Stellantis and Zeta Energy are jointly developing lithium-sulfur batteries.

Electromobility Stellantis and Zeta Energy are jointly developing lithium-sulfur batteries.

2024-12-17 From Stefanie Eckardt | Translated by AI 1 min Reading Time

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Stellantis and Zeta Energy aim to jointly advance battery cell technology for applications in electric vehicles. The companies have therefore entered into a cooperation. The goal of the partnership is to develop lithium-sulfur batteries for electric vehicles with outstanding gravimetric energy density while also achieving a volumetric energy density comparable to today's lithium-ion technology.

From 2030, Stellantis plans to integrate lithium-sulfur batteries into its electric vehicles. The automaker is currently working on this technology together with Zeta Energy.(Image: Stefanie Eckardt) — From 2030, Stellantis plans to integrate lithium-sulfur batteries into its electric vehicles. The automaker is currently working on this technology together with Zeta Energy.
(Image: Stefanie Eckardt)

For the end consumer, this means a significantly lighter battery pack with the same usable energy as today's lithium-ion batteries. This enables greater range, improved handling, and more power. Additionally, the technology has the potential to increase fast-charging speed by up to 50 percent. Another advantage: lithium-sulfur batteries are expected to cost less than half per kilowatt-hour (kWh) compared to today's lithium-ion batteries.

Reduce CO₂ emissions

The batteries are made from waste materials and methane, with CO₂ emissions significantly lower than any existing battery technology. According to Zeta Energy, their battery technology is expected to be manufacturable within existing gigafactory technology and to utilize a short, fully domestic supply chain in Europe or North America.

The future collaboration envisions pre-series development as well as planning for future production. Upon project completion, the batteries are to be installed in Stellantis electric vehicles from 2030.

Why lithium-sulfur battery technology?

Lithium-sulfur battery technology offers higher performance at lower cost compared to conventional lithium-ion batteries. Sulfur is abundant and inexpensive, reducing both production costs and supply chain risk. Zeta Energy’s lithium-sulfur batteries use waste materials, methane, and unrefined sulfur, a byproduct from various industrial sectors. In return, neither cobalt nor graphite, manganese, or nickel are needed. (se)

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