Gelion (LSE:GELN) has successfully completed an Advanced Propulsion Centre UK-funded programme evaluating its Nano-Encapsulated Sulfur cathode technology in lithium-sulfur pouch cells designed for demanding drone applications.
The battery materials company conducted the programme alongside defence and aerospace specialist QinetiQ, which independently manufactured and tested cells incorporating Gelion’s technology. The cells use sulfur in place of cathode materials dependent on critical minerals while targeting the high energy density and power required for unmanned aerial systems.
Cells complete demanding drone mission profiles
Testing subjected the lithium-sulfur cells to operating conditions designed to replicate drone missions, including repeated high-power requirements during take-off and landing.
The cells demonstrated stable cycling for more than 200 cycles at a 1C rate. They also delivered strong performance at higher 3C and 6C discharge rates, with limited degradation recorded during testing.
According to Gelion, the results provide further evidence that its Nano-Encapsulated Sulfur, or NES™, technology can address important challenges traditionally associated with lithium-sulfur batteries, including the polysulfide shuttle effect.
Successful independent testing also strengthens the company’s efforts to position NES™ for applications where battery weight, energy density and high-power delivery are particularly important.
Results support defence and aerospace commercial strategy
Gelion sees potential applications for the technology across defence, aerospace, unmanned systems and other lightweight mobility markets.
Completion of the QinetiQ programme provides additional technical validation as Gelion continues discussions with prospective commercial and development partners.
The company’s wider investment outlook nevertheless remains affected by continuing losses and cash consumption, while negative earnings limit support from conventional valuation measures.
These financial challenges are partly balanced by more constructive share-price technical indicators, including trading above key moving averages and a positive MACD signal. Recent company updates have also pointed to progress against technical and commercial milestones and an improvement in EBITDA losses, although execution and commercialisation timelines remain important risks.
More about Gelion PLC
Gelion plc is an advanced battery materials company developing next-generation cathode technologies for lithium-ion and lithium-sulfur batteries.
Its proprietary Nano-Encapsulated Sulfur (NES™) cathode technology is designed to replace cathodes reliant on critical minerals with more abundant sulfur while retaining compatibility with established battery manufacturing infrastructure.
Gelion’s commercialisation strategy centres on partnerships with industrial companies and battery manufacturers serving automotive, defence, electronics and other high-performance applications. Its collaborations include TDK and Mitsui Kinzoku in Japan, QinetiQ and Nissan in the UK, the National Laboratory of the Rockies in the US and Germany’s Max Planck Institute of Colloids and Interfaces.
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