Can solid-state batteries solve the battery life of new energy vehicles?

For new energy vehicles, the importance of batteries is unquestionable, not only determines the performance of the car, but also has a great relationship with the battery density and the battery life of the car. At present, most of the new energy vehicles on the market use ternary lithium batteries, which still have certain defects in energy density and safety. It is precisely because of this that a more perfect solid-state battery has appeared. Can solid-state batteries really solve the battery life and safety anxiety faced by new energy vehicles?

  Can solid-state batteries solve the battery life of new energy vehicles?

First of all, the ternary lithium battery is a liquid battery, and its internal electrolyte is in a liquid state, so the energy density cannot reach the highest. When the lithium ions move from the positive electrode to the negative electrode, the lithium battery also completes the charging and discharging of the battery, so the corresponding charging speed is relatively slow. The solid-state battery does not have to worry about such a problem. Its electrolyte is in a solid form, and its structure allows more charged ions to gather in a certain part, so it can conduct a larger current and charge and discharge faster.

Secondly, solid-state batteries are relatively easy to store because they have no electrolyte. In the case of storing the same amount of electricity, solid-state batteries are smaller in size, which is more conducive to reducing the weight and burden of the body. Moreover, solid-state batteries do not require additional cooling pipes and other devices during application, which can also reduce production costs to a certain extent. Of course, the most important issue is safety. Compared with liquid batteries, solid-state batteries have stronger stability because there is no flammable electrolyte inside, and their safety can be guaranteed.


Finally, although solid-state batteries have more advantages, due to the relatively large interface impedance, the transmission of lithium ions between the interfaces is hindered and the movement ability is worse, so it will directly affect the power and energy density of the battery. This is also the main problem facing solid-state batteries at present. However, in recent years, various countries have been vigorously overcoming this problem, and some countries have developed solid-state batteries that can be mass-produced. If they can be widely used in new energy vehicles, it will also promote new energy vehicles. The industry is moving to a higher level and level.

To sum up, the prospect of solid-state batteries is worth looking forward to. If the technical problems can be completely overcome, solid-state batteries are likely to be another revolutionary progress in the new energy vehicle industry.

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