Altilium Wins UK Patent for EcoCathode Battery Recycling

Altilium has secured its first UK patent for the core process behind its EcoCathode battery recycling technology, strengthening the company’s plans to turn used lithium-ion batteries into materials suitable for new electric vehicle cells.

The development was originally announced by Altilium on July 29, 2026, and was covered most recently by ATF Professional on August 5. The UK patent, numbered GB2637908B and titled “Material Recovery Method and Use,” protects aspects of the company’s hydrometallurgical recovery process.

What the EcoCathode patent covers

The patented method processes “black mass,” the powder produced after lithium-ion batteries or manufacturing scrap are shredded and prepared for recycling.

Black mass can contain lithium, nickel, cobalt, manganese, graphite and other materials. Recovering these resources at sufficient purity for battery manufacturing is one of the industry’s central technical and economic challenges.

Altilium’s process uses a water-based chemical route to recover, purify and regenerate cathode materials. Patent information describes controlled acid leaching and the addition of a reducing agent while monitoring process conditions.

The company says this approach can produce high-purity materials that are suitable for manufacturing new EV batteries. That could allow more of the battery value chain to remain in the UK instead of sending intermediate products abroad for additional refining.

Why direct material recovery matters

Many recycling systems extract metals in forms that still require several refining and manufacturing stages before they can return to a battery cell.

EcoCathode is intended to shorten that route by regenerating cathode-grade products from recycled feedstock. If deployed successfully at commercial scale, this model could reduce demand for newly mined minerals and improve the security of domestic battery-material supplies.

Altilium also says its process uses less energy and produces fewer greenhouse gas emissions than conventional mining and refining. Those environmental benefits are company claims and will ultimately depend on factors including plant scale, feedstock composition, energy sources and transport requirements.

The patent itself protects an invention, but it does not independently certify its commercial cost, environmental performance or suitability for every type of lithium-ion battery.

Research supports the recycled materials’ performance

The technology has moved beyond laboratory work. Altilium has tested its processes through projects involving automotive manufacturers and support from the UK’s Advanced Propulsion Centre.

Research conducted with Imperial College London examined cathode active material made from recycled battery waste. The work found that the recycled material could match—and in some tests exceed—the purity and electrochemical performance of commercially available material made from virgin resources.

A peer-reviewed study associated with that research was published in the Royal Society of Chemistry’s Journal of Materials Chemistry A. This adds independent scientific evidence to Altilium’s performance claims, although further validation will still be needed as production moves to larger facilities and different feedstocks.

A foundation for commercial expansion

Patent protection gives Altilium a stronger legal position as it develops its technology from pilot-scale operations toward commercial manufacturing.

The company says the UK grant is part of a wider intellectual-property portfolio that includes technologies for cathode active materials, anode materials and other recovered battery resources. Corresponding applications are also being pursued in other jurisdictions.

Its planned infrastructure includes operations in Plymouth and proposed larger-scale production facilities. Commercial deployment will require more than intellectual property, however. Reliable access to end-of-life batteries, project financing, permits, customer qualification and consistent product quality will all influence how quickly the technology can scale.

What the patent means for the UK battery sector

The patent does not by itself create a domestic circular battery industry, but it protects a potentially important part of one.

Britain currently depends heavily on international supply chains for processed battery minerals. Technology capable of returning materials from old batteries directly to cell production could help reduce that exposure while retaining more recycling and manufacturing activity domestically.

For vehicle manufacturers, locally regenerated cathode material may also provide better supply-chain traceability and a route toward meeting recycled-content requirements.

What happens next?

The next significant test will be whether Altilium can reproduce its technical results consistently and economically at commercial scale.

Its UK patent gives the company protection for a key recovery method. The larger opportunity—and the larger challenge—is turning that protected process into a dependable supply of qualified battery materials for mass-market electric vehicles.  EcoCathode battery recycling

Frequently asked questions

What is EcoCathode battery recycling?

EcoCathode is Altilium’s hydrometallurgical process for recovering and regenerating cathode materials from used lithium-ion batteries and battery-manufacturing scrap.

What is black mass?

Black mass is a metal-rich powder produced during battery recycling. Depending on the batteries processed, it can contain lithium, nickel, cobalt, manganese, graphite and other materials.

Does the patent prove that the process is commercially viable?

No. A patent protects an invention but does not guarantee its cost, environmental impact or commercial performance. Altilium has produced encouraging pilot and research results, but large-scale operation remains the decisive test.

Can recycled cathode materials perform like newly mined materials?

Imperial College London research found that Altilium’s recycled cathode material matched or exceeded the performance of commercially available virgin material in the tests conducted. Results at commercial scale will depend on manufacturing consistency and feedstock quality.

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