Samsung SDI Co.,Ltd. patent applications on April 24th, 2025
Patent Applications by Samsung SDI Co.,Ltd. on April 24th, 2025
Samsung SDI Co.,Ltd.: 29 patent applications
Samsung SDI Co.,Ltd. has applied for patents in the areas of H01M4/02 (8), H01M4/04 (6), H01M4/62 (5), H01M10/0562 (5), H01M10/0525 (4) H01M10/0562 (4), H01M50/636 (2), B26F1/12 (2), H01M50/242 (2), B21B37/165 (1)
With keywords such as: battery, portion, layer, including, material, electrode, anode, secondary, active, and electrolyte in patent application abstracts.
Patent Applications by Samsung SDI Co.,Ltd.
Inventor(s): Gisung KIM of Yongin-si KR for samsung sdi co.,ltd., Wonsub SEO of Yongin-si KR for samsung sdi co.,ltd., Dongsub LEE of Yongin-si KR for samsung sdi co.,ltd., Young-Hak PYO of Young-Hak KR for samsung sdi co.,ltd., Jin Seo PARK of Yongin-si KR for samsung sdi co.,ltd., Kyungtaek CHOI of Yongin-si KR for samsung sdi co.,ltd., Joonkoo PARK of Yongin-si KR for samsung sdi co.,ltd., Sohun KIM of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): B21B37/16, H01M4/04
CPC Code(s): B21B37/165
Abstract: a method for controlling a sheet thickness in an electrode plate manufacturing process, which is performed by at least one processor, includes obtaining a thickness measured for each of a plurality of portions of a sheet rolled through a plurality of rollers, calculating, based on the obtained thickness for each of the plurality of portions, a dispersion for the sheet thickness, determining, based on the calculated dispersion, movement information of at least one target roller from the plurality of rollers, and controlling the at least one target roller to be moved based on the determined movement information.
Inventor(s): Tae-Hwan BAE of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): B21D28/34, H01M4/04
CPC Code(s): B21D28/34
Abstract: a blanking device for a secondary battery electrode plate, including a first mold including a die and a first stripper, the die surrounding the first stripper and having a structure with one open side portion, and the first stripper having a structure with one open side portion aligned with the one open side portion of the die, and a second mold facing the first mold, the second mold including a punch and a second stripper, and the first mold being moveable toward the second mold.
Inventor(s): Daewook KI of Yongin-si KR for samsung sdi co.,ltd., Hobin IM of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): B23Q3/08, H01M10/04
CPC Code(s): B23Q3/088
Abstract: a separator clamping device includes a body portion including a vacuum passage, the vacuum passage being connected to a vacuum device, a first separator fixing portion on an upper surface of the body portion, the first separator fixing portion being connected to the vacuum passage and being configured to fix a separator onto the upper surface of the body portion by a vacuum suction, and a second separator fixing portion on a side surface of the body portion, the second separator fixing portion being connected to the vacuum passage and being configured to fix the separator onto the side surface of the body portion by a vacuum suction.
Inventor(s): Hyeong Min JI of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): B26F1/12, H01M4/04
CPC Code(s): B26F1/12
Abstract: a secondary battery electrode notching apparatus, including a die configured to support a secondary battery electrode including a composite portion coated with an electrode active material and an uncoated portion not coated with the electrode active material; a composite portion stripper configured to move toward the die and press the composite portion into close contact with the die; an uncoated portion stripper configured to move toward the die, press the uncoated portion into close contact with the die, and including an elastic pad formed of an elastic material and configured to elastically deform to make surface contact with the uncoated portion; and a punch configured to move toward the die and cut the uncoated portion so that scrap for disposal is formed from the uncoated portion.
20250128446. NOTCHING APPARATUS FOR SECONDARY BATTERY_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Young Jin JANG of Suwon-si KR for samsung sdi co.,ltd., Jung Hun CHOI of Suwon-si KR for samsung sdi co.,ltd., Jin Hong LEE of Suwon-si KR for samsung sdi co.,ltd., Sung Jin KWON of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): B26F1/12, B26F1/14, H01M4/04
CPC Code(s): B26F1/12
Abstract: a notching apparatus for a secondary battery includes a lower body configured to support an electrode plate which includes a first area coated with an active material and a second area not coated with the active material, the electrode plate to be transferred in a first direction, an upper body configured to vertically move above the lower body, a die on the lower body and arranged to face the second area, a punch hole passing through the die and including a first punch hole, a second punch hole, and a third punch hole sequentially arranged in the first direction, and a punch on the upper body, insertable into the punch hole as the upper body moves downward, and configured to cut the second area.
