Patents by Inventor Sung-Jong Kim
Sung-Jong Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140106207Abstract: A swelling tape for filling a gap, a method of manufacturing the swelling tape for filling a gap, a method of filling a gap, an electrode assembly and a secondary battery are provided. For example, the swelling tape can be applied inside a gap in which a fluid exists so as to fill the gap by becoming a 3D form, and can be useful at anchoring a subject in which the gap is formed, as necessary.Type: ApplicationFiled: September 30, 2013Publication date: April 17, 2014Applicant: LG CHEM, LTD.Inventors: Se Ra Kim, Suk Ky Chang, Hyo Sook Joo, Yoon Tae Hwang, Se Woo Yang, Joon Hyung Kim, Sung Jong Kim
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Publication number: 20140072851Abstract: Disclosed is a secondary battery having a novel structure in which a jelly-roll type electrode assembly (“jelly-roll”) in which a cathode including a cathode active material coated portion on at least one surface of a cathode current collector, an anode including an anode active material coated portion on at least one surface of an anode current collector, and a separator disposed therebetween are wound and an electrolyte are accommodated in a battery case, and at least one of a cathode lead coupled to a cathode uncoated portion and an anode lead coupled to an anode uncoated portion includes a first metal layer used for coupling with an electrode uncoated portion and/or coupling with a battery case and a second metal layer having a relatively lower resistance than that of the first metal layer, wherein the first and second metal layers are coupled to each other.Type: ApplicationFiled: November 14, 2013Publication date: March 13, 2014Applicant: LG CHEM, LTD.Inventors: Kyung Su OH, Cha-Hun KU, Sung Jong KIM
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Patent number: 8663837Abstract: A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket.Type: GrantFiled: March 11, 2011Date of Patent: March 4, 2014Assignee: LG Chem, Ltd.Inventors: Kyung-Su Oh, Cha-Hun Ku, Yong-Su Choi, Sung-Jong Kim, Jung-Ah Lee, Jae-Dong Chang, Dong-Myung Kim, Jun-Yong Jeong, Sung-Min Hwang, Do-Gyun Kim, Sang-Bong Nam
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Publication number: 20130306221Abstract: A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary.Type: ApplicationFiled: July 24, 2013Publication date: November 21, 2013Applicant: LG CHEM, LTD.Inventors: Se Ra Kim, Suk Ky CHANG, Byung Kyu JUNG, Yoon Tae HWANG, Cha Hun KU, Sung Jong KIM, Se Woo YANG, Hyo Sook JOO, Min Soo PARK
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Publication number: 20130305526Abstract: A tape for fixing an electrode assembly and a method of manufacturing a battery are provided. The tape for fixing an electrode assembly can effectively fix an electrode assembly in a can by realizing a 3D shape by means of an electrolyte. Thus, the tape can be useful in preventing the electrode assembly from moving and rotating inside a can by external vibration or impact and also preventing damage of welded regions of a tab or disconnection of inner circuits.Type: ApplicationFiled: July 16, 2013Publication date: November 21, 2013Applicant: LG CHEM, LTD.Inventors: Sung Jong Kim, Byungkyu Jung, Cha-Hun Ku
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Publication number: 20130299064Abstract: A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary.Type: ApplicationFiled: July 19, 2013Publication date: November 14, 2013Applicant: LG CHEM, LTD.Inventors: Se Ra Kim, Suk Ky Chang, Sung Jong Kim, Byung Kyu Jung, Cha Hun Ku, Se Woo Yang, Hyo Sook Joo
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Publication number: 20130295442Abstract: Disclosed is a method for manufacturing a secondary battery, which may increase a capacity of the secondary battery and effectively prevent movement of an electrode assembly. The method manufactures a secondary battery having no beading portion at a battery can and includes preparing a battery can having an outer protrusion protruding outwards on the outer circumference thereof, inserting an electrode assembly into the battery can, and applying a pressure to the outer protrusion of the battery can toward the inside of the battery can so that an inner protrusion is formed on the inner circumference of the battery can.Type: ApplicationFiled: July 1, 2013Publication date: November 7, 2013Inventors: Sung-Jong KIM, Cha-Hun KU
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Publication number: 20130280570Abstract: An electrode assembly and a battery are provided. The electrode assembly may be effectively fixed inside a can as a pressure-sensitive adhesive tape attached to an outer circumferential surface of the electrode assembly is formed into a 3D shape by an electrolyte. Thus, the electrode assembly does not move and rotate inside the can due to external vibration or impact and damage of welded regions of a tab or disconnection of inner circuits can be prevented.Type: ApplicationFiled: July 11, 2013Publication date: October 24, 2013Inventors: Sung Jong KIM, Byungkyu JUNG, Cha-Hun KU
