Patents by Inventor Jin-man Jeoung
Jin-man Jeoung 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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Patent number: 11289733Abstract: A rechargeable lithium battery includes a positive electrode including a positive current collector and a positive active mass layer on the positive current collector, the positive active mass layer including a positive active material; a negative electrode including a negative current collector and a negative active mass layer on the negative current collector, the negative active mass layer including a negative active material; and an electrolyte, wherein Equation 1 is satisfied: 0.3?A/B?2.5??Equation 1 wherein, in Equation 1, A satisfies Equation 2, and B satisfies Equation 3: 0.01?active mass density (g/cc) of the positive active mass layer/thickness (?m) of the positive electrode?0.1??Equation 2 0.01?active mass density (g/cc) of the negative active mass layer/thickness (?m) of the negative electrode?0.05??Equation 3.Type: GrantFiled: October 4, 2016Date of Patent: March 29, 2022Assignee: Samsung SDI Co., Ltd.Inventor: Jin-Man Jeoung
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Patent number: 9917292Abstract: A battery cell includes a first electrode terminal, a second electrode terminal spaced from the first electrode terminal, and at least one sub terminal coupled to one of the first electrode terminal or the second electrode terminal. The at least one sub terminal includes at least one convex area and at least two concave areas. Each of the convex area and the at least two concave areas to establish an electrical connection with an electrode terminal of adjacent battery cells.Type: GrantFiled: June 9, 2015Date of Patent: March 13, 2018Assignee: Samsung SDI., Ltd.Inventors: Jin Kim, Jin-Man Jeoung, Sumihito Ishida
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Patent number: 9853278Abstract: A secondary battery includes an electrode assembly including a first non-coating portion and a second non-coating portion, a first current collector and a second current collector joined to the first non-coating portion and the second non-coating portion, respectively, a case that accommodates the electrode assembly, and a cap assembly that seals the case. The first current collector includes a first overlapping portion that overlaps and joins the first non-coating portion, the first overlapping portion having a length and a width, and the first non-coating portion having a length and a width. The length of the first overlapping portion is 30% to 70% of the length of the first non-coating portion, and the width of the first overlapping portion is 50% to 70% of the width of the first non-coating portion.Type: GrantFiled: November 7, 2014Date of Patent: December 26, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim, Dae-Seop Lim
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Publication number: 20170117576Abstract: A rechargeable lithium battery includes a positive electrode including a positive current collector and a positive active mass layer on the positive current collector, the positive active mass layer including a positive active material; a negative electrode including a negative current collector and a negative active mass layer on the negative current collector, the negative active mass layer including a negative active material; and an electrolyte, wherein Equation 1 is satisfied: 0.3?A/B?2.5??Equation 1 wherein, in Equation 1, A satisfies Equation 2, and B satisfies Equation 3: 0.01?active mass density (g/cc) of the positive active mass layer/thickness (?m) of the positive electrode?0.1??Equation 2 0.01?active mass density (g/cc) of the negative active mass layer/thickness (?m) of the negative electrode?0.05.Type: ApplicationFiled: October 4, 2016Publication date: April 27, 2017Inventor: Jin-Man Jeoung
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Patent number: 9583279Abstract: A secondary battery including a plurality of electrode assemblies including: a first electrode assembly including a first positive electrode active material; and a secondary electrode assembly including a second positive electrode active material; the first electrode assembly and the second electrode assembly being electrically connected to each other, the first positive electrode active material being different from the second positive electrode active material, and a discharge capacity ratio of the second electrode assembly being in a range of 25% to 80%, based on a total discharge capacity of the first electrode assembly and the second electrode assembly, is disclosed.Type: GrantFiled: October 28, 2013Date of Patent: February 28, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Dae-Seop Lim, Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim
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Patent number: 9306212Abstract: A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material.Type: GrantFiled: December 11, 2013Date of Patent: April 5, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Sumihito Ishida, Jung-Woo An, Young-Kee Kim, Jin-Man Jeoung
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Publication number: 20160036031Abstract: A battery cell includes a first electrode terminal, a second electrode terminal spaced from the first electrode terminal, and at least one sub terminal coupled to one of the first electrode terminal or the second electrode terminal. The at least one sub terminal includes at least one convex area and at least two concave areas. Each of the convex area and the at least two concave areas to establish an electrical connection with an electrode terminal of adjacent battery cells.Type: ApplicationFiled: June 9, 2015Publication date: February 4, 2016Inventors: Jin KIM, Jin-Man JEOUNG, Sumihito ISHIDA
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Patent number: 9136531Abstract: A positive active material for a rechargeable lithium battery includes a core including a lithiated intercalation compound, and a MgO that is present as an island shape on the core surface and having an average nano-size; a method of manufacturing this positive active material, and a rechargeable lithium battery including this positive active material are provided.Type: GrantFiled: September 23, 2011Date of Patent: September 15, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Jin-Man Jeoung
