Patents by Inventor Jun-Won Suh

Jun-Won Suh 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).

  • Publication number: 20170149026
    Abstract: A case for a rechargeable battery and a rechargeable battery including the case, the case including a sequentially deposited first resin layer and second resin layer, wherein the second resin layer includes a butyl-based resin.
    Type: Application
    Filed: October 31, 2016
    Publication date: May 25, 2017
    Inventors: Jung-Yup YANG, Jun-Won SUH, Jeong-Doo YI, Jan-Dee KIM, Bong-Kyoung PARK, Ju-Hyeong HAN, Ju-hee SOHN, Da-Woon HAN, Hye-Ri EOM, Hyun-Hwa SONG, Sol CHOI, Seok-Hun HONG
  • Publication number: 20170062867
    Abstract: There is provided a manufacturing method of an electrode assembly, the method including blanking a first electrode from a first base including a first coated region and a first uncoated region, blanking a second electrode from a second base including a second coated region and a second uncoated region, laminating a separator on the second electrode, cutting the laminated second electrode with the separator, and stacking the laminated second electrode and the first electrode.
    Type: Application
    Filed: August 3, 2016
    Publication date: March 2, 2017
    Inventors: Bo-Hyun Kim, Yu-Jin Han, Hye-Jin Kwon, Eun-Young Goh, Jun-Won Suh, Jong-Ki Lee, Jin-Hyon Lee, Ji-Woon Lee, Sung-Yong Kim, Sang-In Park, Jin-Seon Shin
  • Publication number: 20160268580
    Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly including a first electrode, a separator, and a second electrode stacked together, wherein the first electrode, the separator, and the second electrode are fixed at a fixing portion on a first side of the electrode assembly. A case accommodates the electrode assembly; and first and second electrode tabs are respectively connected to the first and second electrodes and extend from a first end portion of the case so as to form a tab gap therebetween. Each of the first and second electrode tabs includes first and second adhesive portions opposing each other, at least one wire having a bent portion interconnecting the first and second adhesive portions, and an insulating member covering the bent portion.
    Type: Application
    Filed: November 23, 2015
    Publication date: September 15, 2016
    Inventors: Jeong-Doo Yi, Jun-Won Suh, Ju-Hyeong Han, Ju-Hee Sohn, Hyun-Hwa Song, Seok-Hun Hong
  • Publication number: 20160268557
    Abstract: A rechargeable battery includes: an electrode assembly formed by repeatedly stacking first and second electrodes while interposing a separator therebetween, the first and second electrodes each having an uncoated region and a coated region; and a case having a flexible property and accommodating the electrode assembly. The electrode assembly includes a fixing portion where the separator is attached and fixed to the uncoated regions of the first and second electrodes.
    Type: Application
    Filed: November 20, 2015
    Publication date: September 15, 2016
    Inventors: Ju-Hee Sohn, Jun-Won Suh, Jeong-Doo Yi, Ju-Hyeong Han, Hyun-Hwa Song, Seok-Hun Hong
  • Publication number: 20160155997
    Abstract: A rechargeable battery includes: an electrode assembly including first electrodes; separators; and second electrodes, wherein the first electrodes, separators, and second electrodes are laminated together and are fixed by a fixing portion at one side; a case, which is flexible, accommodating the electrode assembly, and pressure-adjusted after sealing; a marginal region between a free end of the electrode assembly and an inside surface of the case; and a spacing portion at the marginal region midway along the case, the spacing portion having a space that is narrower than a case thickness, the spacing portion accommodating changes in a length of the free end of the electrode assembly.
    Type: Application
    Filed: August 14, 2015
    Publication date: June 2, 2016
    Inventors: Jeong-Doo Yi, Jun-Won Suh, Ju-Hee Sohn, Hyun-Hwa Song, Ju-Hyeong Han, Seok-Hun Hong
  • Publication number: 20160149171
    Abstract: A rechargeable battery is provided which includes a stacked electrode assembly in a pouch where the electrode assembly changes in length due to an applied bending stress. According to an exemplary embodiment, a rechargeable battery includes: an electrode assembly including a first electrode, a separator, and a second electrode stacked together and the first electrode, the separator, and the second electrode being fixed with respect to each other by a fixed part at one side of the electrode assembly; and a flexible case accommodating the electrode assembly therein, wherein a gap between a free end of the electrode assembly and an inner surface of the case to accommodate a change in length of the electrode assembly at the free end when the electrode assembly is bent.
