SAMSUNG SDI CO., LTD. patent applications on April 17th, 2025
Patent Applications by SAMSUNG SDI CO., LTD. on April 17th, 2025
SAMSUNG SDI CO., LTD.: 21 patent applications
SAMSUNG SDI CO., LTD. has applied for patents in the areas of H01M4/02 (9), H01M4/62 (8), H01M10/0525 (5), H01M10/0562 (5), H01M10/052 (4) H01M4/622 (4), H01M4/366 (2), H01M10/4285 (2), B05D7/544 (1), G03F7/168 (1)
With keywords such as: battery, electrode, material, including, layer, active, anode, secondary, about, and lithium in patent application abstracts.
Patent Applications by SAMSUNG SDI CO., LTD.
Inventor(s): Eun Kang LEE of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): B05D7/00, F26B3/20, H01M4/04
CPC Code(s): B05D7/544
Abstract: an electrode manufacturing apparatus and an electrode manufacturing method, the apparatus includes a first coater configured to coat a first surface of a current collector with an electrode active material slurry; and a first dryer configured to come into contact with the current collector that has passed through the first coater and heat the current collector.
Inventor(s): Seung HAN of Suwon-si KR for samsung sdi co., ltd., Hyungrang MOON of Suwon-si KR for samsung sdi co., ltd., Taeho KIM of Suwon-si KR for samsung sdi co., ltd., Jongpil HO of Suwon-si KR for samsung sdi co., ltd., Jin-Hee BAE of Suwon-si KR for samsung sdi co., ltd., Miyeon HAN of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): G03F7/16, C07C49/12, C07C49/76, G03F7/004
CPC Code(s): G03F7/168
Abstract: provided are a composition selected from a composition for removing edge beads from metal-containing resists and a developer composition of metal-containing resists, and a method of forming patterns using the same, the composition includes a compound including at least two ketone groups; and an organic solvent including at least one selected from an acetate-based solvent and an alcohol-based solvent, wherein the compound including at least two ketone groups is included in an amount of about 10 to about 70 wt % based on the total weight of the composition, and the organic solvent is included in an amount of about 30 to about 90 wt % based on a total weight of the composition.
Inventor(s): Seong Ho WOO of Yongin-si KR for samsung sdi co., ltd., Dae Sik Kim of Yongin-si KR for samsung sdi co., ltd., Sung Kook Lee of Yongin-si KR for samsung sdi co., ltd., Ji Young Kim of Yongin-si KR for samsung sdi co., ltd., Bo Ram Lee of Yongin-si KR for samsung sdi co., ltd., Hyun-Wook Lee of Ulsan KR for samsung sdi co., ltd., Changhyun Park of Ulsan KR for samsung sdi co., ltd., Ukhyun Jung of Ulsan KR for samsung sdi co., ltd.
IPC Code(s): G06T7/00, G01N23/046, G06T7/73
CPC Code(s): G06T7/001
Abstract: a method and device for analyzing deformation of a secondary battery having an electrode assembly with a tab received in a case, the deformation analysis method including obtaining a first image by performing computed tomography (ct) imaging on the secondary battery, calculating a first position of the tab from the first image, obtaining a number of charge and discharge cycles of the secondary battery after charging and discharging the secondary battery multiple times so that the secondary battery deteriorates, obtaining a second image by performing ct imaging on the secondary battery deteriorated, calculating a second position of the tab from the second image and determining that the electrode assembly is deformed if an amount of change between the first position and the second position is greater than a reference value.
