Abstract: A condensed-cyclic compound represented by Formula 1A: wherein in Formula 1A, groups, substituents, and variables are the same as defined in the specification.
Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and coupled to the first electrode tab; and a cap assembly sealing an opening in the case. The cap assembly includes: a cap plate covering the opening in the case; and a terminal plate coupled to the cap plate. The terminal plate includes: a flange portion coupled to and electrically insulated from the cap plate; and a tab connecting portion protruding from the flange portion toward the electrode assembly and extending through a terminal opening in the cap plate to be coupled to the second electrode tab. The terminal plate has a flat outer surface, and the tab connecting portion has a flat inner surface.
Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly which is wound and includes a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; a casing which accommodates the electrode assembly; a first electrode tab which is connected to a non-coated portion of the first electrode; a second electrode tab which is connected to a non-coated portion of the second electrode; and a first insulating tape which is positioned at a winding start portion of the electrode assembly and attached to the non-coated portion of the first electrode so as to at least cover a center of a first curved portion which is curvedly formed as the electrode assembly is wound.
Abstract: Example embodiments include an aerogel composition for battery insulation sheets, the aerogel composition including an aerogel, a functional material including a binder, a dispersant, or a combination thereof, and a solvent. The binder includes a first binder including an aqueous polymer binder and a second binder including a fluorocarbon-based binder. Example embodiments also include a method of manufacturing the aerogel composition, a battery insulation sheet formed using the aerogel composition, and a battery module including the aerogel composition.
Type:
Application
Filed:
April 22, 2024
Publication date:
November 14, 2024
Applicant:
SAMSUNG SDI CO., LTD.
Inventors:
Hye Jin PARK, Myung Heui WOO, Bo Kyung RYU, Seung Yong YANG, Ha Na RA, Jae Hyun LEE
Abstract: Example embodiments include an aerogel composition for battery insulation sheets, the aerogel composition including an aerogel, a functional material including a binder, a dispersant, or a combination thereof, a flame retardant including a phosphorus-based material, and a solvent. Example embodiments also include a method of manufacturing the aerogel composition, a battery insulation sheet formed using the aerogel composition, and a battery module including the aerogel composition.
Type:
Application
Filed:
April 24, 2024
Publication date:
November 14, 2024
Applicant:
SAMSUNG SDI CO., LTD.
Inventors:
Hye Jin PARK, Myung Heui WOO, Bo Kyung RYU, Seung Yong YANG, Ha Na RA, Jae Hyun LEE
Abstract: Example embodiments include a positive electrode for a non-aqueous electrolyte rechargeable battery that is capable of sufficiently reducing an increase in the internal temperature of the battery, improving safety, and maintaining electrical resistance and cycle characteristics within an appropriate range. According to example embodiments, a positive electrode for a non-aqueous electrolyte rechargeable battery includes a positive electrode active material and inorganic particles, the inorganic particles contain boron, D50, 50% of an integrated value of a particle diameter volume-based particle size distribution in a particle size distribution obtained by a laser diffraction/scattering method of the inorganic particles is greater than or equal to about 0.3 ?m and less than or equal to about 8.0 ?m, and a ratio of a major diameter to a minor diameter of the inorganic particles is greater than or equal to about 3.0 and less than or equal to about 30.
Abstract: An electrode assembly includes: a first electrode plate having a first electrode uncoated portion spaced apart from both ends in a longitudinal direction thereof, and a base tab on one surface of the first electrode uncoated portion; a second electrode plate having a second electrode uncoated portion spaced apart from both ends in a longitudinal direction thereof, and a base tab on one surface of the second electrode uncoated portion; a separator between the first electrode plate and the second electrode plate; a tab cover tape attached to the one surfaces of the first electrode uncoated portion and the second electrode uncoated portion; an uncoated portion cover tape attached to each of the other surfaces of the first electrode uncoated portion and the second electrode uncoated portion; and an insulating tape attached onto the second electrode plate at a position corresponding to the first electrode uncoated portion.
Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
Type:
Grant
Filed:
July 9, 2021
Date of Patent:
November 12, 2024
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Jongwoo Won, Dong Wan Ryu, Hayun Song, Eunhye An, Hyung Sun Kim, Jinhyun Lui, Mijin Lee, Hyungyu Lee, Sung-Hyun Jung, Ho Kuk Jung
Abstract: A CMP slurry composition for polishing a tungsten pattern wafer and a method of polishing a tungsten pattern wafer, the CMP slurry composition including a solvent, the solvent being a polar solvent or a non-polar solvent; an abrasive agent; and a biocide, wherein the abrasive agent includes silica modified with a silane containing two nitrogen atoms or silica modified with a silane containing three nitrogen atoms, the biocide includes a compound of Formula 3:
Type:
Grant
Filed:
July 19, 2021
Date of Patent:
November 12, 2024
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Eui Rang Lee, Yoon Young Koo, Won Jung Kim, Hyeong Mook Kim, Tae Won Park, Jong Won Lee, Youn Jin Cho
Abstract: A protection assembly includes: a bottom cover of a battery housing, and including a plurality of first coupling members at a first surface of the bottom cover; and a protection member below the bottom cover in a coupled state, and including a plurality of second coupling members at a second surface of the protection member. The first surface and the second surface face each other in the coupled state, and each of the second coupling members are to engage with a corresponding one of the first coupling members to mechanically connect the protection member to the bottom cover when the protection member is slid in a first direction along the bottom cover.
