Sustainable sodium-ion storage concept

Cell chemistry NRW wants sodium-ion cells from local raw materials

2024-09-30 From | Translated by AI 1 min Reading Time

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RWTH Aachen University is working with partners to develop a storage concept based on sodium-ion technology in order to reduce dependence on critical raw materials.

Various universities and companies want to develop a cell chemistry with local raw materials.(Image: PEM RWTH Aachen | projektelf) — Various universities and companies want to develop a cell chemistry with local raw materials.
(Image: PEM RWTH Aachen | projektelf)

Over the next three years, the Chair of Production Engineering of E-Mobility Components (PEM) at RWTH Aachen University will be working with partners from research and industry on an electrochemical storage concept based on sodium-ion technology. The "Na.Ion.NRW" research project, which is funded by the state government of North Rhine-Westphalia, aims to use locally available, cost-effective and environmentally friendly raw materials for stationary energy storage systems. This is particularly relevant in view of the current dependence on and shortage of raw materials for established battery materials.

The project focuses on the development of a cell chemistry that does not require critical raw materials such as lithium or cobalt. The initial aim is to produce large-format sodium-ion battery cells on a pilot scale and to construct demonstrator modules based on commercial and self-developed cells.

Develop battery management system

At the same time, the scientific partners, including the Fraunhofer Research Facility for Battery Cell Production (FFB) and the University of Münster, are developing a corresponding battery management system. Together with industrial partners such as the Aachen spin-off "PEM Motion" and battery manufacturer Hoppecke, they are also investigating whether existing plant technology can be used to manufacture the new cells. By the end of the project in August 2027, a well-founded life cycle assessment of the sodium-ion batteries is also to be drawn up.

Professor Achim Kampker, Head of PEM, emphasizes: "If we succeed in establishing a sodium-ion economy within North Rhine-Westphalia, this could lay the foundation for a more robust future in terms of energy and raw materials policy."

The PEM press release was edited with the help of AI

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