REG - Gelion PLC - Successful MPI Tech Transfer & Sulfur CAM Scale-Up

GelionAnnouncement

Wed 07:00

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RNS Number : 8082X  Gelion PLC  03 September 2025

3 September 2025

Gelion plc

("Gelion", "Company" or the "Group")

 

Successful Transfer of MPI Technology and Scale-Up of Sulfur CAM Production

 

Gelion plc (AIM: GELN), the UK-Australian battery technology innovator, is
pleased to announce it has successfully transferred and integrated the Max
Planck Institute of Colloids and Interfaces (MPI) advanced materials and has
successfully fabricated the sulfur cathode active material ("CAM") in its
Sydney based ACPC facility. This is a major technical milestone in advancing
Gelion's next‑generation Lithium Sulfur (Li-S) and Room Temperature Sodium
Battery (Na-S) battery technologies, enabling the Company to expand partner
testing, materially de‑risking the pathway to market adoption, whilst giving
the Company greater operational control.

 

Key Highlights

·    Technology transfer and operational control: Successful transfer of
proprietary sulfur CAM technology from MPI into Gelion's in‑house
operations.

·    Expand partner testing: Commissioning of the fabrication capability in
Sydney allows Gelion to support ongoing as well as expand partner testing with
intended supply chain partners.

·   Acceleration of collaboration: Higher volumes (compared to MPI) now
support multiple concurrent trials and faster feedback cycles.

·    Commercial momentum: Milestone materially de‑risks the pathway to
market adoption of Gelion's high‑energy, high power and high longevity
sulfur‑based batteries.

Successful completion of MPI technology transfer

Following the strategic collaboration with the MPI announced in March 2025,
Gelion has now successfully completed the full transfer of MPI's proprietary
sulfur CAM technology into the Company's development and production ecosystem.

This achievement provides Gelion with end‑to‑end capability for
fabrication, cell prototyping and testing, as part of the path towards
scale‑up, and commercialisation of sulfur CAM for our Li-S and Na-S
technologies.

Acceleration of collaboration and feedback cycles

Increased CAM volumes will enable the Company to accelerate its collaborative
development programmes, allowing for multiple concurrent partner trials,
shorter testing loops, and more rapid incorporation of feedback into product
optimisation. These developments are expected to materially reduce technical
risk and strengthen the pathway towards broad commercial adoption of
sulfur-based battery systems.

John Wood, Gelion CEO commented: "We are very pleased with the progress that
has been achieved here working in collaboration with MPI. There has been
exceptional commitment shown, including, our research lead spending extended
time at MPI to develop understanding and several individuals in our team going
well above and beyond to allow for quick progress.  Gelion is making progress
with understanding and releasing the potential of this exceptional technology,
such as that described in the recent release about the performance of our Li-S
and Na-S technology. The increased fabrication capability supports us
continuing to step up our internal development activities along with our
ability to support ongoing external testing activities.

 

CONTACTS

 Gelion plc                                                                                                                                                                                                via Alma
 John Wood, CEO

Amit Gupta,
 CFO

 Prof. Thomas Maschmeyer (Founder and Director)
 Strand Hanson Limited (Nominated and Financial Adviser)                                                                                                                                                   +44 (0) 20 7409 3494

Christopher Raggett / Rob Patrick
 Oberon Capital (Joint Broker)                                                                                                                                                                             +44 (0) 20 3179 5300
 Nick Lovering / Mike Seabrook / Adam Pollock

 Allenby Capital Limited (Joint Broker)                                                                                                                                                                    +44 (0) 20 3328 5656

 Jos Pinnington / Guy McDougall (Sales and Corporate Broking)

 Alex Brearley / Ashur Joseph (Corporate Finance)
 Alma Strategic Communications (Financial PR)                                                                                                                                                              +44 (0) 20 3405 0205

Justine James / Hannah Campbell / Rose Docherty                                                                                                                                                          gelion@almastrategic.com (mailto:gelion@almastrategic.com)

About Gelion

Gelion ("gel: ion") is a global energy storage innovator, supporting the
transition to a more sustainable economy by commercialising globally important
next generation battery technologies: Sulfur based, Lithium-Sulfur (Li-S),
Sodium-Sulfur (Na-S) and Zinc-based (Zn) hybrid cells to electrify mobile and
stationary applications and battery recycling technology.

Gelion plc (the Group) is listed on the London Stock Exchange's Alternative
Investment Market and wholly owns UK based OXLiD Ltd and Battery Minerals Ltd
and Australia based Gelion Technologies Pty Ltd.  Gelion is designing and
delivering innovative battery technology to enable that transition and return
value for its customers and investors.

In addition, Gelion is also delivering commercial Battery Energy Storage
Systems (BESS) projects through its Integration Solutions business.

Sulfur Batteries

Gelion's effort is directed at the potential for sulfur-based cathode active
materials (CAMs) to deliver low-cost & sustainable batteries with
compelling performance. In the case of Li-S batteries, the target is a
high-performance light-weight battery for the EV and e-aviation market. In the
case of Na-S batteries, the target is an ultra-low-cost advancement on
batteries currently employed in the stationary storage and economy EV market.
The company's overarching goal is to help make global transport, energy
consumption and storage more sustainable.

Glossary

 Ah                      Ampere hours. A measure of capacity stored in the cell. The larger the number
                         the higher the capacity.
 mAh/g(S)                The unit mAh/g(S) stands for milliampere-hours per gram of Sulfur (with S
                         indicating "Sulfur"). It is a measure quantifying how many electrons (in mAh)
                         can be stored per gram of Sulfur.
 CAM                     Cathode active material
 Energy density (Wh/kg)  The ratio of energy stored per unit weight i.e. Watt-hours per kilogram. The
                         higher the number the lighter the battery.
 Pouch cell              An industry standard format of a battery which comprises a flat pouch-shaped
                         design with a multi-layered laminate structure.
 Cycle life              The number of full charge and discharge cycles a battery can complete before
                         its capacity falls below a specified level, typically 80% of the original
                         capacity. Higher cycle life indicates longer-lasting performance.

 

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