webp)

## [Lithium-Sulphur Battery and Perovskite Solar Drone Completes Two-Hour Flight](/resources/yesterday-uk/)

**By:** David Coleman · **Published:** 2026-10-01 11:58:28 · **Updated:** 2026-10-01 11:33:40

A lithium-sulphur battery drone with perovskite solar cells flew almost two hours. What the test does and does not prove for UK energy sites.

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[Read Lithium-Sulphur Battery and Perovskite Solar Drone Completes Two-Hour Flight](/resources/yesterday-uk/)