Recently, there is a piece of news that has set off huge waves in the domestic and even global new energy vehicle industry. A Chinese start-up called Tailan New Energy has made a breakthrough in the field of battery technology.
Tailan New Energy announced through official channels in early April that they have successfully developed the world's first "automotive-grade" all-solid-state lithium metal battery with an energy density of up to 720Wh/kg.
This achievement is simply beyond the reach of all existing EV batteries, and it is too explosive. It is important to know that the energy density of mainstream lithium-ion batteries on the market usually hovers between 120Wh/kg and 260Wh/kg.
Even the top-of-the-line NIO has a semi-solid-state battery that can only reach 360Wh/kg, while the battery developed by the American company for high-altitude "pseudo-satellites" barely touches the ceiling of 450Wh/kg.
However, with its unique technological innovation, the Chinese company Tailan New Energy has doubled this value and directly raised it to a height of 720Wh/kg, which is simply the "rocket lift-off" in the battery industry.
It is understood that Tailan New Energy, a young company founded in 2018, was founded by a group of returnees with a team of lithium battery R&D experts, located in the capital Beijing, and has received multiple rounds of financing support.
All this is not on paper, Tailan New Energy has already taken action. Since 2019, the company has established an R&D center in Beijing to focus on the research and development of solid-state batteries, and in just a few years, the company has built the first 0.2GWh production line for semi-solid-state lithium batteries in Chongqing.
In 2023, it will start to build two semi-solid power battery production lines for vehicle specifications, with a total production capacity of 5GWh, and also prepare a large-scale production line of 7GWh in Anhui.
From the perspective of technical scope, Tailan New Energy has made a series of key breakthroughs in all-solid-state lithium battery technology, including but not limited to core technologies such as ultra-thin and dense composite oxide solid electrolyte, high-performance cathode and anode materials, and integrated molding process.
Based on the integration of these technologies, they finally succeeded in creating this all-solid-state lithium metal battery that refreshed the history of the industry.
The available data shows that Tailan New Energy has unique features in solving the core problem of solid-state batteries - the interface impedance between the electrolyte and the electrode.
For example, through the research and development of two patented technologies, "high-performance oxide solid electrolyte material + interface flexible layer material" and "electrolyte ultra-thin film preparation technology + solid electrolyte and electrode piece composite technology + interface softening technology", the company has effectively optimized the contact performance of the solid electrolyte and electrode, thereby greatly improving the ion transmission efficiency and directly driving the jump in the overall performance and energy density of the battery.
According to public information, in fact, as early as August 2023, Li Yan, CEO of Tailan New Energy, said in an interview that the interface softening technology they developed cleverly embedded a layer of gelatinous material on the solid-state contact surface, thus successfully solving the problem of internal resistance.
At that time, their semi-solid-state batteries had achieved energy densities of 350Wh/kg to 400Wh/kg, while also having an average of 4C fast charging and a cycle life of more than 1,000 cycles.
According to Tailan New Energy's technology roadmap, the liquid electrolyte content of their first-generation semi-solid-state battery is controlled at 5%-10%, and the second-generation liquid electrolyte content is reduced to less than 5%, and the energy density is increased to 400Wh/kg-500Wh/kg.
Now, their claim that the third-generation all-solid-state battery no longer contains any liquid electrolyte and is about to roll off the lab line is a staggering process.
Therefore, judging from the above information, although this breakthrough achievement sounds incredible at first glance, given the steady progress and clear technical path of Tailan New Energy, we have enough reason to remain anticipated and witness how this battery revolution will change the future of the global new energy vehicle industry.
After all, the bullets of scientific and technological innovation are still flying in the air, and surprises are often in the next second. If you have anything to say about this, remember to share it and write down your opinion!