The Coretec Group Provides an Update on its CSpace Technology Partnership with The University of Adelaide

The University of Adelaide is examining four low-phonon energy glasses that have potential for large-scale manufacturing, while maintaining high optical quality.

The Coretec Group (OTCQB: CRTG), developers of silicon anode active materials for lithium-ion batteries and cyclohexasilane (CHS) for EV, cleantech, and emerging tech applications, today provided an update on its partnership with The University of Adelaide, one of the global top universities in the field of applied glass and science photonics, to develop a glass display to be used in Coretec’s CSpace, an eyeglass-free, 3D static volumetric display technology that produces high-quality 3D images with applications in medical imaging, automotive and aerospace design, defense space visualization, air traffic control, and more.

For background, Coretec’s CSpace technology controls two invisible infrared lasers to generate visible, 3D image pixels in an imaging chamber. The imaging chamber relies on rare earth ions that are dispersed within the chamber material to create visible pixels at the locations where the two lasers intersect. 3D images are created by scanning the two lasers across the imaging chamber material.

Coretec has previously examined the use of low-phonon energy NaYF₄ single crystal, and ZBLAN fluoride glass as the imaging chamber material. The challenge in creating high quality imaging is both materials are difficult to produce at a sufficient quality and size, certainly not enough to be considered commercially useful.

Currently, the University is examining four types of alternative low-phonon energy glasses that hold potential for large-scale manufacturing with high optical quality. As a first proof-of-concept step, they have fabricated four small-scale (1-inch) glasses, doped with the same amount of the rare earth ion Er³⁺ which can generate green image pixels using a dual-infrared laser system. According to preliminary results, a specific type of heavy metal oxide glass is brighter than the reference ZBLAN fluoride glass under the pulsed dual-infrared laser system at Adelaide, while the other types of glasses are considerably dimmer.

“We are delighted by the results of our work with Coretec’s CSpace technology thus far,” said Dr. Yunle Wei, a glass scientist at the University of Adelaide, working on the project. “We expect to see even more exciting results as we expand the size of the imaging chambers and look forward to providing updates to the image’s color and brightness as they develop.”

“This 3D volumetric display research is exciting as it brings new material innovations, dual-laser excitation and control in materials, and scaling-up manufacturing approach for enabling practical technology,” said Professor Nelson Tansu, Head of School of Electrical and Electronic Engineering at the University of Adelaide.

The University’s next steps, led by Professor Heike Ebendorff-Heidepriem, will be to examine the brightness of the fabricated four small-scale glasses under Coretec’s dual-infrared laser system and then begin fabricating a medium-scale (2-inch) heavy metal oxide glass image chamber. Developments even further beyond those could include a 10-inch glass chamber, along with multi-color imaging chambers.

“Our 3D volumetric displays require the best possible imaging chamber, and the team at the University of Adelaide has demonstrated the right approach to doing so and is backed up by the initial data,” said Matt Kappers, CEO of The Coretec Group. “While our focus remains on Endurion, our battery development program, we’re pleased with the steady progress of our CSpace technology and look forward to providing future updates.”

About the University of Adelaide’s Institute for Photonics and Advanced Sensing (IPAS)

The Institute for Photonics and Advanced Sensing (IPAS) fosters excellence in research in materials science, chemistry, biology, and physics and develops disruptive new tools for measurement. IPAS was created to bring together experimental physicists, chemists, material scientists, biologists, experimentally driven theoretical scientists, and medical researchers to create new sensing and measurement technologies.

About The Coretec Group

The Coretec Group, Inc. is developing a portfolio of engineered silicon to improve energy-focused verticals, including their Endurion battery program, which aims to manufacture silicon anodes for faster-charging, improved cycling and increased energy density lithium-ion batteries, solid-state lighting (LEDs), and semiconductors, as well as 3D volumetric displays and printable electronics. The Coretec Group serves the global technology markets in energy, electronics, semiconductor, solar, health, environment, and security.

For more information, please visit thecoretecgroup.com.

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Forward-Looking Statements

The statements in this press release that relate to The Coretec Group’s expectations with regard to the future impact on the Company’s results from operations are forward-looking statements and may involve risks and uncertainties, some of which are beyond our control. Such risks and uncertainties are described in greater detail in our filings with the U.S. Securities and Exchange Commission. Since the information in this press release may contain statements that involve risk and uncertainties and are subject to change at any time, the Company’s actual results may differ materially from expected results. We make no commitment to disclose any subsequent revisions to forward-looking statements. This release does not constitute an offer to sell or a solicitation of offers to buy any securities of any entity.

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