Inventor(s): Eunsu LEE of Suwon-si KR for samsung sdi co.,ltd., Jaeyeol BAEK of Suwon-si KR for samsung sdi co.,ltd., Byeonggyu HWANG of Suwon-si KR for samsung sdi co.,ltd., Hwayoung JIN of Suwon-si KR for samsung sdi co.,ltd., Soojeung KIM of Suwon-si KR for samsung sdi co.,ltd., Seongjin KIM of Suwon-si KR for samsung sdi co.,ltd., Ahra CHO of Suwon-si KR for samsung sdi co.,ltd., Yoojeong CHOI of Suwon-si KR for samsung sdi co.,ltd., Sungwoo JUNG of Suwon-si KR for samsung sdi co.,ltd., Changmo LIM of Suwon-si KR for samsung sdi co.,ltd., Soonhyung KWON of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): G03F7/038, C08F226/06, G03F7/16
CPC Code(s): G03F7/0388
Abstract: disclosed are a resist underlayer composition, and a method of forming a pattern using the resist underlayer composition. the resist underlayer composition includes a polymer including a structural unit represented by chemical formula 1, a structural unit represented by chemical formula 2, a structural unit represented by chemical formula 3, or a combination thereof, a compound represented by one or more selected from chemical formula 4 to chemical formula 6, and a solvent. the definitions of chemical formula 1 to chemical formula 6 are as described in the specification.
Inventor(s): Eunsu LEE of Suwon-si KR for samsung sdi co.,ltd., Jaeyeol BAEK of Suwon-si KR for samsung sdi co.,ltd., Byeonggyu HWANG of Suwon-si KR for samsung sdi co.,ltd., Hwayoung JIN of Suwon-si KR for samsung sdi co.,ltd., Soojeung KIM of Suwon-si KR for samsung sdi co.,ltd., Seongjin KIM of Suwon-si KR for samsung sdi co.,ltd., Ahra CHO of Suwon-si KR for samsung sdi co.,ltd., Yoojeong CHOI of Suwon-si KR for samsung sdi co.,ltd., Sungwoo JUNG of Suwon-si KR for samsung sdi co.,ltd., Changmo LIM of Suwon-si KR for samsung sdi co.,ltd., Soonhyung KWON of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): G03F7/038, C08F226/06, G03F7/16
CPC Code(s): G03F7/0388
Abstract:
Inventor(s): Tae-Hwan BAE of Yongin-si KR for samsung sdi co.,ltd., Daewook KI of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M4/04
CPC Code(s): H01M4/0435
Abstract: an electrode plate manufacturing apparatus for a secondary battery includes a supply reel configured to supply a substrate, the substrate having a first surface that is uncoated and a second surface that is at least partially coated, and a patterner adjacent to the supply reel, the patterner including a polygon roller and a support roller facing each other, the patterner being configured to pattern the substrate passing between the polygon roller and the support roller, and the polygon roller including convex curved portions that extend in an axial direction of the polygon roller and that are arranged in a circumferential direction of the polygon roller.
20250132309. ALL-SOLID 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, H01M4/38, H01M4/48, H01M4/583, H01M4/66, H01M10/0565
CPC Code(s): H01M4/364
Abstract: disclosed is an all-solid secondary battery including a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, the cathode layer including a cathode current collector and a cathode active material layer on one surface of the cathode current collector, the anode layer including an anode current collector and a first anode active material layer on one surface of the anode current collector, the first anode active material layer including a first anode active material and a second anode active material, and the first anode active material including a first composite anode active material, wherein the first composite anode active material includes a first metal oxide represented by mo(0<a≤3 and 0<b<4, wherein if a is 1, 2, or 3, b is not an integer) and a carbon-based material, the first metal oxide is provided within a matrix of the carbon-based material.
