Although the development of new energy vehicles in the mainland is relatively rapid, especially in the past two years, ushered in a period of rapid development! However, there are still a considerable number of people who are worried about the mileage and battery life of new energy vehicles, and the core of them is the battery problem.
Fortunately, now battery technology has ushered in a new breakthrough, this year has revealed the news of solid-state batteries, compared with liquid batteries, solid-state batteries have a higher energy density, simply put, it has a higher battery capacity under the same volume. Two days ago, the new Zhiji L6 car that has just been released uses a semi-solid-state battery, but it is still a little far from a real solid-state battery.
Today, the news shared by the Qingdao Institute of Energy of the Chinese Academy of Sciences shows that sulfide solid-state batteries have made a key breakthrough, and strive to take the lead in realizing the mass production of sulfide all-solid-state batteries in 2026.
It is understood that the sulfide solid electrolyte has the advantages of non-oxidation and non-solidification at low temperature at 60 °C in a suitable electrochemical window, so as to have both high energy density and high rate performance.
Recently, researcher Wu Jianfei led the advanced energy storage materials and technology research group to solve the industry pain points and bottlenecks of the sulfide all-solid-state battery stacking process, and made a key breakthrough in the sulfide pouch battery stacking technology.
Ionic conductivity, activation energy, lithium-symmetrical battery performance, and all-solid-state lithium-sulfur battery performance of Zn, F co-doped electrolytes
And it is claimed that the capacity of the prepared multi-layer laminated pouch battery is almost not attenuated after 300 cycles, if the battery can achieve a range of 1000km according to 1 time, 300 cycles is equivalent to 300,000 kilometers, and according to the calculation of 30,000 kilometers per year, it can achieve no attenuation of the battery in about 10 years, which is still very considerable.