Patent Applications by SAMSUNG SDI CO LTD on 11th September 2025

SAMSUNG SDI CO LTD: 53 patent applications

SAMSUNG SDI CO LTD has applied for patents in the areas of H01M10/0567 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 8), H01M10/052 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 6), H01M50/533 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 6), H01M50/209 (Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus, 6), H01M10/0525 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 5)

Patent Applications by SAMSUNG SDI CO LTD

20250281779. FIRE EXTINGUISHING SYSTEM OF ENERGY STORAGE SYSTEM

Abstract: A fire extinguishing system includes: a plurality of battery racks each configured to receive a plurality of battery modules, the fire extinguishing system including: a sensing unit configured to sense at least one of temperature, voltage, or smoke of the battery modules; and a fire extinguishing un...

20250281780. ENERGY STORAGE DEVICE WITH FIRE EXTINGUISHING FUNCTION

Abstract: An energy storage device includes: a case having a mounting space inside the case; a plurality of battery cells installed inside the case; and a fire extinguishing unit extending inside the case and configured to supply a fire extinguishing agent, wherein the fire extinguishing unit is configured to...

20250281963. PUNCHING DEVICE AND PUNCHING METHOD USING SAME

Abstract: A punching device includes: a die to receive a substrate disposed thereon; a stripper spaced apart from and facing the die, and to move toward the substrate to fix the substrate; and a punch to move toward the substrate and cut the substrate. The stripper includes: a punch accommodation portion to a...

20250282072. PUNCH, PUNCHING MACHINE AND METHOD USING THE SAME

Abstract: A punch includes: a punch body including an inner space and an air inlet; a push pin including an air flow path to flow through air introduced from the air inlet to the outside; and an elastic member between the punch body and the push pin, and to provide an elastic restoring force. The push pin and...

20250282073. PUNCHING DEVICE AND PUNCHING METHOD USING SAME

Abstract: A punching device including: a die to receive a substrate corresponding to a cutting target disposed thereon; a stripper spaced from and facing the die, and to move toward the substrate to pressurize and fix the substrate; and a punch to move toward the substrate to cut the substrate to form a scrap...

20250282641. PREPARATION METHODS OF POSITIVE ELECTRODE ACTIVE MATERIALS, AND RECHARGEABLE LITHIUM BATTERIES

Abstract: Disclosed are a method of preparing a positive electrode active material, a positive electrode active material prepared according to the method, and a rechargeable lithium battery including the positive electrode active material. The method includes mixing a nickel-based precursor and a first lithiu...

20250282642. PREPARATION METHODS OF POSITIVE ACTIVE MATERIALS, AND RECHARGEABLE LITHIUM BATTERIES

Abstract: Disclosed are a method of preparing a positive electrode active material, a positive electrode active material prepared according to the method, and a rechargeable lithium battery including the positive electrode active material. The method includes mixing a nickel-based precursor and a first lithiu...

20250283839. METHOD AND APPARATUS FOR MANUFACTURING ALL-SOLID-STATE BATTERY

Abstract: The present disclosure relates to a method of manufacturing an all-solid state battery, and more specifically, is to provide a method of manufacturing an all-solid state battery, in which performance degradation factors of all-solid-state batteries are identified through a non-destructive inspection...

20250283947. METHOD AND SYSTEM FOR METHOD FOR DETECTING CONNECTION DEFECTS IN SENSING LINES AND BATTERY PACK INCLUDING THE SAME

Abstract: A method for detecting a connection defect in a sensing line includes measuring an overall voltage of a battery pack and a voltage of each of a plurality of cell banks included in the battery pack, calculating, based on the overall voltage and the voltage of each of the plurality of cell banks, a vo...

20250283950. APPARATUS AND METHOD FOR CALCULATING INTERNAL RESISTANCE OF BATTERY, AND COMPUTER PROGRAM

Abstract: The present disclosure relates to an apparatus and method for calculating an internal resistance of a battery, and a non-transitory computer-readable medium. Some embodiments provide a topology capable of measuring an internal resistance of a battery cell even when the battery is mounted on a vehicl...

20250284194. SEMICONDUCTOR PHOTORESIST COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION

Abstract: A semiconductor photoresist composition and a method of forming patterns utilizing the semiconductor photoresist composition are provided. The semiconductor photoresist composition includes a Sn-containing organometallic compound, a carboxylic acid compound substituted with an O-containing heterocyc...

20250284195. CURABLE RESIN COMPOSITION, CURED FILM FORMED THEREFROM, AND ELECTRONIC DEVICE HAVING CURED FILM

Abstract: A curable resin composition comprising (A) a silicone-based polymer, the surface, and (C) a solvent....

20250284196. RESIST TOPCOAT COMPOSITIONS AND METHODS OF FORMING PATTERNS USING THE COMPOSITION

Abstract: Provided are a resist topcoat composition and a method of forming patterns using the resist topcoat composition, the resist topcoat composition including a copolymer including a first structural unit represented by Chemical Formula M-1 and a second structural unit represented by Chemical Formula M-2...

20250284197. RESIST TOPCOAT COMPOSITION, AND METHOD OF FORMING PATTERNS USING THE COMPOSITION

Abstract: A resist topcoat composition and a method of forming patterns using the resist topcoat composition are provided. The resist topcoat composition may include a copolymer including a first structural unit represented by Chemical Formula M-1 and a second structural unit represented by Chemical Formula M...

20250286040. NEGATIVE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Abstract: A negative active material, including a first active material including a silicon core and a carbon coating layer on the core, a carbon second active material having an aspect ratio of about 4 to about 100, and a crystalline carbon third active material....