    Type: Application
    Filed: July 14, 2015
    Publication date: May 26, 2016
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hyeong Han, Ju-Hee Sohn, Hyun-Hwa Song, Seok-Hun Hong
  • Publication number: 20160141587
    Abstract: Disclosed herein is a rechargeable battery capable of maintaining alignment among a positive electrode, a negative electrode, and a separator of an electrode assembly even in the case in which a form thereof is changed or bent. The rechargeable battery includes: an electrode assembly formed by stacking a first electrode, a separator, and a second electrode, and having an alignment groove formed therein; a case having flexibility and accommodating the electrode assembly therein; and an alignment guide protruding from the case and partially coupled to the alignment groove so as to accommodate and guide a change in a length of the electrode assembly depending on bending.
    Type: Application
    Filed: July 8, 2015
    Publication date: May 19, 2016
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hyeong Han, Ju-Hee Sohn, Hyun-Hwa Song, Seok-Hun Hong
  • Patent number: 9190672
    Abstract: A fuel cell including a plurality of tubular unit cells each including: a first electrode layer, an electrolyte layer, and a second electrode layer, stacked radially in a direction from a center axis to an outer region thereof; an internal current collector in an interior of the unit cell; and an external current collector arranged at an outer circumferential surface of the unit cell, the external current collector including a plurality of connecting portions configured to electrically connect between the unit cell and at least one another unit cell of the plurality of unit cells, and the connecting portions form two or more electrical paths between a unit cell of the plurality of unit cells and another unit cell of the plurality of unit cells.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: November 17, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Won Suh, Jan-Dee Kim, Young-Sun Kwon, Ho-Jin Kweon
  • Publication number: 20150325820
    Abstract: A flexible secondary battery includes an electrode assembly, a first external cover that is located on a first surface of the electrode assembly, and a second external cover that is located on a second surface of the electrode assembly, the second external cover and the first external cover including a sealing portion where edges of the first external cover and the second external cover are attached to each other to seal the electrode assembly. At least one of the first external cover and the second external cover includes a stress-relief pattern in a center portion.
    Type: Application
    Filed: April 2, 2015
    Publication date: November 12, 2015
    Inventors: Ju-Hee SOHN, Naum FEYGENSON, Jun-Won SUH, Jeong-Doo YI, Hyun-Hwa SONG, Bong-Kyoung PARK, Hye-Jung LEE
  • Patent number: 9184462
    Abstract: A fuel cell module and a method manufacturing the same that improves a contact structure of the inter-connectors to prevent gas leaks, thereby to improving the performance and the durability of the unit cell. The fuel cell module includes a plurality of inter-connectors, wherein at least one of the inter-connectors has a first face contacting a first electrode layer, a second face opposing the first face, and third and fourth faces connecting the first face to the second face, respectively, wherein at least a portion of the at least one of the inter-connectors also contacts an electrolytic layer, wherein a length of the first face of the at least one of the inter-connectors is 20% to 80% of a length of the second face.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: November 10, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung-Tae Lee, Jan-Dee Kim, Jun-Won Suh
  • Patent number: 9160031
    Abstract: The present invention relates to a positive active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same. The positive active material includes a lithium/nickel-based compound wherein primary particles having an average particle diameter ranging from 1 ?m to 4 ?m are agglomerated to form secondary particles. The positive active material of the present invention has excellent electrochemical performance and outstanding inhibition to swelling at high temperatures.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: October 13, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Won-Il Jung, Jun-Won Suh, Yong-Chul Park, Geun-Bae Kim
  • Patent number: 9147887
    Abstract: A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: September 29, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Won Suh, Jan-Dee Kim, Seung-Tae Lee, Ho-Jin Kweon
  • Publication number: 20150200417
    Abstract: A flexible secondary battery and a method of manufacturing the flexible secondary battery are disclosed. In one aspect, the flexible secondary battery comprises an electrode assembly including a plurality of curved sections that are continuously formed in a first direction. Each of the sections includes upper and lower portions connected to each other. Each upper portion comprises a left upper portion and a right upper portion spaced apart from each other, wherein the left and upper portions of each section are continuously formed with the adjacent sections. The lower portion of each section is spaced apart from the lower portions of the adjacent sections.
