Stellantis, Zeta Energy Partner to Develop Lithium-Sulfur Batteries

Lithium-sulfur battery technology is emerging as a promising alternative to traditional lithium-ion batteries, offering several key advantages for the electric vehicle (EV) industry. With the potential for higher energy density, lower cost, and a more sustainable supply chain, lithium-sulfur batteries are seen as a crucial step in the future of EVs. This technology also has the ability to reduce dependence on rare and expensive materials, making it a more cost-effective and environmentally friendly solution for mass EV adoption. As automakers strive to develop lighter, more efficient, and affordable vehicles, lithium-sulfur batteries present an exciting opportunity to meet these goals.

Stellantis and Zeta Energy's partnership

In this context, Stellantis and Zeta Energy have announced a joint development agreement to advance lithium-sulfur battery technology specifically for EVs, with plans for commercial production by 2030. The collaboration aims to create significantly lighter battery packs that offer the same usable energy as current lithium-ion batteries, enhancing range, performance, and handling. Additionally, the technology promises to improve fast-charging speeds by up to 50%, while cutting costs to less than half the price per kWh of existing lithium-ion batteries. This partnership marks a significant step in the automaker's commitment to advancing electrification and sustainability in the automotive industry.

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Ned Curic, Stellantis’ Chief Engineering and Technology Officer, stated, “Our collaboration with Zeta Energy is another step in helping advance our electrification strategy as we work to deliver clean, safe and affordable vehicles. Groundbreaking battery technologies like lithium-sulfur can support Stellantis’ commitment to carbon neutrality by 2038 while ensuring our customers enjoy optimal range, performance and affordability.”

Lithium-sulfur batteries leverage sulfur, a widely available and cost-effective material, reducing production costs and supply chain risks. Zeta Energy's innovative approach uses waste materials, methane, and unrefined sulfur, eliminating the need for cobalt, graphite, manganese, or nickel. Additionally, these batteries are designed for production within existing gigafactories, supporting domestic supply chains in Europe and North America.

Tom Pilette, CEO of Zeta Energy, added, “We are very excited to be working with Stellantis on this project. The combination of Zeta Energy’s lithium-sulfur battery technology with Stellantis’ unrivaled expertise in innovation, global manufacturing and distribution can dramatically improve the performance and cost profile of electric vehicles while increasing the supply chain resiliency for batteries and EVs.”

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Aligned with Stellantis' Dare Forward 2030 strategic plan, the collaboration supports the introduction of over 75 battery EV models. The partnership includes both pre-production development and long-term production planning. By utilizing sustainable materials and reducing CO2 emissions, the project underscores Stellantis' commitment to advancing electrification and providing sustainable mobility solutions.