SunHydrogen shares update on its progress towards commercialisation of nanoparticle-based green hydrogen technology

Developer of a breakthrough technology to produce renewable hydrogen using sunlight and water, SunHydrogen, has provided a a Q3 update on the company's progress toward multiple planned 2022 milestones.
SunHydrogen shares update on its progress towards commercialisation of nanoparticle-based green hydrogen technology
Courtesy of SunHydrogen.

Earlier this year, SunHydrogen published both a Q1 update and a Q2 update detailing four key developmental milestones required for a production-quality prototype of the Company's nanoparticle-based green hydrogen technology by the end of Q4 2022. These targets included:

Successful fabrication of semiconductor units at production-quality prototype scales

Successful integration of membranes at production-quality prototype scales

Successful integration of catalysts at production-quality prototype scales

Successful testing and demonstration of production-quality prototype units

In a detailed summary of the company's Q3 progress in each of these areas:

While SunHydrogen has successfully fabricated one of its two proprietary semiconductor units, supply chain challenges has delayed the fabrication of the second proprietary semiconductor unit. However, since then, SunHydrogen's scientific team has worked diligently to identify alternate solutions while continuing to resolve the supply chain issue. These solutions include pairing one of SunHydrogen's proprietary semiconductor units with silicon heterojunction solar cells or perovskite solar cells.

The company recently demonstrated solar hydrogen production by pairing one of its nanoparticle semiconductor units with silicon heterojunction solar cells and perovskite solar cells. The team is currently optimising this alternate approach to maximise solar-to-hydrogen efficiency. In addition, it will also develop vendor-independent novel deposition chemistry for growing the second semiconductor unit. Both approaches will be evaluated at prototype-relevant scales.

SunHydrogen has completed its initial phase study on membrane integration with industrial partners Chromis Technologies and Ionomr Innovations. The Company is evaluating membrane integration efficacy at the Singh Lab at the University of Michigan, led by Dr. Nirala Singh, one of the lead inventors on SunHydrogen's patent for Photoelectrosynthetically Active Heterostructures.

The Singh Lab has developed and evaluated oxygen and hydrogen evolution catalysts of various compositions and thicknesses. The hydrogen evolution catalysts match the best performing catalysts and can be deposited on the Company's solar cell materials with low thickness to mitigate parasitic light absorption. These catalysts are being integrated with the systems used by the Company’s scientific team.

The Singh Lab has also been developing a model to scale up to multi-wafer systems, which is currently being validated. The model incorporates the entire system, including generator housing, oxygen evolution catalyst and hydrogen evolution catalyst, and also helps identify the most important components for further increasing hydrogen production efficiency.

On September 6th, SunHydrogen published rendered images of the prototype design for its forthcoming nanoparticle-based green hydrogen technology. These images illustrated the Company's generator housing, which protects the hydrogen panel and ensures safe and efficient hydrogen collection.

The generator housing prototype shown in the rendered images incorporates all essential elements in one unit. This includes SunHydrogen's nanoparticle-based hydrogen panel, integrated with catalysts and membranes, and the entire flow system for water input and gas outlet. Further, this small-scale prototype is intended to fit one single nanoparticle-based hydrogen panel for testing in a controlled environment.

Upon successfully validating the small-scale prototype, the Company will focus on developing a larger-scale model that can integrate up to 40 such nanoparticle-based panels to demonstrate solar hydrogen production in a natural environment.

“Following the release of our prototype design, we would like to confirm to our shareholders and supporters that our scientific team is currently evaluating a physical, working model of the small-scale device you saw in rendered image format” said SunHydrogen’s Chief Scientific Officer Dr. Syed Mubeen. “We are preparing to demonstrate solar hydrogen production using this prototype, and we remain on track to do so in Q4 2022.”

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