Corrosion-Resistant System for Carbon-Free Power and Fuel Cells

The European Patent Office has published a patent application (EP4711327A1) for a corrosion-resistant system designed for carbon-free power generation and fuel cells. The system utilizes a specific ammonia decomposition method and material specifications for its components, aiming to improve durability and efficiency in these energy technologies.

LG Energy Solution Patent for Battery and Manufacturing Method

The European Patent Office has published patent application EP4712221A1 for LG Energy Solution, Ltd., detailing a new battery design and manufacturing method. The patent describes a battery with an inflatable pouch case and an electrode assembly, focusing on the sealing of electrode leads.

EPO Patent Publication: Battery Pack with Housing

The European Patent Office has published a new patent application, EP4712234A1, for a battery pack with a housing, cell group, and reinforcing plates. The patent, filed by Eve Energy Co., Ltd., describes specific structural components designed to enhance the battery pack's integrity.

EPO Patent Publication: Negative Electrode for Lithium-Ion Batteries

The European Patent Office has published patent application EP4645495A2 concerning a negative electrode for lithium-ion secondary batteries, including a lithium-alkaline earth metal alloy. The applicant is LG Energy Solution, Ltd. The publication date is March 18, 2026.

Patent EP4712184A2: Electrode Plate Tab Pattern Forming Apparatus

The European Patent Office has published patent application EP4712184A2 concerning an apparatus for forming electrode plate tab patterns, filed by Samsung SDI Co., Ltd. The patent describes a method and apparatus for creating spaced tab patterns on electrode plates for use in batteries.

EPO Patent: Battery Filler Composition Prevents Thermal Runaway

The European Patent Office has published patent application EP4711419A1 for a battery filler composition developed by SK On Co., Ltd. The composition includes a silicone polymer and aims to prevent or delay thermal runaway and diffusion in battery assemblies, potentially impacting battery safety in vehicles.

Lithium Metal Battery Fabrication Method Patent EP4700851A2

The European Patent Office has published patent application EP4700851A2, detailing a method for fabricating lithium metal batteries. The patent lists Samsung SDI Co., Ltd. and Dankook University as applicants. This publication is part of the EPO's regular bulletin for battery-related inventions.

Lithium Battery Active Material Patent - Samsung SDI

The European Patent Office has published patent EP4685862A2 concerning a negative electrode active material for lithium batteries, filed by Samsung SDI Co., Ltd. The patent details the material composition, the battery containing it, and its preparation method.

EPO Patent EP4667126A1 for Lead-Acid Accumulator Treatment Plant

The European Patent Office has published patent application EP4667126A1 for a spent and/or decommissioned lead-acid accumulator treatment plant and process. The patent application was filed by Engitec Technologies S.p.A. and lists Guido Pizzocri as the inventor.

Spent Lead-Acid Accumulator Treatment Plant and Process Patent

The European Patent Office has published patent application EP4667125A1 for a spent and/or decommissioned lead-acid accumulator treatment plant and process, filed by Engitec Technologies S.p.A. The patent details a specific process for treating lead-acid batteries, with designated states including several European countries.