Inventor(s): Kiyong AHN of Yongin-si KR for samsung sdi co., ltd., Taehee KWAK of Yongin-si KR for samsung sdi co., ltd., Jeuk HA of Yongin-si KR for samsung sdi co., ltd., Seonyoung KWON of Yongin-si KR for samsung sdi co., ltd., Yumi SONG of Yongin-si KR for samsung sdi co., ltd., Eunok OH of Yongin-si KR for samsung sdi co., ltd., Soonrewl LEE of Yongin-si KR for samsung sdi co., ltd., Naoyuki HASE of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, C01G53/42, H01M4/02, H01M4/525, H01M10/0525
CPC Code(s): H01M4/364
Abstract: a positive electrode for a rechargeable lithium battery includes a positive active material including small particle diameter monolith particles having a particle diameter of about 1 �m to about 8 �m and including a first nickel-based lithium metal oxide, and large particle diameter secondary particles having a particle diameter of about 10 �m to about 20 �m and including a second nickel-based lithium metal oxide. an x-ray diffraction peak intensity ratio (i(003)/i(104)) of the positive electrode is greater than or equal to about 3. a rechargeable lithium battery includes the positive electrode.
20250125340. ALL-SOLID-STATE SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Inhyuk Son of Yongin-si KR for samsung sdi co., ltd., Sungnim Jo of Yongin-si KR for samsung sdi co., ltd., Kyueun Shim of Yongin-si KR for samsung sdi co., ltd., Hyungsub Lim of Yongin-si KR for samsung sdi co., ltd., Taehyun Park of Yongin-si KR for samsung sdi co., ltd., Jieun Lee of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/136, H01M4/38, H01M4/58, H01M4/62, H01M4/66, H01M10/0562
CPC Code(s): H01M4/366
Abstract: an all-solid-state secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on at least one side of the cathode current collector, the anode layer includes an anode current collector and a first anode active material layer on at least one side of the anode current collector, the first anode active material layer includes an anode active material capable of forming an alloy or compound with lithium, a fibrous carbon-based material, and a binder, a ratio (b/a) of an initial charge capacity (b) of the first anode active material layer to an initial charge capacity (a) of the cathode active material layer is about 0.01 to about 0.75.
Inventor(s): Seyoung OH of Yongin-si KR for samsung sdi co., ltd., Sang-Min LEE of Pohang-si KR for samsung sdi co., ltd., Hwijoo LEE of Pohang-si KR for samsung sdi co., ltd., Ilyoung CHOI of Yongin-si KR for samsung sdi co., ltd., Deok-Hyun KIM of Yongin-si KR for samsung sdi co., ltd., Youngugk KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/48, H01M4/583, H01M4/60, H01M10/0525
CPC Code(s): H01M4/366
Abstract: a negative electrode active material and a rechargeable lithium battery including the negative electrode active material, the negative electrode active material includes a core including a carbon material; vanadium oxide on a surface of the core; and a fluorine (f)-containing carbon layer on the surface of the core and on a surface of the vanadium oxide.
Inventor(s): Hiroshi KIMURA of Yokohama-shi JP for samsung sdi co., ltd., Satoshi FUJIKI of Yokohama-shi JP for samsung sdi co., ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M4/1391, H01M10/0562
CPC Code(s): H01M4/525
Abstract: provided is a positive electrode for a solid-state secondary battery, which suppresses the internal resistance of a battery while causing a solid-state secondary battery to have a sufficiently high energy density, and thus satisfies high levels with respect to both capacity and output.
Inventor(s): Hiroshi KIMURA of Yokohama-shi JP for samsung sdi co., ltd., Satoshi FUJIKI of Yokohama-shi JP for samsung sdi co., ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M4/1391, H01M10/0562
CPC Code(s): H01M4/525
Abstract: the positive electrode for a solid-state secondary battery includes a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer includes a positive electrode active material, a solid electrolyte, a binder, and a conductive auxiliary agent, an amount of the positive electrode active material based on 100 wt % of the positive electrode active material layer is greater than or equal to 85 wt % and less than or equal to 92 wt %, an amount of the solid electrolyte based on 100 wt % of the positive electrode active material layer is greater than or equal to 7 wt % and less than or equal to 15 wt %, when the amount of the positive electrode active material in the positive electrode active material layer is 100 wt %, an amount of the binder in the positive electrode active material layer is greater than or equal to 0.1 wt % and less than or equal to 1.0 wt %, when the amount of the solid electrolyte in the positive electrode active material layer is 100 wt %, an amount of the conductive auxiliary agent in the positive electrode active material layer is greater than or equal to 0.1 wt % and less than or equal to 10 wt %.
