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Press Release

Battery production: Dürr provides CATL with innovative technology for electrode production

Solvent recovery for CATL in Germany

Bietigheim-Bissingen, December 14, 2022 — The Dürr Group continues its expansion in the new business field of battery production. The mechanical and plant engineering firm is delivering an innovative technology for the sustainable manufacture of lithium-ion batteries. This will be used in CATL’s plant that is currently being built in Arnstadt, situated in the German state of Thuringia. CATL highly focuses on resource reusability and sustainability. The order placed in early 2022 comprises several systems based on an eco-friendly process for solvent recovery in production. This prevents tens of thousands of tons of CO2 from being generated every year and enables the solvent to be reused multiple times. The CATL plant in Thuringia is the Chinese world market leader’s first production site in Europe. In the wake of electromobility, production capacities for lithium-ion batteries in Europe are expected to increase significantly over the coming years.

In battery factories, solvents are used in the manufacture of electrodes, more specifically in the coating of electrode foil. CATL’s plan in Arnstadt is to run multiple coating lines, each of which will be equipped with a Dürr system for solvent recovery. This makes production not only eco-friendly but also efficient, because the solvent used is expensive and must therefore be recovered and fed back into the production process for multiple use. Dürr’s Sorpt.X LC technology, in combination with a distillation system, ensures over 95% of the recovered solvent can be reused at the required quality.

Dr. Jochen Weyrauch, CEO of Dürr AG, said: “With CATL we have gained another customer in the up-and-coming market of battery production technology. Our technology will make a major contribution in helping CATL produce its electrodes in a way that is both sustainable and economical.” He also emphasized the importance of the battery sector for electromobility: “More battery cells are required for electromobility to prevail. This is leading to the construction of new battery factories, especially in Europe. The production processes these use ultimately play a critical role in determining the size of an electric vehicle’s environmental footprint.”

 

Cooperation for further growth in battery production

The Dürr Group is planning further growth in the business field of battery production. In September, the company therefore announced its alliance in the battery sector with the German mechanical engineering firms Grob and Manz. The three partners want to combine their technologies and expertise to establish themselves as an end-to-end supplier for the equipment of entire battery factories. This market is currently dominated mainly by Asian mechanical engineering firms. However, many battery manufacturers who intend to build factories in Europe would like partners from the European mechanical engineering market, so they can source their production systems locally. Dürr, Grob, and Manz are addressing this need through their cooperation. In this, Dürr is responsible for electrode manufacture, while Manz covers battery cell assembly and Grob delivers technology for the assembly of the battery packs. Dr. Jochen Weyrauch stated: “The combined technology offering of Dürr, Grob, and Manz makes for highly efficient manufacturing processes with maximum digitalization, a high level of availability, and excellent product quality. This enables both mass and premium manufacturers to produce exactly the right battery types for their requirements.”

The Dürr Group is one of the world's leading mechanical and plant engineering firms with extensive expertise in automation and digitalization/Industry 4.0. Its products, systems and services enable highly efficient and resource-saving manufacturing processes in different industries. The Dürr Group supplies sectors like the automotive industry, mechanical engineering, chemical, pharmaceutical, medical technology and woodworking industries. It generated sales of €3.54 billion in 2021. The company has almost 18,400 employees and 120 business locations in 33 countries. The Dürr Group operates in the market with the brands Dürr, Schenck and HOMAG and with five divisions:

  • Paint and Final Assembly Systems: paint shops as well as final assembly, testing and filling technology for the automotive industry, assembly and test systems for medical devices
  • Application Technology: robot technologies for the automated application of paint, sealants and adhesives
  • Clean Technology Systems: air pollution control, noise abatement systems and coating systems for battery electrodes
  • Measuring and Process Systems: balancing equipment and diagnostic technology
  • Woodworking Machinery and Systems: machinery and equipment for the woodworking industry

This publication has been prepared independently by Dürr AG/Dürr group. It may contain statements which address such key issues as strategy, future financial results, events, competitive positions and product developments. Such forward-looking statements are subject to a number of risks, uncertainties and other factors, including, but not limited to those described in disclosures of Dürr AG, in particular in the chapter “Risks” in the annual report of Dürr AG. Should one or more of these risks, uncertainties and other factors materialize, or should underlying expectations not occur or assumptions prove incorrect, actual results, performances or achievements of the Dürr group may vary materially from those described in the relevant forward-looking statements. These statements may be identified by words such as “expect,” “want,” “anticipate,” “intend,” “plan,” “believe,” “seek,” “estimate,” “will,” “project” or words of similar meaning. Dürr AG neither intends, nor assumes any obligation, to update or revise its forward-looking statements regularly in light of developments which differ from those anticipated. Stated competitive positions are based on management estimates supported by information provided by specialized external agencies.

 

Our financial reports, presentations, press releases and ad-hoc releases may include alternative financial metrics. These metrics are not defined in the IFRS (International Financial Reporting Standards). Net assets, financial position and results of operations of the Dürr group should not be assessed solely on the basis of these alternative financial metrics. Under no circumstances do they replace the performance indicators presented in the consolidated financial statements and calculated in accordance with the IFRS. The calculation of alternative financial metrics may vary from company to company despite the use of the same terminology. Further information regarding the alternative financial metrics used at Dürr AG can be found in our → financial glossary on the web page.