Patent Applications by SAMSUNG SDI CO LTD on 18th September 2025

SAMSUNG SDI CO LTD: 37 patent applications

SAMSUNG SDI CO LTD has applied for patents in the areas of 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, 8), H01M50/383 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 7), H01M10/613 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 5), H01M10/052 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY, 4), H01M50/103 (prismatic or rectangular (, 4)

Patent Applications by SAMSUNG SDI CO LTD

20250288839. FIRE EXTINGUISHING DEVICE AND METHOD FOR ENERGY STORAGE SYSTEM

Abstract: A fire extinguishing device and method for an energy storage system are disclosed. A fire extinguishing device includes a storage box located at a rear of a rack frame and storing a fire extinguishing agent, a supplier connected to the storage box and configured to supply the fire extinguishing agen...

20250288968. APPARATUS FOR MIXING AND AGITATING ELECTRODE MATERIALS FOR SECONDARY BATTERY

Abstract: An apparatus for mixing and agitating electrode materials for a secondary battery includes: a vessel configured to accommodate materials for a secondary battery, the vessel including a transparent material such that an inside of the vessel is visible from the outside; an agitator configured to rotat...

20250289922. EPOXY RESIN COMPOSITION FOR ENCAPSULATING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE ENCAPSULATED USING THE SAME

Abstract: An epoxy resin composition for encapsulation of semiconductor devices and a semiconductor device encapsulated using the epoxy resin composition, the epoxy resin composition including an epoxy resin, a curing agent, an inorganic filler, a curing catalyst, and an additive including at least one compou...

20250290996. DEVICE AND METHOD FOR DETECTING A CONDITION OF SECONDARY BATTERY

Abstract: A device and a method for detecting a condition (e.g., deterioration) of a secondary battery are disclosed. A device for detecting a condition of a secondary battery according to embodiments includes: a measurement device configured to measure a current of the secondary battery; and a control device...

20250291241. HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS

Abstract: A hardmask composition, a hardmask layer that is manufactured from the hardmask composition, and a method of forming patterns by using the hardmask layer manufactured from the hardmask composition, the hardmask composition includes a polymer including a structural unit represented by Chemical Formul...

20250291248. PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN LAYER AND SEMICONDUCTOR DEVICE USING THE SAME

Abstract: A photosensitive resin composition, a photosensitive resin layer manufactured utilizing the photosensitive resin composition, and a semiconductor device including the photosensitive resin layer are provided. The photosensitive resin composition includes: (A) at least one resin selected from among a ...

20250293244. NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING SAME, NEGATIVE ELECTRODE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Abstract: A negative active material, a method of preparing the same, a negative electrode including the same, and a rechargeable lithium battery including the same are provided. The negative active material has a peak intensity ratio (I...

20250293261. COMPOSITE SUBSTRATE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE COMPOSITE SUBSTRATE

Abstract: Disclosed are composite substrates and rechargeable lithium batteries including the composite substrates. A composite substrate includes a support layer and a coating layer on the support layer. The coating layer includes a carbon material and a hydrogel. The coating layer is configured to contain a...

20250293299. ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Abstract: An electrolyte and a rechargeable lithium battery including the electrolyte are provided. The rechargeable lithium battery includes a positive electrode that includes a positive electrode active material, a negative electrode that includes a negative electrode active material, and an electrolyte. Th...

20250293300. ELECTROLYTE ADDITIVE FOR ELECTROLYTE, ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Abstract: Provided are an electrolyte additive represented by Chemical Formula 1 or Chemical Formula 2, and an electrolyte for a rechargeable lithium battery including the same....

20250293309. ALL-SOLID-STATE BATTERY, MANUFACTURING EQUIPMENT OF THE SAME, AND MANUFACTURING METHOD OF THE SAME

Abstract: An exemplary all-solid-state battery includes a positive electrode in which a positive electrode layer may be provided on both surfaces of a positive electrode current collector layer, a pair of solid electrolyte layers disposed on the both surfaces of the positive electrode, and a negative electrod...

20250293314. METHOD FOR MANUFACTURING SECONDARY BATTERY AND SECONDARY BATTERY MANUFACTURED USING THE SAME

Abstract: In a method for manufacturing a secondary battery, the method includes: electrically connecting a first current collector plate to the first electrode plate of an electrode assembly including: a first electrode plate; a second electrode plate; and a separator between the first electrode plate and th...

20250293315. ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY WITH THE SAME

Abstract: An electrode assembly includes a first electrode including a first substrate and a first composite layer on the first substrate, a separator, a second electrode including a second substrate and a second composite layer on the second substrate, and stacked and wound with the first electrode with the ...

20250293322. BATTERY PACK

Abstract: A battery pack includes a battery cell, a terrace extending from the battery cell, a protection circuit module facing the terrace, and a protective film including a thermally conductive material and arranged around the protection circuit module....

20250293325. BATTERY PACK

Abstract: Provided is a battery pack. The battery pack includes a battery cell, a pouch covering the battery cell and including a terrace formed in a first direction in which an electrode of the battery cell is drawn out, a flexible circuit board including a controller configured to control charging and disch...