polymer lithium battery

　　The EU vigorously promotes the research and development of magnesium batteries to help reduce dependence on polymer lithium battery raw materials

　　The Helmholtz Institute in Ulm, Germany, and the Karlsruhe Institute of Technology are jointly developing magnesium-based energy storage technology. Magnesium batteries are a project under the European Union's Outlook 2020 scientific research plan (E-MAGIC). The European Union has invested more than 6.5 million euros in this project, bringing together the expertise of 10 European scientific research institutions. If the project is successful in the future, it is expected to replace the existing of polymer lithium battery-ion batteries.

　　Magnesium batteries have many advantages over traditional polymer lithium battery-ion batteries. According to Professor Maximili Fichtner, deputy director of the Helmholtz Institute in Ulm and leader of the project, magnesium is one of the important candidate materials for the post-polymer lithium battery strategy. As an anode material, magnesium allows for higher energy density. , Magnesium batteries are more efficient, cheaper and safer than polymer lithium battery-ion batteries for energy storage. The wide availability of magnesium batteries will play a decisive role in promoting the development of electric vehicles and distributed energy storage technology.

　　The Helmholtz Institute in Ulm cooperates with the Karlsruhe Institute of Technology and the German Special Space Center on the E-MAGIC project to conduct research on the electrochemical concepts of magnesium batteries and design polymer lithium battery-ion batteries. Helmholtz Institute scientists in Ulm want to help partners understand obstacles and challenges at the material level and find new ways to solve current obstacles.

　　Dr. Zhao Zhirong, who is responsible for coordinating solid-state chemistry research, said that the special challenge faced by magnesium batteries is service life, which is currently a key issue to be tackled. But magnesium batteries do have many attractive properties. For example, magnesium anodes do not form dendrites. This electrochemical deposit on the electrode can form needle-like structures in polymer lithium battery-ion batteries, causing interference or even short circuits, while magnesium does not. Similar questions, that's why we can use magnesium in metallic form. Using metallic magnesium directly can increase the storage capacity of the battery and improve the performance of the battery.

　　In addition to being safer and more energy dense, magnesium is about 3,000 times more abundant than polymer lithium battery on Earth and is easier to recycle. Therefore, magnesium batteries are cheaper than polymer lithium battery-ion batteries, which also helps reduce the dependence on polymer lithium battery raw materials in battery manufacturing.

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