Inventor(s): Eunji KANG of Yongin-si KR for samsung sdi co.,ltd., Youngugk KIM of Yongin-si KR for samsung sdi co.,ltd., Deok-Hyun KIM of Yongin-si KR for samsung sdi co.,ltd., Sunil PARK of Yongin-si KR for samsung sdi co.,ltd., Ilyoung CHOI of Yongin-si KR for samsung sdi co.,ltd., Jaewon KIM of Yongin-si KR for samsung sdi co.,ltd., Hyejin KIM of Yongin-si KR for samsung sdi co.,ltd., Doori OH of Yongin-si KR for samsung sdi co.,ltd., Narae KIM of Yongin-si KR for samsung sdi co.,ltd., Yookyung KIM of Yongin-si KR for samsung sdi co.,ltd., Banseok LEE of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M4/36, H01M4/133, H01M4/587, H01M10/052
CPC Code(s): H01M4/366
Abstract: a negative electrode active material includes a core including secondary particles in which silicon primary particles and a metal carbide are agglomerated; and an amorphous carbon layer on a surface of the core, wherein the primary particles have a full width at half maximum (fwhm, 111) of greater than about 0.5�.
Inventor(s): Kiyong Ahn of Yongin-si KR for samsung sdi co.,ltd., Taehee Kwak of Yongin-si KR for samsung sdi co.,ltd., Minkyu Kim of Yongin-si KR for samsung sdi co.,ltd., Naoyuki Hase 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.
IPC Code(s): H01M4/525, H01M4/02, H01M10/0525
CPC Code(s): H01M4/525
Abstract: a nickel-based active material, a positive electrode including the same, and a lithium secondary battery including the positive electrode, a negative electrode, and an electrolyte between the positive electrode and the negative electrode are provided. the nickel-based active material includes 80 mol % or more of nickel with respect to the metal elements excluding lithium, and the nickel-based active material includes: i) large secondary particles having a size in a range of 10 �m to 20 �m and including aggregates of primary particles having a size of 1 �m or less; ii) large crystal particles including primary particles having a size in a range of 1 �m to 5 �m; and iii) small secondary particles having a size in a range of 1 �m to 7 �m and including aggregates of primary particles having a size of 1 �m or less.
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): H01M4/58, H01M4/02, H01M4/133, H01M4/136, H01M4/36, H01M4/38, H01M4/583, H01M4/66, H01M10/052, H01M10/0562, H01M10/0565
CPC Code(s): H01M4/5815
Abstract: a lithium secondary battery including a cathode. the cathode includes a cathode current collector and a cathode active material layer on one or both sides of the cathode current collector and including a cathode active material, a gamma sulfur-fibrous carbon-based material composite, and a sulfide-based solid electrolyte, wherein the cathode active material includes lis, a lis composite, or a combination thereof, and the gamma sulfur-fibrous carbon-based material composite has a structure in which monoclinic gamma phase sulfur (s) is on a fibrous carbon-based material.
20250132335. ANODE AND LITHIUM BATTERY INCLUDING THE SAME_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Kanghee Lee of Yongin-si KR for samsung sdi co.,ltd., Byeongdo Kwak of Yongin-si KR for samsung sdi co.,ltd., Hyunsik Woo of Yongin-si KR for samsung sdi co.,ltd., Kyunghwa Jung of Yongin-si KR for samsung sdi co.,ltd., Jongseok Moon of Yongin-si KR for samsung sdi co.,ltd., Woojin Bae of Yongin-si KR for samsung sdi co.,ltd., Heemin Kim of Yongin-si KR for samsung sdi co.,ltd., Jongseok Park of Yongin-si KR for samsung sdi co.,ltd., Juhun Shin of Yongin-si KR for samsung sdi co.,ltd., Donggi Hong of Yongin-si KR for samsung sdi co.,ltd., Sujin Pyo of Yongin-si KR for samsung sdi co.,ltd., Jinhwan Park of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M4/587, H01M4/02, H01M4/62, H01M10/0525
CPC Code(s): H01M4/587
Abstract: an anode and a lithium battery including the same, wherein the anode includes an anode current collector, an electrodeposition induction layer on the anode current collector and including a first carbon-based material, and a protective layer on the electrodeposition induction layer, wherein the first carbon-based material is amorphous carbon including a nitrogen element, and a content of the nitrogen element is more than or equal to about 1 wt % with respect to the total weight of the electrodeposition induction layer.