Inventor(s): Ilyoung CHOI of Yongin-si KR for samsung sdi co., ltd., Soonbong Choi of Yongin-si KR for samsung sdi co., ltd., Joogho MOON of Yongin-si KR for samsung sdi co., ltd., Hee Seon CHOI of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/583, H01M4/02, H01M4/38, H01M10/052, H01M10/44
CPC Code(s): H01M4/583
Abstract: a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a rod-shaped crystalline carbon; and a silicon-carbon composite.
Inventor(s): Jinkyu KIM of Yongin-si KR for samsung sdi co., ltd., Jinhoon YANG of Yongin-si KR for samsung sdi co., ltd., Byeonggyu CHO of Yongin-si KR for samsung sdi co., ltd., Yunchae JUNG of Yongin-si KR for samsung sdi co., ltd., Yoonchang KIM of Yongin-si KR for samsung sdi co., ltd., Sangil HAN of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/587, H01M4/36, H01M10/0562
CPC Code(s): H01M4/587
Abstract: an anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof.
Inventor(s): Minjun KIM of Yongin-si KR for samsung sdi co., ltd., Minyoung HONG of Yongin-si KR for samsung sdi co., ltd., Hoyong AN of Yongin-si KR for samsung sdi co., ltd., Beom Kwon KIM of Yongin-si KR for samsung sdi co., ltd., Gurnyoung JO of Yongin-si KR for samsung sdi co., ltd., Soochan KIM of Yongin-si KR for samsung sdi co., ltd., Hyeseung JUNG of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/133, H01M4/587, H01M10/052
CPC Code(s): H01M4/62
Abstract: disclosed are a negative active material for a rechargeable lithium battery, a negative electrode including the negative active material, and a rechargeable lithium battery including the same. the negative active material includes crystalline carbon, wherein the crystalline carbon has a raman spectrum peak intensity ratio (i/i) of a peak intensity (i) of a d peak (about 1360 cmto about 1370 cm) relative to a peak intensity (i) of a g peak (about 1580 cmto about 1590 cm) of less than about 0.05.
Inventor(s): Yun Shik CHO of Suwon-si KR for samsung sdi co., ltd., Kuk Joo LEE of Suwon-si KR for samsung sdi co., ltd., Kyung Hwa JUNG of Suwon-si KR for samsung sdi co., ltd., Je Won CHOI of Suwon-si KR for samsung sdi co., ltd., Su Jin PARK of Suwon-si KR for samsung sdi co., ltd., Min Ho CHO of Suwon-si KR for samsung sdi co., ltd., Fukatani TOMOYUKI of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M10/0525
CPC Code(s): H01M4/622
Abstract: a binder for a negative electrode of a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the same are provided. the binder includes a copolymer constructed from a unit derived from an aromatic vinyl-based monomer, a unit derived from a (meth)acrylic ester-based monomer, and a unit derived from a triene-based monomer.
Inventor(s): Kuk Joo LEE of Gyeonggi-do KR for samsung sdi co., ltd., Je Won CHOI of Gyeonggi-do KR for samsung sdi co., ltd., Yun Shik CHO of Gyeonggi-do KR for samsung sdi co., ltd., Kyung Hwa JUNG of Gyeonggi-do KR for samsung sdi co., ltd., Min Ho CHO of Gyeonggi-do KR for samsung sdi co., ltd., Su Jin PARK of Gyeonggi-do KR for samsung sdi co., ltd.
