Cobalt-free Battery Uses Violet Tungsten Oxide

As one of the key components of the cobalt-free battery, the negative electrode material can be modified with an appropriate amount of low-dimensional violet tungsten oxide powder during preparation, so that the prepared product has better charge and discharge characteristics and higher lithium storage capacity.

In addition to better charging and discharging under high current conditions, it can also effectively reduce the number of charges. In other words, compared to traditional similar batteries, the overall performance of cobalt-free batteries will be significantly improved.

In the actual application process, we will find that the shallower the discharge of a certain battery before each charge, the longer its life. The lower the charge and discharge current of the battery, the longer its life. Normally, when we say that the discharge current is small, it means a smaller discharge rate or a larger hourly rate discharge.

Then, the smaller the charge and discharge current, the longer the service life of the battery? From a microscopic point of view, high-current charging and discharging are likely to cause new substances to form at the solid-liquid interface, and the new substances are prone to precipitate due to excessive saturation and block the diaphragm pores, so that if the battery is cycled for a long time, it is easier to generate lithium dendrites, and finally lead to a decline in the overall performance of the battery. From a macro perspective, the internal resistance of the battery increases, and the efficiency of useless work increases, which mainly shows that the conversion efficiency between the chemical energy and the electrical energy of the equipment decreases.

In recent years, with the continuous development of nanotechnology, the charge and discharge characteristics of chemical batteries are expected to be significantly optimized, especially for cobalt-free batteries, which are more popular in the future, and their charge and discharge rate performance must be improved.

Purple tungsten oxide powder is a kind of nano material with a large chemical diffusion coefficient. It is very suitable as an additive for negative electrode materials. It can significantly improve the charge and discharge characteristics of the material, and it can also enhance the lithium storage capacity. The raw material is ideal for preparing the negative electrode of cobalt-free battery.

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