Sakti 3, from Michigan, USA, has announced that they have developed a new battery chemistry that has twice the energy density of the highest quality lithium-ion batteries available today. According to the American Science magazine, Ann Marie Sastry, co-founder and CEO of Sakti 3, said that they designed a solid-state lithium-ion battery with an energy density of 1,143 watt-hours per liter. This battery performance not only greatly enhances the electric vehicle bill. The secondary charging mileage can also help reduce the price of electric vehicles.
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What kind of attitude should we hold for such a high-tech product? Of course, this kind of advanced technology has a very positive effect on the development of electric vehicles. The energy density is like the "Holy Grail" of electric vehicles, which plays a very important role because Most consumers still do not trust the endurance of electric vehicles, and high-density batteries help to eliminate people's worries. The more energy stored in a limited space, the more energy the vehicle can utilize, and the farther the distance traveled on the road.
Another benefit of higher energy density is the cost savings. If an electric car has a single charge of 300 miles, almost all drivers will be satisfied with such data. Therefore, the same energy is stored, and the high-density battery pack does not require as much volume as a conventional battery, saving material, and the cost per electric vehicle is also degraded. Whether the size is large or small, the battery pack has a fixed cost in the processing flow, and Sakti 3 R&D personnel are doing their best to reduce the battery pack per kWh capacity. In addition, solid-state lithium-ion batteries are more safe because they have substantially no volatilization effect compared to liquid electrolyte batteries.
Membrane precipitation process
Sakti 3 solid-state batteries are manufactured using a thin film deposition process similar to the production of flat panel displays and photovoltaic solar cells. Solid state means that the battery does not contain liquid electrolyte. Each layer of battery material is not only divided into yin and yang, but also acts as an electrolyte to achieve Directed movement of electrons. As for the chemical substances used between the separated layers of battery material, it is now a trade secret.
There isn't a lot of information about Sakti 3 solid-state lithium-ion batteries, and consumers should not be too optimistic about this innovative product. The new battery has not been tested outside the laboratory so far, and there is no news that the energy density of the product is independently verified, and most of the technical details are still unknown. But it is certain that Sakti 3 has caught the attention of General Motors; GM has been researching similar technologies for many years, and its venture capital department has confirmed its technology investment in Sakti 3 batteries. However, even with the attention and financial support of such a large company, there is no guarantee that the solid-state battery will succeed. The concept of the recently failed nickel-manganese-cobalt cathode material is a typical case.
But thanks to GM's support, Sakti 3 has a good opportunity to develop innovative technologies, and Sastry confidently said that internal testing on different types of battery cells shows that their new products have reliable high energy density. . Thanks to the development of solar cell and flat panel display technology, the concept of Sakti 3 solid-state lithium-ion battery has been stimulated; the design of the new battery can also promote the future development of many other industries.
Whether solid-state lithium-ion batteries will become the mainstream configuration of electric vehicle energy sources is still unknown, let us wait and see.
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