How a Finnish-German network and Beijing’s „smart“ counter-strategy are reshaping the future of e-mobility.
Monday, February 23, 2026, could mark a turning point in the global battery landscape. Finnish technology company Donut Lab is set to publish the long-awaited independent test results of its „Donut Battery“ from the VTT Technical Research Centre of Finland. If the data confirms the start-up’s extraordinary claims, it would not only be a technological breakthrough but, more importantly, a strategic earthquake with its epicenter in Europe – and a major tectonic plate named China.
Behind the surprising Finnish success, a German core component is suspected: CT Coating AG, a small specialist based in Königswinter, North Rhine-Westphalia. The highly specialized screen printing and coating processes of this Mittelstand company are considered the „secret booster“ that may have enabled the Donut Battery’s extreme performance data. While Beijing long focused on acquiring visible technology giants to expand its battery dominance, the world now faces a new paradigm: Europe is banking on an „intelligent stealth mode“ of discreet innovation and fragmented networks to break the overwhelming dominance of Chinese corporations like CATL and BYD that has persisted for years. China, in turn, is not responding to this push with panic, but with a long-planned, deep integration – transforming Europe from a pure sales market into a „Sino-German technology testbed.“
The wake-up call from Helsinki and the quiet power from Königswinter
The excitement is understandable. The key data for the solid-state battery presented by Donut Lab reads like the holy grail of e-mobility: an energy density of 400 Wh/kg, a five-minute charge time, a lifespan of 100,000 cycles, and all without rare earths or flammable liquids. Many experts, including the CEO of Chinese competitor Svolt Energy, dismissed these figures as unserious or even fraudulent just weeks ago.
However, the crucial difference from previous industry announcements is the supply chain. Donut Lab is not an isolated lab but the visible part of a European ecosystem. Industry research suggests that the core innovation – a solvent-free, low-energy screen-printing technology for bipolar electrodes – originates from CT Coating AG. This company, with fewer than 50 employees, embodies the strength of the German „Mittelstand“ in the high-tech world: it specializes in high-precision nanocoating that suppresses dendrite growth and radically improves ionic conductivity. Through an opaque network of licensees like the Swedish-German company Holyvolt and Finnish materials researchers at the University of Eastern Finland, this knowledge has flowed to Helsinki – without a single Chinese investor gaining access.
The end of the „KUKA model“: How China learned the new rules of the game
For China, this development is a strategic wake-up call of a specific kind. For years, Beijing pursued the successful tactic of open acquisitions, symbolized by the purchase of Augsburg robotics pioneer KUKA by Midea in 2016. They bought into visible, publicly traded companies, integrated the know-how, and scaled it in domestic gigafactories.
This model, however, reaches its limits with solid-state batteries. The crucial knowledge does not lie in mechanical engineering corporations but in small, non-listed family businesses or university spin-offs – and these have become nearly untouchable for Chinese investors due to the massively tightened EU FDI regulations (investment screening) since 2020. CT Coating AG is the perfect counter-model to KUKA: invisible, unsellable, and strategically protected.
China’s answer: Not falling behind, but embracing
Does this mean China will miss the boat on the next battery generation? Analysts see this more nuancedly. Much suggests that Chinese companies do not need to fear this European push because they are already on a different path. Bochum-based automotive expert Ferdinand Dudenhöffer puts it succinctly: Europe has a 20-year deficit in the battery sector – and the solution lies not in isolation, but in intelligent partnerships.
While Europe debates technological sovereignty, Chinese corporations like CATL and Gotion High-Tech have already created facts. In 2025 and early 2026 alone, Chinese battery giants celebrated groundbreakings for plants in Spain, Hungary, and Slovakia. CATL, together with Stellantis, is building a €41 billion factory in Zaragoza specifically designed to produce low-cost LFP batteries for the European mass market.
Beijing’s strategy is crystal clear: Should the Donut Battery prove to be a resounding success, China will not emerge as the loser, but as the player capable of bringing this technology to series production faster, cheaper, and in larger volumes – possibly in joint ventures with the very European car manufacturers now hoping for Donut Lab.
Race of systems: Innovation vs. Scaling
February 23, 2026, will thus become a litmus test for two competing economic models:
- The European model: Disruptive cutting-edge innovation from small units and cross-border research networks, supported by protectionist investment controls.
- The Chinese model: Unchallenged dominance in industrial scaling, cost (30 percent cheaper), and development speed (50 percent faster), combined with deep anchoring in the European market through local production.
Skeptics also point out that Donut Lab’s own statements are not entirely consistent. While the press release mentions a five-minute charging time, graphics on the company’s website show longer charging curves, and the first customer motorcycles are stated by the manufacturer to charge in ten minutes. Questions also remain about the exact materials and the actual chemical composition (is it a true solid-state cell or a hybrid?).
Outlook
Regardless of the open questions, one thing is certain: The European battery dream is back – carried by a Finnish visionary and a German tinkerer. The coming months will show whether Europe masters the art of invention, while China continues to perfect the art of exploitation. If the VTT data is positive, it will trigger a global investment race where, in the end, the old rules may still apply: the one with the largest factory and the lowest costs wins. And in that discipline, there is still no way around China.
