EPO Patent Publication: Electrochemical Cell Quality Checking Method and Device

The European Patent Office has published patent application EP2026027190A1 concerning a method and device for checking the quality of electrochemical cells. The publication date is March 18, 2026, and it lists various European countries as designated states.

EPO Patent Application: Storage Unit Characteristic Value Determination

The European Patent Office has published patent application EP2026027169A1, detailing a method and system for determining characteristic values of storage units for electrical energy. This publication is part of the EPO's regular bulletin for batteries.

EPO Patent Publication: Removal Device for Cell Stack

The European Patent Office has published patent application EP2026027078A1 concerning a removal device for a cell stack. The publication date is March 18, 2026, and it includes classifications related to battery technology.

EPO Patent EP4712176A1: Solid Oxide Oxidation Unit for Fuel Cells

The European Patent Office has published patent application EP4712176A1 concerning a solid oxide oxidation unit for fuel cells, developed by AIRBUS Operations GmbH. The patent describes a unit for converting reductants to thermal energy and a fuel cell arrangement incorporating this unit, potentially for use in vehicles like aircraft.

Battery Pack and Vehicle Design with Heat Sink Patent Application

The European Patent Office published a patent application by LG Energy Solution, Ltd. for a battery pack and vehicle design featuring a heat sink. The application details a specific configuration for battery cells, busbars, and a heat sink to manage thermal conductivity.

EPO Patent Publication: Battery Pack and Vehicle

The European Patent Office has published patent application EP4657612A2 concerning a battery pack and a vehicle comprising the same. The applicant is LG Energy Solution, Ltd. The publication date is March 18, 2026.

Method for Producing Positive Electrode Active Material for Lithium Secondary Battery

The European Patent Office has published a patent application by LG Chem, Ltd. for a method of producing positive electrode active material for lithium secondary batteries. The method involves washing and heat-treating a lithium transition metal oxide with a metal phosphate compound to form a surface coating layer.

Lithium Battery Electrode Material Production Patent EP4668397A2

The European Patent Office has published patent application EP4668397A2 concerning a method for producing positive electrode active material for lithium secondary batteries. The patent application was filed by LG Chem, Ltd. and lists JUNG, Won Sig, PARK, Hyun Ah, YOON, Yeo June, and LEE, Kang Hyeon as inventors.

Battery Module and Pack with Reinforced Safety Patent

The European Patent Office has published patent application EP4712245A1 for a battery module and pack with reinforced safety, developed by LG Energy Solution, Ltd. The patent describes an improved safety mechanism to control venting during thermal events within the battery module.

Battery Module and Pack Patent Application - AESC Japan Ltd.

The European Patent Office has published a patent application (EP4700937A3) for a battery module and pack filed by AESC Japan Ltd. The patent describes a design for battery cells with airbags and tabs, integrated with adhesive blocks and housing components to enhance module stability and safety.