All human inspiration is a gift from nature, and the inspiration for developing the latest technology comes from nature: to infuse the porous electrodes of lithium-ion batteries with liquid electrolytes more quickly, scientists at the Technical Institute Karlsruhr (KIT) in Germany used A physical and chemical effect similar to that of trees transporting water, developed...

We know that all human inspiration is a gift from nature, and the inspiration for developing the latest technology comes from nature: to infuse liquid electrolytes into porous electrodes of lithium-ion batteries faster, Karlsruhe Institute of Technology (KIT) in Germany Using a physical and chemical effect similar to that of trees transmitting water, scientists have developed a new technology that can significantly shorten time and reduce production costs.

The electrodes inside modern batteries are porous like sponges. Unlike household sponges, their pores are on the micron scale. Therefore, the battery has a large surface layer, providing space for the chemical processes of charging and discharging. With this prerequisite, batteries with long range and fast charging can be developed for electric vehicles.

Just to optimize the function, all electrode holes must be filled with electrolyte. The liquid electrolyte is the transport medium through which charged ions flow between the positive and negative electrodes in the battery. Without electrolyte, there would be no load balancing within the battery and no current flow from the outside. However, all high-energy batteries currently used in the automotive industry have poor wettability of the electrolyte to the electrode surface. In order to allow the electrolyte to penetrate into all pores as much as possible to maximize battery performance, battery manufacturers have until now spent a lot of time and cost: using expensive and time-consuming vacuum and cryogenic preservation processes to force liquid into the electrode materials.

Using the newly developed process, the production time can be greatly shortened from the originally required hours to just a few minutes. In order to achieve this amazing effect, German scientists imitated natural phenomena to a certain extent and used mechanical and chemical technology to transform the electrodes so that they can effectively absorb electrolyte like a tree absorbing water. In this way, the electrolyte can quickly fill the entire surface layer, even Can significantly improve the performance of related batteries. With innovative modifications to electrodes, scientists have achieved the research and development goals of significantly shortening the production time of lithium-ion battery perfusion electrolytes and reducing production costs.

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