The European Patent Office (EPO) has published patent application EP4607070A1, detailing an explosion prevention valve assembly for battery cores, battery packs, and electrical systems. The application was filed by BYD Company Limited and lists YUAN Wansong, CHEN Chong, WANG Xinyue, and DENG Dongjun as inventors. The publication date is March 18, 2026, and it is designated for numerous European states.

This publication represents the grant of a patent for a specific technological innovation related to battery safety. While it does not impose new regulatory obligations on manufacturers, it signifies a development in the field of battery safety technology. Companies involved in battery manufacturing or electrical systems may wish to review this patent for potential implications on their own product development or intellectual property strategies, particularly concerning safety features and compliance with evolving battery safety standards.