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Will solid-state batteries replace lithium batteries?

by:Vglory      2021-05-10
The so-called solid-state battery, as the name implies, uses solid materials as electrolytes. Compared with the traditional lithium battery, the all-solid-state battery has obvious advantages. The solid-state electrolyte replaces the electrolyte and film under the same energy. The all-solid-state battery is thinner and smaller. The working principle of solid-state batteries is the same as that of traditional lithium batteries. The difference between solid-state lithium batteries is that solid materials (such as polymers and inorganic materials, etc.) are used as electrolytes instead of the liquid electrolytes used in traditional lithium batteries. Because it uses solid electrolytes, it is called a solid-state battery. Since the solid electrolyte replaces the potentially explosive organic electrolyte in traditional lithium batteries, the two major problems of high energy density and high safety performance are solved, thereby eliminating the anxiety of electric vehicle users and even the desire to achieve fast charging. The solid-state lithium battery does have many advantages. Because the solid-state electrolyte is non-flammable, non-corrosive, non-volatile, and non-leakage, it will not cause spontaneous combustion of the vehicle and greatly enhance the safety. It is indeed an ideal electric Car battery materials. Decomposing from the structure of solid-state batteries and lithium batteries, solid-state batteries are simply a battery that uses solid electrodes and solid electrolytes. From the perspective of solid electrolyte, it is non-flammable, non-corrosive, non-volatile, and non-leakage. It also overcomes the phenomenon of lithium dendrites and is more safe. Although the advantages of solid-state batteries are clear from the structural point of view, there is still a way to go to replace lithium batteries. Solid-state batteries may be one of the development directions of lithium battery technology in the future, but as far as the current technology is concerned, it is not the best. First of all, it is a price. The cost of liquid lithium batteries is about 200 to 300 US dollars per kilowatt hour. , The cost of solid-state batteries should be 15,000 US dollars. On the material structure of lithium batteries, metal electrodes are relatively mature and have a complete industrial chain. The cost is lower than that of solid-state batteries. In general, if solid-state battery technology can overcome certain obstacles and is low in cost, it will replace it. Lithium batteries are only a matter of time. Because of its high energy density, low self-discharge rate, high cycle efficiency, and long cycle life, lithium batteries have been welcomed by the new energy automobile industry and have achieved considerable development. Lithium batteries are not in a perfect state, because they have relatively poor safety performance during use, and there is a danger of explosion. At the same time, lithium batteries must use a protective circuit to guard against overcharge or overdischarge of the battery. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: How to use lithium batteries without shortening their lifespan
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