Gelion has signed an agreement with an unnamed major automaker to test its sulphur-based 'Nano Encapsulated Sulfur' cathode technology. The OEM will evaluate the material in cells with liquid and solid electrolytes, as well as with lithium-metal and graphite anodes.

British-Australian battery developer Gelion is bringing its Nano-Encapsulated Sulfur (NES) technology into another automotive industry development programme. The company states it has signed a Material Transfer Agreement with an OEM, which is said to be among the 15 largest automakers worldwide. Gelion has not disclosed which manufacturer is involved or the scope of the testing.

Under the agreement, Gelion will supply its sulfur-based cathode active material, coated cathodes and liquid electrolyte to the automaker. The technology is to be tested in various cell configurations, including liquid and solid electrolytes, as well as in combinations with lithium-metal and graphite anodes. Gelion cites both high-volume models and premium electric vehicles as potential applications.

At the core of the approach is Gelion’s NES material. The company aims to replace conventional cathode chemistries that rely on critical raw materials, instead utilising comparatively widely available sulfur. According to Gelion, the material can also be deployed on existing battery production lines without requiring major retrofitting.

For automakers, the potential appeal lies in two key points: reduced dependency on critical raw materials and potentially easier integration into existing production. However, the new agreement is clearly classified as an evaluation programme. The Material Transfer Agreement does not imply a decision for series production or a specific vehicle launch.

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