Gelion (AIM:GELN) has signed a joint development agreement with Mitsui Kinzoku Co worth £2 million to validate its Nano-Encapsulated Sulfur (NES) Cathode Active Material in high-energy-density battery cells.
The AIM-listed company aims to replace critical minerals in lithium-ion battery cathodes with its sulfur-based material, which it says is low-cost and can be fitted into existing global manufacturing lines.
Mitsui Kinzoku will pay Gelion the £2 million in staged payments tied to project milestones, and the deal targets cells for automotive, stationary storage, consumer electronics and aerospace and defence applications.
The agreement also gives Mitsui Kinzoku an option to negotiate manufacturing and distribution rights for Gelion's NES CAM across certain Asian territories, setting a potential route to industrial-scale production.
Mitsui Kinzoku is listed on the Tokyo Stock Exchange's Prime Market with a market capitalisation of approximately £8.4 billion as of 6 August.
The deal adds to Gelion's existing collaborations with TDK, QinetiQ, Nissan, the National Laboratory of the Rockies and the Max Planck Institute of Colloids and Interfaces.
"This agreement is another step on our journey through validation to commercial production," said Matt Wood, Gelion's chief executive, adding that it aligns with the company's US pilot-scale facility work under its agreement with the Department of Energy's National Laboratory of the Rockies.
News Intelligence what this means for the company
Gelion has secured a £2 million joint development agreement with Mitsui Kinzoku, a £8.4 billion Tokyo-listed metals and battery materials group, to validate its sulfur cathode material in high-energy-density cells across automotive, storage, and aerospace applications. The deal is structured as staged milestone payments and includes an option for Mitsui Kinzoku to negotiate manufacturing and distribution rights in certain Asian territories, extending Gelion's existing validation partnerships (TDK, QinetiQ, Nissan, National Laboratory of the Rockies, Max Planck Institute) toward potential industrial-scale production.
- Mitsui Kinzoku's option to negotiate manufacturing and distribution rights in Asia creates a potential route to scaled production, but the option is non-binding and contingent on successful validation milestones.
- The deal aligns with Gelion's US pilot-scale work under its Department of Energy partnership, suggesting parallel validation tracks in North America and Asia.
The agreement validates Gelion's technology with a major industrial partner and opens a pathway to Asian manufacturing, but the £2 million in staged payments is modest relative to the company's prior funding (the CoRe-SoLiS programme secured £2.4 million in grants across partners). This is a validation step, not a commercial order or production commitment.
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