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Car Battery Days Dresden and Schwarzheide: Strong Start

The Battery Days began with light rain: A Chinese proverb says, "The most important personalities arrive in the rain!" This was true this time as well – the program offers various deep dives into the world of battery development and production.

In Saxony, not only ID.3 and ID.4 are being built, but much more. This is why the Battery Days are taking place in Dresden and Schwarzheide this time. | Photo: G. Soller
In Saxony, not only ID.3 and ID.4 are being built, but much more. This is why the Battery Days are taking place in Dresden and Schwarzheide this time. | Photo: G. Soller
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The first car was an electric vehicle: In 1881, Gustave Trouvé invented a type of electric carriage. Christine Grosse Lembeck, Vice President, Business Management Recycling at BASF Battery Materials once again provided a refreshing introduction: EVs were originally present on the streets of Chicago, New York, London, and Paris at the very beginning of the automotive industry. The problem even back then: EVs were too expensive, and lacked range. Then came electric starters and gas stations, and the combustion engine took over. However, they knew nothing about CO2 back then—an issue that would catch up with us some 100 years later. Her appeal: We must have the courage to keep going! She underscores this with Churchill’s quote:

“Success is not final, failure is not fatal: what counts is the courage to continue.”

Because transformation is not only difficult, but also always an opportunity, even if it is not always easy. The alternative would be: Stagnation! And that can be no option! The replacement of horse-drawn carriages also did not happen overnight. That’s why she called for more long-term thinking and courage. After all, we are already on the way!

“It takes time, courage, and – us!”

Developments take time, which brings her to the topic of battery recycling at BASF. By 2024, the first production of black mass will start in Schwarzheide. One can almost feel her impatience, as she adds: The EU Battery Regulation is a good base, but not enough. More needs to happen! That’s why she calls for becoming pioneers again! Black mass in Schwarzheide?

A brief excursus: BASF established a facility in Schwarzheide for the large-scale recycling of black mass from batteries. The investment strengthens the BASF site in Schwarzheide with the production of battery materials and battery recycling. The location is ideal for battery recycling activities, as there are many electric car manufacturers and cell producers in Central Europe. The investment will create about 30 new jobs in production, with commissioning starting in early 2024.

The Beginning is Black Mass

The production of black mass is at the beginning of the recycling process and is based on the mechanical treatment of batteries. The “black mass” obtained in this way contains large amounts of the key metals used to make cathode materials: lithium, nickel, cobalt, and manganese. In the next step, the black mass is further processed hydrometallurgically. BASF also plans to establish a corresponding large-scale facility in the middle of the decade.

“With the investment in a large-scale battery recycling plant for black mass, we are taking the next step to establish the entire value chain of battery recycling at BASF. This allows us to optimize the entire recycling process and reduce the CO2 footprint,” explained Dr. Peter Schuhmacher, Head of the Catalysts division at BASF, and added:

“The closed loop from used batteries to cathode materials for new batteries supports our customers along the entire battery value chain, reduces dependence on mined raw materials, and enables a circular economy.”

At the Dekra test center at Lausitzring, one can torture, test, certify, or even destroy batteries massively.

How to secure and certify all this – Dekra brought in their ideas on this. Not far from Schwarzheide, practically one highway exit further at Lausitzring, a battery testing center is being constructed. Filip Klug, Head of Support Functions at Dekra, subsequently shed light on the topic of battery tests: As early as 2017, Dekra bought the Lausitzring and is thus developing it into one of the largest test centers in the world. The Battery Test Center at Lausitzring will now open in 2025 – including a "burning hall" where entire vehicles can actually be burned. But the batteries can also be tortured in a variety of ways: with crash tests, salt, water, harsh charging and discharging cycles, and so on... for example, a 250-kN shaker that really shakes the batteries and new crash absorbers that can withstand over 90g impacts.

Interesting: By 2026, the Lausitzring should operate CO2-neutral. There is a 7.5 MW wind turbine and 2.5 MW from solar fields. The latter is to be expanded to 4.5 MW capacity in 2025. But: Honey is also produced and the garlic toad is resettled... and the local charging infrastructure is being expanded.

Raw Materials - but Custom Made!

Dr. Viktor Drescher, Product Manager Thermal Powder Synthesis at Glatt Ingenieurtechnik, then delved deeply into the technology. Customers have ideas for powder, granulate, or particle systems. The tech center is in Weimar and the temperature range for processing has now been increased from 180 to 800 degrees, perspectively even beyond 10,000 degrees. For batteries, we are talking about material sizes from 0.05 to 50 micrometers. He then delved a bit deeper into cathode and anode materials. It is also about coating techniques for cathode materials. The focus is clearly on the topic of powder synthesis: The preparation of anode or cathode materials, as well as solid electrolytes. What is important is that powder synthesis – it is definitely important to him that nothing has to be taken "off the shelf", but everything can be "mixed" according to customer requirements. The pharmaceutical background also helps, the field from which Glatt originated.

What Does That Mean?

The kickoff of the battery symposium was already successful – with an extremely wide range of topics on battery planning and manufacturing as well as recycling to reclaim valuable materials! This is why such symposiums are always good for a deep dive – and to broaden one’s own horizons! We will continue to report.

Translated automatically from German.
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