20250132342. ALL-SOLID-STATE RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Satoshi FUJIKI of Yongin-si KR for samsung sdi co.,ltd., Hiroe Ishihara of Yongin-si KR for samsung sdi co.,ltd., Yuichi Aihara of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/133, H01M10/0525
CPC Code(s): H01M4/622
Abstract: an all-solid-state rechargeable battery including a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a plate-shaped positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector, the positive electrode layer includes an endothermic material that absorbs heat by a decomposition reaction, and a content of the endothermic material in the positive electrode layer is greater than or equal to about 1 part by weight and less than or equal to about 30 parts by weight, based on 100 parts by weight of the positive electrode active material layer.
20250132378. ALL-SOLID 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): H01M10/0562, H01M4/02, H01M4/133, H01M4/136, H01M4/36, H01M4/38, H01M4/58, H01M4/583, H01M4/62, H01M10/0565
CPC Code(s): H01M10/0562
Abstract: an all-solid secondary battery including a cathode layer, an anode layer, and an 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 one surface of the cathode current collector, the anode layer includes an anode current collector and a first anode active material layer on one surface of the anode current collector, the first anode active material layer includes a composite anode active material, the composite anode active material includes a first metal oxide represented by mo(0<a≤3 and 0<b<4, wherein if a is 1, 2, or 3, b is not an integer) and a carbon-based material, the first metal oxide is within a matrix of the carbon-based material, and m is one or more metals selected from metals in groups 2 to 12 and 14 to 16.
Inventor(s): Suk-Gi HONG of Yongin-si KR for samsung sdi co.,ltd., Myeongiu HA of Yongin-si KR for samsung sdi co.,ltd., Hwichul YANG of Yongin-si KR for samsung sdi co.,ltd., Pilsang YUN of Yongin-si KR for samsung sdi co.,ltd., Hyunbeom KIM of Yongin-si KR for samsung sdi co.,ltd., Young Gyoon RYU of Yongin-si KR for samsung sdi co.,ltd., Kyusung PARK of Yongin-si KR for samsung sdi co.,ltd., Yongjun JANG of Seongnam-si KR for samsung sdi co.,ltd., Sunho CHOI of Hwaseong-si KR for samsung sdi co.,ltd., Sungman CHO of Gwacheon-si KR for samsung sdi co.,ltd., Seonghyeon CHOI of Seongnam-si KR for samsung sdi co.,ltd., Yonggu KIM of Suwon-si KR for samsung sdi co.,ltd., Saheum KIM of Seoul KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/04, H01M4/62
CPC Code(s): H01M10/0562
Abstract: a solid electrolyte, a positive electrode, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; and a coating layer on a surface of the solid ion conductor particles, wherein the coating layer includes a compound represented by chemical formula 1 and a compound represented by chemical formula 2,
Inventor(s): Suk-Gi HONG of Yongin-si KR for samsung sdi co.,ltd., Myeongiu HA of Yongin-si KR for samsung sdi co.,ltd., Hwichul YANG of Yongin-si KR for samsung sdi co.,ltd., Pilsang YUN of Yongin-si KR for samsung sdi co.,ltd., Hyunbeom KIM of Yongin-si KR for samsung sdi co.,ltd., Young Gyoon RYU of Yongin-si KR for samsung sdi co.,ltd., Kyusung PARK of Yongin-si KR for samsung sdi co.,ltd., Yongjun JANG of Seongnam-si KR for samsung sdi co.,ltd., Sunho CHOI of Hwaseong-si KR for samsung sdi co.,ltd., Sungman CHO of Gwacheon-si KR for samsung sdi co.,ltd., Seonghyeon CHOI of Seongnam-si KR for samsung sdi co.,ltd., Yonggu KIM of Suwon-si KR for samsung sdi co.,ltd., Saheum KIM of Seoul KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/04, H01M4/62
CPC Code(s): H01M10/0562
Abstract:
limx [chemical formula 1]
