button battery 2032

　　Germany develops button battery 2032 simulation software

　　It will take time for electric vehicles to achieve a breakthrough, but batteries can achieve it sooner. Currently, lithium batteries are still too expensive and have limited applications. The emergence of a simulation software will speed up the development process of new material batteries.

　　Electric vehicles are an important part of the future automobile market, and the German government and the automobile industry share this view. By 2020, Germany will have one million electric buses on the road. A survey by the All German Automobile Club (ADAC), a German motor vehicle organization, found that if cost, comfort and safety did not have to be considered, 74% of the respondents expressed their willingness to buy electric vehicles, and about one-third of drivers hoped that electric vehicles would The battery can run at least 500 kilometers on a single charge.

　　But the key problem is: the current number of charging stations and battery life are very limited, preventing compact electric vehicles from becoming mainstream. Today, the lithium batteries used in most cars are too heavy, expensive, and drain quickly. Therefore, new battery materials need to have better performance, longer service life and safe energy storage devices, but developing such new materials requires a large investment of money and time.

　　In the Fraunhofer System Research for Electric Vehicles (FSEM) project in Germany, researchers from the Fraunhofer Institute for Industrial Mathematics in Kaiserslautern, Germany, are currently developing a lithium battery simulation software that will Accelerate the development process of new material batteries and improve battery efficiency. The software is called BEST, short for Battery and Electrochemistry Simulation Tool.

　　Lithium batteries are composed of two porous electrode plates. A separator filled with electrolyte separates the two electrode plates. When the battery is charged and discharged, lithium ions flow between the electrodes. Jochen Zausch, a scientist at the Fraunhofer Institute for Industrial Mathematics in Kaiserslautern, Germany, explained: The performance of a battery depends on the materials used in the components, and these materials need to be coordinated with each other. Using our software simulation tools, you can combine different materials according to your own ideas until you achieve the ideal combination, without the need for repeated testing as in the past.

　　Researchers at the institute simulate the structure of the entire battery, the flow of lithium ions and the reaction process at the macro and micro levels. Jochen Zausch said: We can display the microstructure of the electrode plate. Every 10-micron hole is clearly visible. This is something that other current technologies cannot achieve, and the position and shape of the electrode plate can also be changed. By solving the three-dimensional structure of the electrode plate, some battery parameters such as the concentration of lithium ions and current density can be calculated, and the institute is currently calculating these parameters. Current distribution is an important indicator of battery heat, so the software can also pinpoint hot spots that could cause the battery to overheat and burn. In addition, the software can effectively evaluate the aging effect of the battery, because changes in battery temperature will affect its service life. The scientists also plan to upgrade the software program to add an aging model to facilitate the smooth progress of the research.

　　Jochen Zausch concluded: Ultimately, this software will help car manufacturers and energy storage equipment manufacturers create more powerful, safer, and wider-range batteries, thereby improving the vehicle's acceleration performance. The software will be unveiled at the Hannover Messe from April 4 to April 8 this year.

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