As a key technology for the growing number of electric vehicles, batteries are also instrumental in creating value in automotive manufacturing. Today most batteries are made in Asia and North America. The ZellkoBatt project in Germany was initiated in March of 2020 to change that.. The scientists will apply the results of their efforts to ZSW’s pilot production line, a research fab that has been up and running since 2014 under factory-like conditions. The resultant machines and processes will then be ramped up for mass manufacturing. This initiative builds a bridge between working prototypes in the lab and industrial mass manufacturing in domestic factories. The German Ministry of Education and Research is funding the project with €12.7 million euros over two years.
“Electric mobility is going to significantly change the automotive supplier industry,” says Dr. Margret Wohlfahrt-Mehrens, who heads up Ac-cumulators Research at ZSW. “We have to do everything in our power to fast-track the development and production of battery systems to future-proof Germany as an auto-making nation. With the ZellkoBatt project, we are extending our technological infrastructure to accelerate the transfer of innovative battery cells to industrial mass manufacturing.”
Production – quality – performance – costs optimization
ZellkoBatt is an acronym made up of the German words for the devel-opment, construction and validation of advanced material, cell and production systems for cost-efficient, sustainable and large-scale battery cell production. Pursuing high aims with this project, ZSW researchers are determined to advance the state of the art in lithium-ion cells. “To this end, we want to extend the process and production engineering know-how acquired over the years with ability to manufacture large-format pouch- and PHEV-2 cells up to 80 ampere hours and in type-21700 round cells,” says Dr. Wolfgang Braunwarth, head of Production Research at ZSW, explaining the project’s mission.
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ZSW is also looking to amplify the possibilities of digital cell production. A cloud-based interface will serve to access and share data with outside partners to engage in further research, for example, to model and simulate production lines and smart process controllers that benefit from machine learning. This will boost response to both industry needs and new research findings.
Gearing up for mass manufacturing
Tomorrow’s transportation is to be climate-neutral, with the lowest possible emissions. With more and more electricity being sourced from renewables, electric vehicles look to be an excellent prospect for re-ducing CO2. This is why the German government hopes to increase the electric vehicle count in Germany to up to ten million by 2030.
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The battery is the heart of these electric vehicles. As it stands, Asian competitors dominate the market. They have been investing heavily in the mass production of battery cells for years now. By contrast, Ger-many has yet to move beyond pilot manufacturing lines and small pro-duction runs. One problem is that it takes such huge investments to set up factories on an industrial scale – especially when the products’ suit-ability for series production has yet to be proven. ZellkoBatt is created to solve this problem and impel efforts to establish manufacturing capacity in Germany to meet the growing demand for batteries.(HCN)