Inventor(s): Suk-Gi HONG of Yongin-si KR for samsung sdi co.,ltd., Myeongiu HA of Yongin-si KR for samsung sdi co.,ltd., Hwichul YANG of Yongin-si KR for samsung sdi co.,ltd., Pilsang YUN of Yongin-si KR for samsung sdi co.,ltd., Hyunbeom KIM of Yongin-si KR for samsung sdi co.,ltd., Young Gyoon RYU of Yongin-si KR for samsung sdi co.,ltd., Kyusung PARK of Yongin-si KR for samsung sdi co.,ltd., Yongjun JANG of Seongnam-si KR for samsung sdi co.,ltd., Sunho CHOI of Hwaseong-si KR for samsung sdi co.,ltd., Sungman CHO of Gwacheon-si KR for samsung sdi co.,ltd., Seonghyeon CHOI of Seongnam-si KR for samsung sdi co.,ltd., Yonggu KIM of Suwon-si KR for samsung sdi co.,ltd., Saheum KIM of Seoul KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/04, H01M4/62
CPC Code(s): H01M10/0562
Abstract:
lix. [chemical formula 2]
Inventor(s): Suk-Gi HONG of Yongin-si KR for samsung sdi co.,ltd., Myeongju HA of Yongin-si KR for samsung sdi co.,ltd., Hwichul YANG of Yongin-si KR for samsung sdi co.,ltd., Pilsang YUN of Yongin-si KR for samsung sdi co.,ltd., Hyunbeom KIM of Yongin-si KR for samsung sdi co.,ltd., Young Gyoon RYU of Yongin-si KR for samsung sdi co.,ltd., Kyusung PARK of Yongin-si KR for samsung sdi co.,ltd., Yongjun JANG of Seongnam-si KR for samsung sdi co.,ltd., Sunho CHOI of Hwaseong-si KR for samsung sdi co.,ltd., Sungman CHO of Gwacheon-si KR for samsung sdi co.,ltd., Seonghyeon CHOI of Seongnam-si KR for samsung sdi co.,ltd., Yonggu KIM of Suwon-si KR for samsung sdi co.,ltd., Saheum KIM of Seoul KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562
CPC Code(s): H01M10/0562
Abstract: a solid electrolyte, a positive electrode including the same, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; a coating layer on the solid ion conductor particles, the coating layer including a compound represented by chemical formula 1; and a lithium-deficient layer at an interface between the solid ion conductor particles and the coating layer:
Inventor(s): Suk-Gi HONG of Yongin-si KR for samsung sdi co.,ltd., Myeongju HA of Yongin-si KR for samsung sdi co.,ltd., Hwichul YANG of Yongin-si KR for samsung sdi co.,ltd., Pilsang YUN of Yongin-si KR for samsung sdi co.,ltd., Hyunbeom KIM of Yongin-si KR for samsung sdi co.,ltd., Young Gyoon RYU of Yongin-si KR for samsung sdi co.,ltd., Kyusung PARK of Yongin-si KR for samsung sdi co.,ltd., Yongjun JANG of Seongnam-si KR for samsung sdi co.,ltd., Sunho CHOI of Hwaseong-si KR for samsung sdi co.,ltd., Sungman CHO of Gwacheon-si KR for samsung sdi co.,ltd., Seonghyeon CHOI of Seongnam-si KR for samsung sdi co.,ltd., Yonggu KIM of Suwon-si KR for samsung sdi co.,ltd., Saheum KIM of Seoul KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562
CPC Code(s): H01M10/0562
Abstract:
limx. [chemical formula 1]
Inventor(s): Junhwan KU of Seongnam-si KR for samsung sdi co.,ltd., Toshinori SUGIMOTO of Hwaseong-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0562, H01M4/40, H01M4/505, H01M4/525, H01M4/62, H01M4/66
CPC Code(s): H01M10/0562
Abstract: an all-solid secondary battery includes a solid electrolyte layer disposed between an anode layer and a cathode layer, where the solid electrolyte layer contains a first solid electrolyte layer including a first solid electrolyte and a second electrolyte layer including a second solid electrolyte, where the first solid electrolyte is disposed proximate to the anode layer, the second solid electrolyte layer is disposed proximate to the cathode layer, and the first solid electrolyte has a lithium ion conductivity greater than a lithium ion conductivity of the second solid electrolyte, where a difference between the lithium ion conductivity of the first solid electrolyte and the lithium ion conductivity of the second solid electrolyte is equal to or greater than about 2 ms/cm.
