Germany develops iron-carbon materials that can improve the storage capacity of lithium batteries

The German Karlsruhe Institute of Technology recently issued a communiqué that said the institute used nanotechnology to develop a new iron-carbon power storage material that can significantly improve the storage capacity of lithium batteries for electric vehicles and reduce battery costs.

The communique said that in order to break through the storage bottleneck of traditional lithium batteries, the Nanotechnology Research Institute of the Karlsruhe Institute of Technology has been developing a new iron-carbon storage that can store more power in a small storage unit material. However, the obvious shortcoming of this kind of material is that the charging cycle is unstable, and the storage capacity drops significantly after the battery is repeatedly charged and discharged. To this end, the researchers switched to a new synthetic method. They used several raw materials mixed with a lithium salt and heated it, thus creating a new nanostructured material with carbon-containing nanotubes. This method creates electricity storage units and conductive circuits in one fell swoop on nano-scale materials.

The researchers said that the current storage capacity of this stable iron-carbon material has reached twice that of existing power storage materials, and the production process is simple, the cost is low, and its high performance can be maintained for a long time. Dr. Maximilian Fichtner, who led the research, said that if the research team can fully develop the potential of this new material, the storage density of lithium-ion batteries can be increased by 5 times in the future.

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