On July 4, the European Patent Office (EPO) officially announced that Wu Kai, the chief scientist of CATL, and his team have won the European Inventor Award 2023 for the “Non-EPO countries” from more than 600 candidates. Wu kai and his team have developed a lithium-ion battery with a top cover, which serves as a barrier to reduce battery safety risks. The invention will effectively ensure the safety of cars equipped with flammable electrolyte lithium-ion batteries. The European Inventor Award is one of the most prestigious innovation awards in Europe. Launched by EPO in 2006, the award recognizes individuals and teams who have presented solutions to some of the greatest challenges of our time. All candidates must have European patents.