    Type: Application
    Filed: August 11, 2014
    Publication date: July 16, 2015
    Inventors: Hyun-Hwa Song, Feygenson Naum, Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Bong-Kyoung Park, Hye-Jung Lee
  • Patent number: 9065096
    Abstract: A fuel cell stack includes a plurality of unit cells, bypass resistors, and connective resistors. The unit cells are connected in series and/or in parallel. The connected resistors are disposed between the unit cells connected in series and disconnected by heat due to resistance at a small current value in comparison to an current collector. The bypass resistors are connected in parallel to the unit cells or the unit cells connected in parallel.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: June 23, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung-Tae Lee, Jan-Dee Kim, Jun-Won Suh
  • Publication number: 20150171382
    Abstract: A flexible secondary battery includes an electrode assembly and external material surrounding the electrode assembly having at least one bonding portion, wherein the external material is bonded to itself at the at least one bonding portion, and the at least one bonding portion extends in a lengthwise direction of the electrode assembly at an edge of the electrode assembly.
    Type: Application
    Filed: October 20, 2014
    Publication date: June 18, 2015
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Hyun-Hwa Song
  • Publication number: 20150155589
    Abstract: A flexible secondary battery includes an electrode stack assembly including a first electrode layer, a second electrode layer, and a separator between the first and second electrode layers; wherein the electrode stack assembly has a first end portion and a second end portion located opposite to the first end portion; and a fixing member fixing the first electrode layer, the separator, and the second electrode layer together; wherein the electrode stack assembly includes a fixing member region in which the fixing member is formed, the fixing member region being located between the first and second end portions of the electrode stack assembly in a first direction, and wherein the first electrode layer, the separator, and the second electrode layer are flexible at both sides of the fixing member.
    Type: Application
    Filed: June 25, 2014
    Publication date: June 4, 2015
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Hyun-Hwa Song
  • Patent number: 9005845
    Abstract: A solid oxide fuel cell. The solid oxide fuel cell includes a unit cell, which includes a first electrode layer, an electrolyte layer, and a second electrode layer that are sequentially laminated from an inner region to an outer region of the unit cell; and an interconnector electrically connected to the first electrode layer, exposed to outside of the unit cell, and electrically insulated from the second electrode. The solid oxide fuel cell further includes a first porous current collector on an outer surface of the second electrode layer; a first adhesive layer interposed between the first porous current collector and the second electrode layer; a second porous current collector on an outer surface of the interconnector; and a second adhesive layer interposed between the second porous current collector and the interconnector.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Sun Kwon, Jan-Dee Kim, Seung-Tae Lee, Jun-Won Suh
  • Patent number: 8993195
    Abstract: A fuel cell includes a unit cell, a cell fixing member and a welding portion. The unit cell includes a first electrode layer, an electrolyte layer surrounding the first electrode layer, a second electrode layer surrounding the electrolyte layer while exposing an end portion of the electrolyte layer, and a coating layer formed by coating a mixture of ceramic and metal on the exposed end portion of the electrolyte layer. The cell fixing member includes a flow tube inserted into the unit cell, a fixing tube provided to an outside of the flow tube, and a connecting portion connecting the fixing tube and the flow tube to each other and to restrict an insertion depth of the electrolyte layer and the first electrode layer. The welding portion fixes and seals the coating layer and the inner circumferential surface of the fixing tube to each other.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: March 31, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Won Suh, Ho-Jin Kweon
  • Patent number: 8940456
    Abstract: A manufactured fuel cell includes: a unit cell including a first electrode layer, an electrolyte layer surrounding an outer circumference of the first electrode layer, and a second electrode layer surrounding the electrolyte layer while exposing an end of the electrolyte layer; a plating layer around an outer circumference of the exposed electrolyte layer; a cell coupling member including a passage pipe inserted into the unit cell and forming a continuous passage from the inside of the unit cell, a coupling pipe provided outside of the passage pipe to form a space accommodating an end of the unit cell from the passage pipe, and a connecting unit connecting the coupling pipe with the passage pipe and restricting an insertion depth of the electrolyte layer and the first electrode layer; and a welding portion fixing and sealing the plating layer and an inner circumference of the coupling pipe with each other.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: January 27, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jan-Dee Kim, Jun-Won Suh, Young-Sun Kwon, Ho-Jin Kweon
  • Patent number: 8927167
    Abstract: A method of driving a fuel cell system according to embodiments of the present invention includes supplying a first amount of oxidizer (which is less than a normal amount of oxidizer) to a fuel cell stack while continuously supplying fuel to the fuel cell stack, supplying a second amount of oxidizer (which is more than the normal amount) to the fuel cell stack, and supplying a third amount of oxidizer (which is the normal amount of oxidizer supplied in a normal driving state) to the fuel cell stack.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: January 6, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Young Park, Jin-Hwa Lee, Seong-Jin An, Chi-Seung Lee, Jun-Won Suh