REG - Gelion PLC - Prof. Rachid Yazami Appointed Technology Advisor

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RNS Number : 0353P  Gelion PLC  15 January 2026

15 January 2026

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

Renowned Scientist Prof. Rachid Yazami Appointed as Technology Advisor

Gelion (AIM: GELN), the global energy storage innovator, is pleased to
announce the appointment of Professor Rachid Yazami as a Technology Advisor to
the Group, effective immediately. He will provide strategic guidance on
battery technology development, supporting Gelion's development of sulfur
battery innovations.

Professor Yazami, widely recognised as a world leading battery technologist,
is well-known for his pioneering work in establishing the reversible
intercalation of lithium into graphite in an electrochemical cell, a
breakthrough which led to the lithium-graphite anode which is now used in
commercial lithium-ion batteries, a product with over $80 billion in market
value 1 .

Prof. Yazami is highly awarded and recognized within global the battery
science community. He is personally motivated by the potential of advanced
energy storage technology and Gelion is honoured to have him recognise and
share the same vision for sulfur battery technology to make a positive
contribution to the energy transition and to join Gelion on its mission to
unlock its full potential.

Gelion is developing its sulfur cathode material toward being a drop-in
alternative for the existing standard Lithium-Ion Cathode material options
used in LFP and NMC cells.  As such, Gelion's goal encompasses pairing the
Gelion Cathodes with the standard Graphitic anodes that use the intercalation
methods that Prof. Yazami invented and pioneered.

John Wood, CEO of Gelion, said: "Sulfur battery chemistry has enormous
potential to extend the capabilities of the energy storage industry. Gelion is
moving quickly to explore new technological frontiers. Advanced battery
technology requires expansive thinking by people who can visualize and
conceptualize at a deeper level.

"Prof. Yazami is a powerful thinker who understands the fundamental mechanisms
inside the cells in a comprehensive way. Being able to bring Prof. Yazami
together with our founder Prof. Thomas Maschmeyer and advisor Prof. Markus
Antonietti establishes an exciting nexus of brilliance available to Gelion
both for what they can contribute directly and for the technology leadership,
inspiration and experience they can bring to our talented science team.

"I am very grateful for Prof. Yazami's support for Gelion's important
mission."

Prof. Rachid Yazami added: "I am thrilled to join Gelion's team as an advisor
on this exciting Li-S battery commercialisation project. The Li-S technology
offers great improvement opportunities and is seen as a serious alternative to
the lithium-ion battery in various domains of applications.

"Li-S batteries are cost-effective, high-energy density, safe and
long-lasting. With the Gelion team under the guidance of John Wood, I will
strive to make the commercialisation of the Li-S technology a successful
reality."

About Prof. Yazami

Prof. Yazami is very active today advancing battery effectiveness,
capabilities, and safety.

In terms of battery effectiveness, Prof. Yazami has established a universal
(empirical) law that applies to primary and rechargeable batteries, that is
the state of charge is a linear function of entropy and enthalpy which makes
it possible to better establish the state of charge of any cell. This
breakthrough is being advanced within Prof. Yazami's independent startup KVI
PTE LTD.

In terms of safety, Prof. Yazami has developed a new method based on
entropymetry to detect an early stage of an internal short circuit within a
battery cell, therefore making batteries safer.

Most recently Prof. Yazami invented a new method enabling ultra-fast charging
(UFC) lithium-ion batteries in 10 minutes and below, even while increasing
battery capacity that uses breakthrough fundamental understanding that has
recently been proven by testing with Caltech.

 

CONTACTS

 Gelion plc                                                                                                                                                            via Alma
 John Wood, CEO

Amit Gupta,
 CFO
 Strand Hanson Limited (Nominated and Financial Adviser)                                                                                                               +44 (0) 20 7409 3494

Christopher Raggett / Rob Patrick / Harry Marshall
 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 / Lauren Wright (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. Gelion plc (the Group) is listed on the London Stock
Exchange's Alternative Investment Market and wholly owns UK based Gelion
Europe 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.

 

 1  https://globalenergyprize.org/en/2024/02/12/rachid-yazami-singapore/

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