IPC Code(s): H01M4/62, C08F220/06, H01M10/0525
CPC Code(s): H01M4/622
Abstract: a binder for rechargeable lithium batteries and a rechargeable lithium battery including the binder are disclosed. the binder for rechargeable lithium batteries includes a unit derived from a (meth)acrylic monomer containing a carboxylic acid group or a carboxylic acid metal salt as a first monomer; a unit derived from a (meth)acrylic monomer containing an amide group or a nitrile group as a second monomer; and a unit derived from a zwitterionic vinyl or (meth)acrylic monomer as a third monomer.
20250125371. All-SOLID-STATE SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Toshinori Sugimoto of Suwon-si KR for samsung sdi co., ltd., Saebom Ryu of Suwon-si KR for samsung sdi co., ltd., Junhwan Ku of Suwon-si KR for samsung sdi co., ltd., Youngeal Kim of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/04, H01M4/134, H01M10/0525
CPC Code(s): H01M4/625
Abstract: an all-solid-state secondary battery includes: a cathode layer including a cathode active material, an anode layer including an anode current collector and an anode active material layer disposed on the anode current collector, the anode active material layer including an anode active material and amorphous carbon, and a solid electrolyte layer disposed between the cathode active material layer and the anode active material layer, wherein a weight ratio of the anode active material to the amorphous carbon is 1:3 to 1:1, and the anode layer has sheet resistance of about 0.5 milliohms-centimeters or less.
Inventor(s): Gunwook LEE of Yongin-si KR for samsung sdi co., ltd., Kyusung Park of Yongin-si KR for samsung sdi co., ltd., Myoungki Min of Yongin-si KR for samsung sdi co., ltd., Eungyeong Lee of Yongin-si KR for samsung sdi co., ltd., Jaemin Kim of Yongin-si KR for samsung sdi co., ltd., Sieun Lee of Yongin-si KR for samsung sdi co., ltd., Inhyuk Son of Yongin-si KR for samsung sdi co., ltd., Sungnim Jo of Yongin-si KR for samsung sdi co., ltd., Kyueun Shim of Yongin-si KR for samsung sdi co., ltd., Hyungsub Lim of Yongin-si KR for samsung sdi co., ltd., Taehyun Park of Yongin-si KR for samsung sdi co., ltd., Jieun Lee of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/056, H01M4/02, H01M4/134, H01M4/62
CPC Code(s): H01M10/056
Abstract: a solid electrolyte for an all solid-state battery and an all solid-state battery including the solid electrolyte for an all solid-state battery, the solid electrolyte for an all solid-state battery includes an argyrodite-type compound; a sulfur-containing compound; and an iodine-containing compound, and the all solid-state battery includes a negative electrode; a positive electrode; and a solid electrolyte layer between the positive electrode and the negative electrode.
Inventor(s): Kun Hee LEE of Suwon-si KR for samsung sdi co., ltd., Dae Sung LEE of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/42, G01R31/367, G01R31/392, G01R31/396, H01M10/48, H01M50/209
CPC Code(s): H01M10/4285
Abstract: an apparatus for predicting damage to a battery cell includes a battery module including a plurality of battery cells; a voltage sensor configured to measure a voltage of the battery cell; a temperature sensor configured to measure a temperature of the battery cell; a contactor configured to selectively connect or disconnect the battery module; and a processor configured to, in response to at least one of the voltage and the temperature being within a cell damage range for the battery cell, control the contactor to disconnect the battery module and calculate a weighting to determine a degree of damage to the battery cell based on the at least one of the voltage and the temperature.
Inventor(s): Seong Ho WOO of Yongin-si KR for samsung sdi co., ltd., Dae Sik KIM of Yongin-si KR for samsung sdi co., ltd., Sung Kook LEE of Yongin-si KR for samsung sdi co., ltd., Ji Young KIM of Yongin-si KR for samsung sdi co., ltd., Bo Ram LEE of Yongin-si KR for samsung sdi co., ltd., Hyun-Wook LEE of Ulsan KR for samsung sdi co., ltd., Changhyun PARK of Ulsan KR for samsung sdi co., ltd., Ukhyun JUNG of Ulsan KR for samsung sdi co., ltd.