Inventor(s): Taejin Lee of Yongin-si KR for samsung sdi co.,ltd., Dahyun KIM of Yongin-si KR for samsung sdi co.,ltd., Minseo Kim of Yongin-si KR for samsung sdi co.,ltd., Myungheui Woo of Yongin-si KR for samsung sdi co.,ltd., Sanghoon Kim of Yongin-si KR for samsung sdi co.,ltd., Sanghyung Kim of Yongin-si KR for samsung sdi co.,ltd., Hyejin Park of Yongin-si KR for samsung sdi co.,ltd., Bokyung Ryu of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/0567, H01M4/525, H01M10/0525
CPC Code(s): H01M10/0567
Abstract: an electrolyte for a lithium secondary battery and a lithium secondary battery are disclosed. the electrolyte for a lithium secondary battery includes: a lithium salt; an organic solvent; and an additive, wherein the additive includes a compound represented by formula 1.
Inventor(s): INYEONG KANG of Yongin-si KR for samsung sdi co.,ltd., Wonseok Cho of Yongin-si KR for samsung sdi co.,ltd., Yun Jeong Choe of Yongin-si KR for samsung sdi co.,ltd., Bongjin Moon of Goyang-si KR for samsung sdi co.,ltd., Minyoung KIM of Seoul KR for samsung sdi co.,ltd., Hyelin JEON of Hwaseong-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/42, C07C247/18, C07C323/52, H01M10/052, H01M10/056
CPC Code(s): H01M10/4235
Abstract: an additive for a rechargeable lithium battery, an electrolyte layer for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the additive, the additive being represented by chemical formula 1:
Inventor(s): INYEONG KANG of Yongin-si KR for samsung sdi co.,ltd., Wonseok Cho of Yongin-si KR for samsung sdi co.,ltd., Yun Jeong Choe of Yongin-si KR for samsung sdi co.,ltd., Bongjin Moon of Goyang-si KR for samsung sdi co.,ltd., Minyoung KIM of Seoul KR for samsung sdi co.,ltd., Hyelin JEON of Hwaseong-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/42, C07C247/18, C07C323/52, H01M10/052, H01M10/056
CPC Code(s): H01M10/4235
Abstract:
Inventor(s): Jaeyong Cho of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M10/613, A62C3/16, A62C35/10, H01M10/6567, H01M50/209, H01M50/682
CPC Code(s): H01M10/613
Abstract: a battery pack includes a battery housing having a battery cell accommodating space portion accommodating a plurality of battery cells, a lower space portion under the battery cell accommodating space portion, and a battery cell base portion between the lower space portion and the battery cell accommodating space portion and supporting the plurality of battery cells. the battery cell base portion includes: a base melting portion configured to melt if an adjacent one of the battery cells is heated to a reference temperature or greater; and a base non-melting portion configured to not melt if the adjacent one of the battery cells is heated to the reference temperature or greater.
Inventor(s): Geun Ho Seo of Suwon-si KR for samsung sdi co.,ltd., Jeong Chull Ahn of Suwon-si KR for samsung sdi co.,ltd., Shin Jung Kim of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/119, C22C38/00, C22C38/12, H01M50/107, H01M50/124
CPC Code(s): H01M50/119
Abstract: a steel sheet for a battery case includes about 0.02 wt % to about 0.08 wt % carbon (c); about 0.01 wt % to about 0.1 wt % niobium (nb); and the balance of iron (fe). further aspects provide for a battery case manufactured from the steel sheet for a battery case and provided with an opening. further aspects provide for a cylindrical secondary battery comprising a cylindrical case manufactured from the steel sheet for a battery case, a cap assembly sealing the cylindrical case, and an electrode assembly disposed inside the cylindrical case.