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Publication number: 20130273401Abstract: Provided is a cylindrical secondary battery, comprising an electrode assembly having a cathode plate, an anode plate, and a separator interposed therebetween; a case for receiving the electrode assembly; a cap assembly for sealing an open-end of the case; and a gasket interposed between the case and the cap assembly, wherein the gasket is made of a polymer resin having a melting point of 200° C. or higher and a hardness of 100D or less.Type: ApplicationFiled: June 14, 2013Publication date: October 17, 2013Inventors: Je-Jun LEE, Sung-Jong KIM, Cha-Hun KU
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Patent number: 8501333Abstract: A cap assembly for a secondary battery is coupled to an open end of a battery can receiving an electrode assembly in which a separator is interposed between cathode and anode plates, and includes a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal; a safety element disposed below the top cap to contact the top cap; a safety vent disposed to contact the safety element; a current intercepting member having an upper portion welded to a lower end of the safety vent and a lower portion capable of being connected to the electrode assembly; a first gasket surrounding an outer circumference of the current intercepting member; and a second gasket surrounding the rims of the top cap, the safety element, and the safety vent, and a lower end portion extending to surround the lower portion of the current intercepting member.Type: GrantFiled: November 9, 2011Date of Patent: August 6, 2013Assignee: LG Chem, Ltd.Inventors: Je-Jun Lee, Sung-Jong Kim, Cha-Hun Ku
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Patent number: 8420257Abstract: A cap assembly is provided. The cap assembly comprises a main gasket surrounding the outer circumference of a safety vent and an auxiliary gasket surrounding the outer circumference of a current interrupt device (CID). The main gasket is supported by the auxiliary gasket, leaving no space between the main gasket and the safety vent. The cap assembly is constructed such that the auxiliary gasket prevents the main gasket seated on a beading portion from sagging. This construction makes the cap assembly effective in preventing an electrolyte from leaking. Further provided is a cylindrical secondary battery comprising the cap assembly.Type: GrantFiled: August 23, 2010Date of Patent: April 16, 2013Assignee: LG Chem, Ltd.Inventors: Sung Jong Kim, Je Jun Lee, Cha Hun Ku
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Publication number: 20130025331Abstract: A washing machine capable of manipulating a balancer with a simple manipulation, and a balancer thereof, the washing machine including a rotating tub configured to accommodate a laundry while being rotatably disposed on a shaft, at least one mass mounted on the rotating tub so as to move in a circumferential direction of the rotating tub, thereby offsetting an unbalanced load of the rotating tub, at least one wire extending along the circumferential direction of the rotating tub and coupled to the at least one mass, and at least one driving unit coupled to the at least one wire and configured to rotate the at least one mass in the circumferential direction of the rotating tub.Type: ApplicationFiled: July 24, 2012Publication date: January 31, 2013Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Hooi Joong KIM, Sung Jong KIM, Moo Hyung LEE, Jae Seuk PARK, Sung Jin CHO, Il Sung BAE, Ho CHOI
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Publication number: 20130025330Abstract: Disclosed herein are a motor usable with a washing machine, which includes a drive shaft to enable supply of electric power to an electric device within a drum, and a washing machine having the same. The washing machine may include a cabinet, a tub placed within the cabinet, a drum rotatably placed within the tub and configured to accommodate laundry therein, at least one electric device mounted to the drum and configured to be operable by electric power, a motor including a ring-shaped stator mounted to a rear wall of the tub and a rotor placed around the stator so as to be rotated via electromagnetic interaction with the stator, the motor being driven by an external power source, and an electric power generating device including a power-generation unit to generate electric power to be transmitted to the electric device via driving of the motor.Type: ApplicationFiled: July 18, 2012Publication date: January 31, 2013Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Il Sung Bae, Moo Hyung Lee, Jae Seuk Park, Sung Jin Cho, Sung Jong Kim
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Publication number: 20120282504Abstract: Disclosed is a secondary battery including an electrode assembly, a casing and a cover assembly. In the electrode assembly, a cathode plate and an anode plate are arranged to face each other through a separator. The casing is adapted to house the electrode assembly therein. The cover assembly includes a metallic cover welded to an open end of the casing.Type: ApplicationFiled: July 16, 2012Publication date: November 8, 2012Applicant: LG CHEM, LTD.Inventors: Sung-Jong Kim, Cha-Hun Ku