IPC Code(s): H01M10/42, G01N23/046, G06T7/00, G06T7/62, H01M10/0587, H01M10/44
CPC Code(s): H01M10/4285
Abstract: a method for analyzing deformation of a secondary battery having an electrode assembly received in a case, the method including obtaining a first image by performing computed tomography (ct) imaging on the secondary battery, calculating a first summation value of long and short diameters of the case from the first image, obtaining multiple charge and discharge cycles of the secondary battery after charging and discharging the secondary battery multiple times so that the secondary battery deteriorates, obtaining a second image by performing ct imaging on the deteriorated secondary battery, calculating a second summation value of the long and short diameters of the case from the second image and determining that the electrode assembly is deformed if a value obtained by subtracting the first summation value from the second summation value is greater than a reference value.
20250125478. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Joong Woo NAM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/317
CPC Code(s): H01M50/317
Abstract: the present disclosure relates to a secondary battery which a vent portion can be reused. the secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly and including at least one open side; a cap plate sealing the open side of the and including a vent hole; and a safety vent on the cap plate. the safety vent is configured to move between a closed position closing the vent hole and an open position opening the vent hole, and the safety vent has a magnetic force biasing the safety vent into the closed position.
Inventor(s): Seon Yeong KANG of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/383, H01M50/209, H01M50/489
CPC Code(s): H01M50/383
Abstract: a battery cell includes: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate; a case accommodating the electrode assembly; a cap plate sealing an opening in the case; an electrode terminal electrically connected to the electrode assembly and protruding outside of the cap plate; and an extinguishing sheet inside the case and configured to impede propagation of fire.
Inventor(s): Hyeoncheol Jeong of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H02J7/00, H01M10/42
CPC Code(s): H02J7/00304
Abstract: a battery pack includes battery cells between first and second pack terminals, balancing resistors respectively connected to the battery cells, balancing switches respectively connected to the battery cells and to the balancing resistors, and configured to form a closed circuit by connecting a corresponding one of the battery cells to a corresponding one of the balancing resistors, a rack fuse between the battery cells and the first pack terminal, or between the battery cells and the second pack terminal, a current sensor between the battery cells and the first pack terminal or the second pack terminal, and a controller configured to detect pack current between the first and second pack terminals through the current sensor, to control the balancing switches, and to detect a short-circuit between the first and second pack terminals based on the pack current and turn on all of the balancing switches.
SAMSUNG SDI CO., LTD. patent applications on April 17th, 2025
- SAMSUNG SDI CO., LTD.
- B05D7/00
- F26B3/20
- H01M4/04
- CPC B05D7/544
- Samsung sdi co., ltd.
- G03F7/16
- C07C49/12
- C07C49/76
- G03F7/004
- CPC G03F7/168
- G06T7/00
- G01N23/046
- G06T7/73
- CPC G06T7/001
- H01M4/36
- C01G53/42
- H01M4/02
- H01M4/525
- H01M10/0525
- CPC H01M4/364
- H01M4/136
- H01M4/38
- H01M4/58
- H01M4/62
- H01M4/66
- H01M10/0562
- CPC H01M4/366
- H01M4/48
- H01M4/583
- H01M4/60
- H01M4/1391
- CPC H01M4/525
- H01M10/052
- H01M10/44
- CPC H01M4/583
- H01M4/587
- CPC H01M4/587
- H01M4/133
- CPC H01M4/62
- CPC H01M4/622
- C08F220/06
- H01M4/134
- CPC H01M4/625
- H01M10/056
- CPC H01M10/056
- H01M10/42
- G01R31/367
- G01R31/392
- G01R31/396
- H01M10/48
- H01M50/209
- CPC H01M10/4285
- G06T7/62
- H01M10/0587
- H01M50/317
- CPC H01M50/317
- H01M50/383
- H01M50/489
- CPC H01M50/383
- H02J7/00
- CPC H02J7/00304