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SunHydrogen Shares Q3 Update on Progress Toward 2022 Milestones for Commercialization of its Nanoparticle-Based Green Hydrogen Technology

19 September 2022

SunHydrogen, Inc. (OTC: HYSR), the developer of a breakthrough technology to produce renewable hydrogen using sunlight and water, today provided a Q3 update on the Company's progress toward multiple planned 2022 milestones.

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

What follows is a detailed summary of the Company's Q3 progress in each of these areas of focus.

Semiconductor units
In Q2, the Company stated that while it had successfully fabricated one of its two proprietary semiconductor units, supply chain challenges had delayed the fabrication of the second proprietary semiconductor unit.

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.

Today, the Company is pleased to share that it has successfully 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 optimizing this alternate approach to maximize solar-to-hydrogen efficiency. In addition, SunHydrogen will also develop vendor-independent novel deposition chemistry for growing the second semiconductor unit. Both approaches will be evaluated at prototype-relevant scales.

Membrane and catalyst integration
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.

Prototype design
On September 6, 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."

About SunHydrogen, Inc.
SunHydrogen is developing a breakthrough, low-cost technology to make renewable hydrogen using sunlight and any source of water, including seawater and wastewater. The only byproduct of hydrogen fuel is pure water, unlike hydrocarbon fuels such as oil, coal and natural gas that release carbon dioxide and other contaminants into the atmosphere when used. By optimizing the science of water electrolysis at the nano-level, our low-cost nanoparticles mimic photosynthesis to efficiently use sunlight to separate hydrogen from water, ultimately producing environmentally friendly renewable hydrogen. Using our low-cost method to produce renewable hydrogen, we intend to enable a world of distributed hydrogen production for renewable electricity and hydrogen fuel cell vehicles. To learn more about SunHydrogen, please visit our website at www.SunHydrogen.com.

Safe Harbor Statement
Matters discussed in this press release contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words "anticipate," "believe," "estimate," "may," "intend," "expect" and similar expressions identify such forward-looking statements. Actual results, performance or achievements could differ materially from those contemplated, expressed or implied by the forward-looking statements contained herein, and while expected, there is no guarantee that we will attain the aforementioned anticipated developmental milestones. These forward-looking statements are based largely on the expectations of the Company and are subject to a number of risks and uncertainties and other factors, known and unknown, including the risk factors described from time to time in the Company's reports to the Securities and Exchange Commission. The forward-looking statements contained herein are applicable only as of the date on which they are made, and the Company does not assume any obligation to update any forward-looking statements.

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