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Publication number: 20120278996Abstract: A washing machine which improves performance of balancers, and a control method thereof. The washing machine includes a drum accommodating laundry and rotated by rotary force transmitted from a drive source, balancer housings mounted on the drum, each of the balancer housings including a disc-shaped channel formed therein, balancing modules movably disposed in the channels of the balancer housings, vibration sensors to sense unbalance applied to the drum during rotation of the drum, position sensors to sense the positions of the balancing modules, and a controller controlling movement of the balancing modules to positions to compensate for the unbalance sensed by the vibration sensors.Type: ApplicationFiled: March 28, 2012Publication date: November 8, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Seuk Park, Moo Hyung Lee, Il Sung Bae, Sung Jong Kim
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Publication number: 20120115025Abstract: A seal tape capable of preventing an electrode assembly from moving in a secondary battery, and a secondary battery using the same are disclosed. The seal tape for a secondary battery is attached to the outer surface of the electrode assembly which is received in a battery case, and includes a first adhesive layer having an adhesive surface adhered to the outer surface of the electrode assembly, and a second adhesive layer having an adhesive layer at a side opposite to the first adhesive layer so as to adhere to the inner surface of the battery case.Type: ApplicationFiled: January 12, 2012Publication date: May 10, 2012Applicant: LG CHEM, LTD.Inventors: Sung-Jong Kim, Cha-Hun Ku
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Publication number: 20120100404Abstract: A cap assembly for a secondary battery is coupled to an open end of a battery can receiving an electrode assembly in which a separator is interposed between cathode and anode plates, and includes a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal; a safety element disposed below the top cap to contact the top cap; a safety vent disposed to contact the safety element; a current intercepting member having an upper portion welded to a lower end of the safety vent and a lower portion capable of being connected to the electrode assembly; a first gasket surrounding an outer circumference of the current intercepting member; and a second gasket surrounding the rims of the top cap, the safety element, and the safety vent, and a lower end portion extending to surround the lower portion of the current intercepting member.Type: ApplicationFiled: November 9, 2011Publication date: April 26, 2012Applicant: LG Chem, Ltd.Inventors: Je-Jun Lee, Sung-Jong Kim, Cha-Hun Ku
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Publication number: 20120028090Abstract: A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket.Type: ApplicationFiled: March 11, 2011Publication date: February 2, 2012Inventors: Oh Kyung-Su, Cha-Hun Ku, Yong-Su Choi, Sung-Jong Kim, Jung-Ah Lee, Jae-Dong Chang, Dong-Myung Kim, Jun-Yong Jeong, Sung-Min Hwang, Do-Gyun Kim, Sang-Bong Nam
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Publication number: 20110104523Abstract: A cap assembly of a cylindrical rechargeable battery includes an integrated gasket obtained by integrating a first gasket covering a top cap, a PTC element, and a safety vent and a second gasket covering a CID. The rechargeable battery including the cap assembly has the advantages of increasing a contact area between a safety vent and a gasket by integrating the existing dual-gasket structure to thereby increase a sealing effect, increasing a short circuit reactivity of the CID by freely changing the gasket structure according to the diameter of the current interrupting member to thereby improve stability, simplify components, and reduce a production unit cost.Type: ApplicationFiled: June 11, 2010Publication date: May 5, 2011Applicant: LG CHEM, LTDInventors: Je Jun Lee, Sung Jong Kim, Cha Hun Ku, Hong-Jeong Kim
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Publication number: 20110086251Abstract: A cap assembly is provided. The cap assembly comprises a main gasket surrounding the outer circumference of a safety vent and an auxiliary gasket surrounding the outer circumference of a current interrupt device (CID). The main gasket is supported by the auxiliary gasket, leaving no space between the main gasket and the safety vent. The cap assembly is constructed such that the auxiliary gasket prevents the main gasket seated on a beading portion from sagging. This construction makes the cap assembly effective in preventing an electrolyte from leaking. Further provided is a cylindrical secondary battery comprising the cap assembly.Type: ApplicationFiled: August 23, 2010Publication date: April 14, 2011Applicant: LG CHEM, LTD.Inventors: Sung Jong KIM, Je Jun Lee, Cha Hun Ku