SunHydrogen’s 1200cm2 hydrogen module has reportedly achieved a 9% solar-to-hydrogen efficiency, which it says is the highest efficiency for a hydrogen module of this size.
Tests at the University of Tokyo in Japan showed that SunHydrogen successfully scaled up its technology while maintaining an efficiency close to the 10% previously achieved with its smaller 100cm² modules.
The US-based company has said the modules remained stable across a temperature range of 5°C to 40°C.
According to Dr. Syed Mubeen, SunHydrogen’s chief technology officer (CTO), the company now aims to refine its design and increase efficiency beyond 10%.
CEO, Tim Young, added, “Scaling up tenfold presents unique challenges, and we are extremely pleased to have maintained such high efficiency in our first large-area test.
“To our knowledge, this remains the highest reported efficiency for a hydrogen module of this scale.”
Additionally, SunHydrogen visited Honda R&D in Japan, where they are testing SunHydrogen’s smaller 100cm2 modules in real-world rooftop conditions.
Honda is set to test the 1200cm2 modules under on-sun conditions using a similar rooftop setup. SunHydrogen will utilise performance data from these tests to further refine its modular design.
SunHydrogen’s modules have been developed in collaboration with CTF Solar. Last year, the company agreed to integrate its solar cell modules into SunHydrogen technology to enhance photovoltaic elements and achieve efficient hydrogen production.
Read more: SunHydrogen seals agreements utilising its green hydrogen panels
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