Abstract: The present invention relates to a separator for a lithium secondary battery, and a lithium secondary battery including the same. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate, wherein the coating layer includes a binder including a (meth)acrylic copolymer including a first structural unit derived from (meth)acrylamide, a second structural unit derived from (meth)acrylonitrile, and a third structural unit derived from (meth)acrylamidosulfonic acid, a (meth)acrylamidosulfonic acid salt or a combination thereof; first inorganic particles; and second inorganic particles, wherein the average diameter of the first inorganic particles is 400 nm to 600 nm, and the average diameter of the second inorganic particles is smaller than the average diameter of the first inorganic particles.
Type:
Grant
Filed:
August 9, 2019
Date of Patent:
November 5, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jungyoon Lee, Gain Kim, Yangseob Kim, Yongkyoung Kim, Dongwan Seo, Yeonjoo Choi, Hyeonsun Choi
Abstract: This application relates to a cathode active material for a lithium secondary battery, a method of preparing the cathode active material, a cathode employing the cathode active material, and a lithium secondary battery employing the cathode. The cathode active material may include a secondary particle in which primary particles are aggregated and a first coating layer disposed on the plurality of primary particles to have a thickness of about 2.5 nm or less and including a NiO-like crystalline phase belonging to a Fm3-m space group. The cathode active material may prevent surface deterioration through a washing process using a weakly acidic or neutral organic buffer, thereby improving the initial efficiency characteristic and life characteristics of the lithium secondary battery while maintaining the initial capacity of the lithium secondary battery.
Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed, and the negative active material includes a primary particle of a crystalline carbon-based material and secondary particle that is an assembly of the primary particles, wherein a ratio of an average particle diameter (D50) of the secondary particle relative to an average particle diameter (D50) of the primary particle (average particle diameter (D50) of the secondary particle/average particle diameter (D50) of the primary particle) ranges from about 1.5 to about 5 and an aspect ratio of the primary particle ranges from about 1 to about 7.
Type:
Grant
Filed:
May 31, 2023
Date of Patent:
October 29, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Ji Woo Ahn, Dongwoo Kim, Jaehou Nah, Bumjin Chang, Yurim Cha, Yeonjoo Choi, Ilyoung Choi
Abstract: A resist underlayer composition and a method of forming patterns using the same is disclosed. The resist underlayer composition includes a polymer including a structure represented by Chemical Formula 1 at the terminal end and a structural unit represented by Chemical Formula 2 and a structural unit represented by Chemical Formula 3 in the main chain; and a solvent. Definitions of Chemical Formula 1 to Chemical Formula 3 are the same as described in the detailed description.
Type:
Grant
Filed:
March 23, 2020
Date of Patent:
October 29, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Yoojeong Choi, Soonhyung Kwon, Minsoo Kim, Hyeon Park, Shinhyo Bae, Jaeyeol Baek
Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the compound being represented by Chemical Formula 1:
Type:
Grant
Filed:
October 22, 2020
Date of Patent:
October 29, 2024
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Chang Ju Shin, Hyung Sun Kim, Jihun Shin, Eunhye An, Jongwoo Won, Dongkyu Ryu, Seungjae Lee, Hanill Lee, Sung-Hyun Jung, Ho Kuk Jung
Abstract: A fan fault detection device includes: a plurality of sub-modules; and a master module to configured to determine faults of a plurality of fans, wherein each of the plurality of sub-modules includes: a first input terminal for receiving a detection signal indicating whether a corresponding fan is defective; a second input terminal; an output terminal; a switching circuit connected between the output terminal and a first power source for supplying a voltage signal corresponding to a state signal and, the switching circuit configured to switch an output of the state signal through the output terminal according to the detection signal; and a first signal transmission circuit connected between the first input terminal and the switching circuit, the first signal transmission circuit configured to transmit the detection signal to the switching circuit according to a signal received by the second input terminal.
Abstract: A battery module includes: a plurality of aligned battery cells having differently-oriented surfaces; a cell supervision circuit (CSC) configured to receive signals corresponding to the voltage and/or temperature of at least one of the battery cells; and a flexible interconnector comprising a strip-shaped flexible printed circuit (FPC). The FPC includes a first insulating main surface, a second insulating main surface opposite the first insulating main surface, and a plurality of thermally and/or electrically conducting lines between the first insulating main surface and the second insulating main surface. Each of the conducting lines has a contact portion exposed by a contact aperture in the first insulating main surface and/or in the second insulating main surface and a connecting portion for connection to the CSC, and the flexible interconnector wraps around the battery cells such that the contact portions contact the differently-oriented surfaces of the battery cells.
Type:
Grant
Filed:
September 26, 2020
Date of Patent:
October 22, 2024
Assignee:
SAMSUNG SDI CO., LTD.
Inventors:
Martin Weinberger, Ralph Wuensche, Michael Erhart
Abstract: A curable resin composition includes a silicon-containing polymer, hollow silica particles having greater than or equal to two times higher a maximum peak value in a Q4 region than that in a Q3 region, as measured by silicon nuclear magnetic resonance spectroscopy (Si-NMR) analysis. A solvent, a thin film prepared from the composition, and a color conversion panel including the thin film, and a display device including the color conversion panel are also provided.
Type:
Grant
Filed:
March 14, 2022
Date of Patent:
October 22, 2024
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Seungeun Lee, Hyun-Joo Seo, Jeehyun Ryu, Donggyoon Seo, Minji So, Dongju Shin, Sungkeun Lee
Abstract: The present invention is related to a first compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. In Chemical Formula 1, definitions of each substituent are the same as defined in the specification.
Abstract: A secondary battery including: an electrode assembly including a first electrode plate having a first electrode tab, a second electrode plate having a second electrode tab, and a separator between the first electrode plate and the second electrode plate; and a case accommodating the electrode assembly. The separator includes an extension part extending in a direction in which gas is discharged to the outside of the case.