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Publication number: 20150194639Abstract: A secondary battery includes an electrode assembly including a first non-coating portion and a second non-coating portion, a first current collector and a second current collector joined to the first non-coating portion and the second non-coating portion, respectively, a case that accommodates the electrode assembly, and a cap assembly that seals the case. The first current collector includes a first overlapping portion that overlaps and joins the first non-coating portion, the first overlapping portion having a length and a width, and the first non-coating portion having a length and a width. The length of the first overlapping portion is 30% to 70% of the length of the first non-coating portion, and the width of the first overlapping portion is 50% to 70% of the width of the first non-coating portion.Type: ApplicationFiled: November 7, 2014Publication date: July 9, 2015Inventors: Jin-Man JEOUNG, Jung-Woo AN, Jeong-Tae KIM, Dae-Seop LIM
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Publication number: 20150024275Abstract: A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material.Type: ApplicationFiled: December 11, 2013Publication date: January 22, 2015Applicant: SAMSUNG SDI CO., LTD.Inventors: Sumihito ISHIDA, Jung-Woo AN, Young-Kee KIM, Jin-Man JEOUNG
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Publication number: 20150004473Abstract: A secondary battery including a plurality of electrode assemblies including: a first electrode assembly including a first positive electrode active material; and a secondary electrode assembly including a second positive electrode active material; the first electrode assembly and the second electrode assembly being electrically connected to each other, the first positive electrode active material being different from the second positive electrode active material, and a discharge capacity ratio of the second electrode assembly being in a range of 25% to 80%, based on a total discharge capacity of the first electrode assembly and the second electrode assembly, is disclosed.Type: ApplicationFiled: October 28, 2013Publication date: January 1, 2015Applicant: SAMSUNG SDI CO., LTD.Inventors: Dae-Seop Lim, Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim
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Patent number: 8895176Abstract: A rechargeable lithium battery module includes a first rechargeable lithium battery cell combined with a second rechargeable lithium battery cell, the first rechargeable lithium battery cell being the same or different than the second rechargeable lithium battery cell, and the rechargeable lithium battery module has an output voltage of about 13.6 V to about 15.6 V.Type: GrantFiled: March 11, 2013Date of Patent: November 25, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Young-Kee Kim, Jin-Man Jeoung, Eui-Hwan Song
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Publication number: 20140120410Abstract: A positive electrode includes a current collector and a positive active mass layer on the current collector. The positive active mass layer includes a positive active material, active carbon, a conductive material, and a binder. The active mass density of the positive active mass layer and the thickness of the positive active mass layer satisfy Equation 1. 0.09?active mass density of the active mass layer(g/cc)/thickness of the active mass layer(?m)?0.Type: ApplicationFiled: September 11, 2013Publication date: May 1, 2014Applicant: Samsung SDI Co., Ltd.Inventors: Jin-Man Jeoung, Kyeu-Yoon Sheem
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Patent number: 8628883Abstract: Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive electrode includes a current collector; and a positive active material layer including an additive which is LixV2O5 (1<x<4) or a composite of LixV2O5 (1<x<4) and metal oxide, and a positive active material, and being disposed on the current collector.Type: GrantFiled: September 23, 2011Date of Patent: January 14, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Sumihito Ishida, Jung-Woo An, Kyeu-Yoon Sheem, Jin-Man Jeoung, Eui-Hwan Song
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Publication number: 20130288107Abstract: A rechargeable lithium battery module includes a first rechargeable lithium battery cell combined with a second rechargeable lithium battery cell, the first rechargeable lithium battery cell being the same or different than the second rechargeable lithium battery cell, and the rechargeable lithium battery module has an output voltage of about 13.6 V to about 15.6 V.Type: ApplicationFiled: March 11, 2013Publication date: October 31, 2013Applicant: SAMSUNG SDI CO., LTD.Inventors: Young-Kee Kim, Jin-Man Jeoung, Eui-Hwan Song
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Publication number: 20120225357Abstract: A positive active material for a rechargeable lithium battery includes a core including a lithiated intercalation compound, and a MgO that is present as an island shape on the core surface and having an average nano-size.; a method of manufacturing this positive active material, and a rechargeable lithium battery including this positive active material are provided.Type: ApplicationFiled: September 23, 2011Publication date: September 6, 2012Applicant: SAMSUNG SDI CO., LTD.Inventor: Jin-Man Jeoung
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Publication number: 20120196181Abstract: Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive electrode includes a current collector; and a positive active material layer including an additive which is LixV2O5 (1<x<4) or a composite of LixV2O5 (1<x<4) and metal oxide, and a positive active material, and being disposed on the current collector.Type: ApplicationFiled: September 23, 2011Publication date: August 2, 2012Applicant: SAMSUNG SDI CO., LTD.Inventors: Sumihito Ishida, Jung-Woo An, Kyeu-Yoon Sheem, Jin-Man Jeoung, Eui-Hwan Song
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Publication number: 20080238314Abstract: A plasma display panel capable of reducing (or preventing) image quality deterioration due to light transmission of a rear substrate. In one embodiment, a plasma display panel has a discharge space and includes a front substrate module, a rear substrate module opposing the front substrate module, and a barrier rib between the front substrate module and the rear substrate module. Here, the rear substrate module includes a rear substrate; an electrode on the rear substrate; a rear dielectric layer on the electrode; a dielectric adding layer on the rear dielectric layer and including a material having a different light transmission property than the rear dielectric layer; and a phosphor layer on the dielectric adding layer and the barrier rib and facing the discharge space.Type: ApplicationFiled: November 30, 2007Publication date: October 2, 2008Inventor: Jin-man Jeoung