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).

  • Patent number: 11289733
    Abstract: 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: Grant
    Filed: October 4, 2016
    Date of Patent: March 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Jin-Man Jeoung
  • Patent number: 9917292
    Abstract: 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: Grant
    Filed: June 9, 2015
    Date of Patent: March 13, 2018
    Assignee: Samsung SDI., Ltd.
    Inventors: Jin Kim, Jin-Man Jeoung, Sumihito Ishida
  • Patent number: 9853278
    Abstract: 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: Grant
    Filed: November 7, 2014
    Date of Patent: December 26, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim, Dae-Seop Lim
  • Publication number: 20170117576
    Abstract: 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: Application
    Filed: October 4, 2016
    Publication date: April 27, 2017
    Inventor: Jin-Man Jeoung
  • Patent number: 9583279
    Abstract: 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: Grant
    Filed: October 28, 2013
    Date of Patent: February 28, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Seop Lim, Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim
  • Patent number: 9306212
    Abstract: 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: Grant
    Filed: December 11, 2013
    Date of Patent: April 5, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sumihito Ishida, Jung-Woo An, Young-Kee Kim, Jin-Man Jeoung
  • Publication number: 20160036031
    Abstract: 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: Application
    Filed: June 9, 2015
    Publication date: February 4, 2016
    Inventors: Jin KIM, Jin-Man JEOUNG, Sumihito ISHIDA
  • Patent number: 9136531
    Abstract: 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: Grant
    Filed: September 23, 2011
    Date of Patent: September 15, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Jin-Man Jeoung
  • Publication number: 20150194639
    Abstract: 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: Application
    Filed: November 7, 2014
    Publication date: July 9, 2015
    Inventors: Jin-Man JEOUNG, Jung-Woo AN, Jeong-Tae KIM, Dae-Seop LIM
  • Publication number: 20150024275
    Abstract: 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: Application
    Filed: December 11, 2013
    Publication date: January 22, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sumihito ISHIDA, Jung-Woo AN, Young-Kee KIM, Jin-Man JEOUNG
  • Publication number: 20150004473
    Abstract: 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: Application
    Filed: October 28, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Dae-Seop Lim, Jin-Man Jeoung, Jung-Woo An, Jeong-Tae Kim
  • Patent number: 8895176
    Abstract: 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: Grant
    Filed: March 11, 2013
    Date of Patent: November 25, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Kee Kim, Jin-Man Jeoung, Eui-Hwan Song
  • Publication number: 20140120410
    Abstract: 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: Application
    Filed: September 11, 2013
    Publication date: May 1, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jin-Man Jeoung, Kyeu-Yoon Sheem
  • Patent number: 8628883
    Abstract: 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: Grant
    Filed: September 23, 2011
    Date of Patent: January 14, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sumihito Ishida, Jung-Woo An, Kyeu-Yoon Sheem, Jin-Man Jeoung, Eui-Hwan Song
  • Publication number: 20130288107
    Abstract: 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: Application
    Filed: March 11, 2013
    Publication date: October 31, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Young-Kee Kim, Jin-Man Jeoung, Eui-Hwan Song
  • Publication number: 20120225357
    Abstract: 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: Application
    Filed: September 23, 2011
    Publication date: September 6, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventor: Jin-Man Jeoung
  • Publication number: 20120196181
    Abstract: 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: Application
    Filed: September 23, 2011
    Publication date: August 2, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sumihito Ishida, Jung-Woo An, Kyeu-Yoon Sheem, Jin-Man Jeoung, Eui-Hwan Song
  • Publication number: 20080238314
    Abstract: 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: Application
    Filed: November 30, 2007
    Publication date: October 2, 2008
    Inventor: Jin-man Jeoung