Inventor(s): Seokgyun CHANG of Yongin-si KR for samsung sdi co.,ltd., Hanho LEE of Yongin-si KR for samsung sdi co.,ltd., Dongku OH of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/213, H01M4/02, H01M10/04, H01M10/42, H01M10/643, H01M50/503
CPC Code(s): H01M50/213
Abstract: a battery pack, a battery module including the battery pack, and a power supply device including the battery module. the battery pack includes: a type- battery cell; and a series of type- battery cells which have an output power and a capacity different from an output power and a capacity of the type- battery cell and are arranged along a circumference of the type- battery cell to surround the type- battery cell. the series of type- battery cells are connected in parallel to the type- battery cell. the battery pack is a high-power, high-capacity battery pack capable of instantaneously outputting high power without a decrease in lifespan for a long time.
Inventor(s): Michael ERHART of Seiersberg-Pirka AT for samsung sdi co.,ltd.
IPC Code(s): H01M50/242, H01M10/613, H01M10/6556, H01M50/249
CPC Code(s): H01M50/242
Abstract: a battery system includes: a battery pack including a housing and a plurality of battery cells accommodated within the housing; an underbody protection structure; a cooler connected to and arranged between the battery cells and the underbody protection structure; and a pressure detection device. the cooler includes a cooling channel and a pressure detection channel separated from the cooling channel, and both the cooling channel and the pressure detection channel being arranged inside the cooler. the pressure detection device includes a pressure sensor connected to the pressure detection channel and configured to detect an underbody contact or impact event by monitoring a pressure in the pressure detection channel.
20250132439. RECHARGEABLE BATTERY MODULE_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Myungchul KIM of Yongin-si KR for samsung sdi co.,ltd., Youngho CHOI of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/242, H01M10/658, H01M50/209, H01M50/293
CPC Code(s): H01M50/242
Abstract: an embodiment provides a rechargeable battery module comprising a stack including a plurality of battery cells arranged along a first direction, a plurality of insulating assemblies positioned between the battery cells, a side plate positioned at a first end portion of the stack along a first direction and a second end portion opposite to the first end portion to support the battery cells, and an end plate positioned at a third end portion of the stack and a fourth end portion opposite to the third end portion along a second direction crossing the first direction to support the battery cells. the stack is positioned in a space surrounded by the side plate and the end plate, and a distance between at least the outermost battery cell disposed on the periphery of the stack and the battery cell adjacent to the outermost battery cell among the battery cells is at least greater than a distance between battery cells positioned adjacent to the center of the stack.
20250132445. BATTERY MODULE_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Yu Sik HWANG of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/289, H01M50/204
CPC Code(s): H01M50/289
Abstract: a battery module includes a plurality of battery cells arranged along a first direction, a pair of first plates arranged to face the plurality of battery cells and parallel to the first direction, a pair of second plates arranged to face the plurality of battery cells and parallel to a second direction intersecting the first direction, a buffer member coupled between a first plate of the pair of first plates and a second plate of the pair of second plates and configured to move the second plate relative to the first plate in a direction parallel to the first direction when a battery cell of the plurality of battery cells explodes, and a holder connected to the buffer member and configured to selectively limit movement of the second plate relative to the first plate.
Inventor(s): Hyun KIM of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/333
CPC Code(s): H01M50/333
Abstract: a venting device includes a cover positioned at one side of a wall, the wall having a vent hole through which a gas is flowable, and the cover covering the vent hole, a connection pin connected to the cover, the connection pin being configured to pass through the wall, and a hook connected to the connection pin, the connection pin being between the hook and the cover, and the hook being configured to pass through the wall to be positioned at the other side of the wall and to anchor the cover and the connection pin to the wall.
Inventor(s): Jung Kyun JUNG of Suwon-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/636, H01M50/209, H01M50/244, H01M50/293
CPC Code(s): H01M50/636
Abstract: a battery cell carrier, a battery module, and a method of manufacturing a battery module are disclosed. a battery module includes: a plurality of battery cells arranged in a first direction; a battery cell carrier including a pair of side plates disposed to be spaced in a second direction orthogonal to the first direction for the plurality of battery cells to be interposed therebetween, the pair of side plates having a gap filler injection hole formed therein; and a side gap filler layer which is formed by a gap filler being injected between both side surfaces of the plurality of battery cells and the pair of side plates through the gap filler injection hole and which is configured to fix the plurality of battery cells to the battery cell carrier.
