REG - Gelion PLC - Breakthrough Sulfur Test Results and MTA agreed

GelionAnnouncement

17/04/2025 07:00

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RNS Number : 4384F  Gelion PLC  17 April 2025

17 April 2025

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

Gelion Achieves Breakthrough in Sulfur Battery Coin Cell Results

Terms Agreed on a Materials Testing Agreement (MTA) with a Tier-One Battery
Manufacturer

Gelion plc (AIM: GELN), the global energy
storage innovator, announces significant advancements in its Sulfur battery
technology, achieving exceptional performance in high power and in cycling
characteristics that supports its goals toward compelling commercial market
propositions for drones, transportation, and grid and remote energy storage
systems. Building upon its recent collaboration with the Max Planck Institute
of Colloids and Interfaces (MPI), announced in March 2025, Gelion has
successfully integrated MPI's technology into sodium-sulfur coin cells, the
industry standard battery testing platform.

Initial tests have yielded exceptional results:

·      Superior Power Capability: Maintaining robust capacity retention
even under extreme charge / discharge rates, with six-minute charge and
six-minute discharge cycles.

·     Outstanding Longevity: Evidence to support MPI testing which
achieved over 1,000 charge/discharge cycles with industry-standard capacity
retention under one-hour charge and one-hour discharge cycles.

·      Industrially relevant results: These tests represent a progression
from laboratory material testing conditions to the industrially
 relevant coin cell development platform*.

*The transition from coin cells to larger format commercial cells is a
well-established pathway. In this case, it is underpinned by the combined
technology introduced by MPI and Gelion and will involve adapting this
technology to standard large-format cell parameters and componentry.

Advancements in Sulfur Battery Performance: Historically, the commercial
adoption of sulfur batteries has been constrained by two key challenges: short
cycle life, which has limited their potential use to niche markets, and low
power output, making them unsuitable for applications in transportation and
aerial drones.

Gelion's test results address these prior challenges, paving the way for
sulfur battery products to achieve a compelling product-market fit and route
to commercial adoption.

Enhanced Power Capability: Rapid charge and discharge capabilities are
critical for applications in transportation and aerial drones. Again, Gelion's
test results more than satisfy this requirement - a key selling point for
modern electric vehicles, also supporting the high-power demands of rapid
acceleration or drone take-offs and landings.

Extended Cycle Life: A battery's cycle life denotes the number of charge and
discharge cycles it can undergo without significant performance degradation.
According to standards set by the United States Advanced Battery Consortium
LLC (USABC), a cycle life exceeding 1,000 cycles is essential for
transportation applications and equally critical for stationary energy
storage. Current testing results are consistent with achieving this target.

Strategic Collaborations and Industry Recognition

Gelion has been actively engaging with potential corporate strategic partners
to accelerate the commercialisation of its technology. The industry is
increasingly recognising the significance of Gelion's developments and the
recent announcement of its collaboration with MPI; traction with major global
partners has been strong.

The Company is delighted to announce that it has agreed the terms of an MTA
with a tier-one battery manufacturer and expects to announce the execution
shortly and a further announcement will be made in due course. This agreement
underscores the recognition of Gelion's innovative technology by a leading
industry player and represents a crucial step in the Company's efforts towards
large-scale adoption of the Group's sulfur battery solutions.

The MTA allows Gelion to provide materials to the manufacturer for them to
test and validate the material performance directly while protecting Gelion's
IP and confidentiality so as to support progression of the development of
mutual understanding with the objective of supporting any potential
consideration of commercial collaboration.

John Wood, CEO of Gelion said: "These results reflect Gelion's commitment to
advancing our battery technologies toward delivering high-performance,
sustainable energy storage solutions to the market. The traction with
potential globally significant industrial players is now moving very quickly,
I look forward to continuing to update the market as we progress."

This announcement contains inside information for the purposes of Article 7 of
EU Regulation No. 596/2014, which forms part of United Kingdom domestic law by
virtue of the European Union (Withdrawal) Act 2018, as amended.

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 (Broker)                                                         +44 (0) 20 3179 5300
 Nick Lovering / Mike Seabrook / Adam Pollock

 Alma Strategic Communications (Financial PR)                                    +44 (0) 20 3405 0205

Justine James / Hannah Campbell / Will Ellis Hancock                           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 (LiS),
Sodium-Sulfur (NaS) and Zinc-based (Zn) hybrid cells to electrify mobile and
stationary applications. 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.

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.
 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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