At the 2026 Beijing Motor Show, CATL announced a semi-solid-state cell rated at 350 or more watt-hours per kilogram, a flash-charging chemistry that hits 10 to 80% in under four minutes, and a sodium-ion battery targeting small and cold-climate applications. The Everything Electric Show used its time at the show to interview Limbo Su, CATL's chief technology officer for overseas markets, for about 30 minutes on the detail behind each of those claims. The conversation covered what is actually stopping solid-state from reaching production, why the 500 Wh/kg aviation cell can't go into a passenger car, what CATL learned building its first European factory in Germany, and why iX3 demand ran so far ahead of BMW's own estimates that CATL had to find additional production capacity.
CATL supplies battery cells to BMW, Mercedes-Benz, Volkswagen, Porsche, and others. At Beijing, the company presented several distinct products for different segments. The Qilin third-generation NMC cell comes in at 280-plus watt-hours per kilogram, over 40% more energy-dense than LFP. A condensed variant of the Qilin, borrowing from aviation applications, reaches 350-plus watt-hours per kilogram. The Shenxing Generation 3 flash-charging chemistry completed a 10-to-80% charge in 3 minutes and 44 seconds in testing, but achieving that in a real car requires chargers operating at up to 1,500 kW, infrastructure that does not currently exist on public networks in Europe or North America. Su was direct about why the 500 Wh/kg aviation cell can't be scaled to passenger cars: at those densities, the housing material shifts to titanium and cell-to-cell thermal containment requires specialist design, making the cost per kWh prohibitive for volume production. CATL's Germany plant, its first European facility, had to navigate the most complex regulatory environment of any market it has built in, covering chemical handling, NMP emissions controls, laser welding certifications, and construction codes with no prior European reference point to draw from. The Hungary plant that followed was significantly faster to establish as a result.
On solid state, Su was consistent with CATL's public position: the technology is not ready for mass production. Demo vehicles using solid-state cells should appear within one to two years. Mass production is still further out. CATL has more than 500 people working on solid-state cell development, materials science, and manufacturing integration. Su's framing was that CATL will not announce timelines until the product is genuinely ready for the car, not for a press release. On recycling, CATL is already processing over 100,000 tonnes of battery material annually in China, with recovered lithium, nickel, and cobalt cycling back into production; European recycling remains small-scale because there are not yet enough end-of-life batteries to make collection economics work, but EU battery regulations targeting 2030 will change that. Su confirmed that BMW iX3 and Mercedes CLA demand exceeded each manufacturer's own projections, requiring CATL to reallocate production capacity, and that Europe's Q1 2026 EV market share passed 30% in March, with year-on-year growth above 50%.
Bottom line: The 4-minute charge exists as chemistry. The infrastructure to support it does not yet exist anywhere. The more consequential near-term story from CATL is cell weight: as energy density climbs, batteries get lighter, cars become more efficient, and driving dynamics improve. Solid state will happen. Su just won't tell you when, which, coming from CATL, is the most credible signal in the industry.