Group 1 - The 2025 High-Performance Sodium Battery Industry Summit will be held on June 9 in Suzhou, organized by GGII and sponsored by Zhongna Energy [2] - The 2025 High-Performance Solid-State Battery Technology and Application Summit is scheduled for June 10 in Suzhou, organized by GGII and sponsored by Liyuanheng [3] Group 2 - The National Standard for Lithium-Ion Battery Coding (GB/T 45565—2025) was approved on April 25, 2025, and will be implemented on November 1, 2025, requiring each new lithium-ion battery to have a unique identification code [3] - The coding system will cover all product levels from cell to battery system, enabling full lifecycle management and traceability of batteries [3][4] - The coding consists of five parts: enterprise code, product type, battery type, production date, and dynamic serial number, facilitating a shift from post-event accountability to proactive governance [3][4] Group 3 - In the long term, the coding system will create a "digital archive" for batteries, enhancing product quality control and customer service, while meeting transparency requirements from manufacturers and regulators [4] - The coding data will support new services such as battery health monitoring and carbon footprint management [4] - The "One Battery, One Code" initiative aligns with international efforts for a "battery passport," establishing a technical foundation for domestic implementation [4][5] Group 4 - Leading Chinese companies like CATL, Sunwoda, and Envision Energy are advancing their coding systems to align with the GBA battery passport standards [5] - Major battery manufacturers in China have joined the Global Battery Alliance to promote international recognition of the coding system [5] - The "One Battery, One Code" initiative is expected to support national quality traceability and recycling systems, and later connect with battery passport requirements for compliance in the European market [5]