This document is a publication of a patent application by the European Patent Office (EPO) concerning a "Battery pack having double-layer structure, solid-state lithium-ion battery, electric vehicle." The application number is EP2026025615A1, and it was published on March 18, 2026. The patent covers innovations related to battery pack design, specifically a double-layer structure and solid-state lithium-ion battery technology, intended for use in electric vehicles.

As this is a patent publication, it does not impose direct regulatory obligations or compliance deadlines on entities. However, it signifies potential technological advancements in the battery and electric vehicle sectors. Companies operating in these industries, particularly manufacturers and those involved in research and development, should be aware of this publication as it may relate to intellectual property landscapes and future product development. No specific actions or penalties are associated with this patent publication itself.