20250132476. RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co.,ltd.)
Inventor(s): Duseon PARK of Yongin-si KR for samsung sdi co.,ltd., Byeonggwan LEE of Yongin-si KR for samsung sdi co.,ltd., Duckhyun KIM of Yongin-si KR for samsung sdi co.,ltd., Woonsuk JANG of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H01M50/636, H01M50/103, H01M50/15, H01M50/176, H01M50/184, H01M50/186, H01M50/533
CPC Code(s): H01M50/636
Abstract: a rechargeable battery includes a prismatic can including a terminal hole, an electrode assembly accommodated in an internal space of the can and including a number of electrode tabs, a current collecting plate coupled to the electrode tabs, a rivet terminal coupled to the current collecting plate and extending into the terminal hole via an insulator to be installed on the can, and a sealing stopper coupled to the rivet terminal. the current collecting plate includes a plate-shaped portion and a tubular portion. the plate-shaped portion is coupled to the electrode tabs, and the liquid injection port is in the plate-shaped portion. the tubular portion surrounds the liquid injection port and is connected to one side of the plate portion. the rivet terminal is coupled to the tubular portion to contact an outer wall of the tubular portion, and the sealing stopper covers and seals the tubular portion.
Inventor(s): Taeheom Park of Yongin-si KR for samsung sdi co.,ltd.
IPC Code(s): H02J50/80, H02J50/10, H02J50/90
CPC Code(s): H02J50/80
Abstract: a system for identifying a secondary battery identifier (id) includes a secondary battery having a secondary battery magnet portion and a wireless charging device includes a wireless charging device magnet portion configured to charge the secondary battery. the wireless charging device magnet portion includes a polar arrangement corresponding to the secondary battery magnet portion to exert an attractive force between the wireless charging device magnet portion and the secondary battery magnet portion, the secondary battery magnet portion is placed at a position corresponding to the wireless charging device magnet portion, and the wireless charging device magnet portion comprises an id identifying unit configured to determine that the id of the secondary battery has been identified, if the secondary battery is charged. also disclosed is a corresponding method of identifying a secondary battery identifier (id).
Samsung SDI Co.,Ltd. patent applications on April 24th, 2025
- Samsung SDI Co.,Ltd.
- B21B37/16
- H01M4/04
- CPC B21B37/165
- Samsung sdi co.,ltd.
- B21D28/34
- CPC B21D28/34
- B23Q3/08
- H01M10/04
- CPC B23Q3/088
- B26F1/12
- CPC B26F1/12
- B26F1/14
- G03F7/038
- C08F226/06
- G03F7/16
- CPC G03F7/0388
- CPC H01M4/0435
- H01M4/36
- H01M4/02
- H01M4/38
- H01M4/48
- H01M4/583
- H01M4/66
- H01M10/0565
- CPC H01M4/364
- H01M4/133
- H01M4/587
- H01M10/052
- CPC H01M4/366
- H01M4/525
- H01M10/0525
- CPC H01M4/525
- H01M4/58
- H01M4/136
- H01M10/0562
- CPC H01M4/5815
- H01M4/62
- CPC H01M4/587
- CPC H01M4/622
- CPC H01M10/0562
- H01M4/40
- H01M4/505
- H01M10/0567
- CPC H01M10/0567
- H01M10/42
- C07C247/18
- C07C323/52
- H01M10/056
- CPC H01M10/4235
- H01M10/613
- A62C3/16
- A62C35/10
- H01M10/6567
- H01M50/209
- H01M50/682
- CPC H01M10/613
- H01M50/119
- C22C38/00
- C22C38/12
- H01M50/107
- H01M50/124
- CPC H01M50/119
- H01M50/213
- H01M10/643
- H01M50/503
- CPC H01M50/213
- H01M50/242
- H01M10/6556
- H01M50/249
- CPC H01M50/242
- H01M10/658
- H01M50/293
- H01M50/289
- H01M50/204
- CPC H01M50/289
- H01M50/333
- CPC H01M50/333
- H01M50/636
- H01M50/244
- CPC H01M50/636
- H01M50/103
- H01M50/15
- H01M50/176
- H01M50/184
- H01M50/186
- H01M50/533
- H02J50/80
- H02J50/10
- H02J50/90
- CPC H02J50/80