The EPO published patent EP4542243A1 on March 25, 2026, granting exclusive rights to Contemporary Amperex Technology (Hong Kong) Limited for a battery lithium plating mapping acquisition method and apparatus. The patent covers techniques for detecting and mapping lithium plating in energy storage systems, classified under IPC G01R31/367 and H01M10/48. The patent is designated across all EU member states and related jurisdictions including AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR.

This is a routine patent grant notice with no compliance deadlines or required actions. Entities in the battery and electric vehicle industries should be aware of CATL's intellectual property portfolio in lithium plating detection technology when developing battery management systems or related products. No immediate action is required; however, companies conducting R&D in this area may wish to review the patent claims to assess potential licensing needs or design-around considerations.