Patents by Inventor Da-Woon HAN

Da-Woon HAN 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: 10854858
    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: Grant
    Filed: October 31, 2016
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Patent number: 10784483
    Abstract: A rechargeable battery according to another exemplary embodiment of the present invention includes an electrode assembly including a first electrode including a first electrode plate, a plurality of first electrode uncoated regions protruded from the first electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, a separator overlapping the first electrode, and a second electrode including a second electrode plate overlapping the separator, a plurality of second electrode uncoated regions protruded from the second electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, wherein a ratio of a thickness (T2*2) of one of the coupled members to a thickness (T1) of one of the base members is between about 3 and about 6.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: September 22, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Da-Woon Han, Jan-Dee Kim, Seong-Gi Choo, Sung-Hwa Eo
  • Patent number: 10693191
    Abstract: An electrode assembly wound by interposing a separator between a first electrode and a second electrode according to an exemplary embodiment of the present invention is disclosed, wherein the first electrode includes a first coating part coated with an active material and a plurality of first electrode taps that are not coated with the active material and protrude to an outer side of the first coating part, and two first electrode taps per the number of three winding times are formed so as to protrude from the first electrode.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: June 23, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sung-Hwa Eo, Seong-Gi Choo, Da-Woon Han, Jan-Dee Kim
  • Patent number: 10468658
    Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1<TG<6TW1 and TG>5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Gi Choo, Sung-Hwa Eo, Da-Woon Han, Jan-Dee Kim
  • Patent number: 10312479
    Abstract: A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: June 4, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun-Hwa Song, Jun-Won Suh, Jan-Dee Kim, Jeong-Doo Yi, Jung-Gyu Nam, Bong-Kyoung Park, Jung-Yup Yang, Ju-Hyeong Han, Ju-Hee Sohn, Hye-Ri Eom, Da-Woon Han, Sol Choi, Seok-Hun Hong
  • Patent number: 10147915
    Abstract: A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: December 4, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyun-Hwa Song, Jun-Won Suh, Jan-Dee Kim, Jung-Gyu Nam, Jeong-Doo Yi, Bong-Kyoung Park, Jung-Yup Yang, Ju-Hyeong Han, Ju-Hee Sohn, Hye-Ri Eom, Da-Woon Han, Sol Choi, Seok-Hun Hong
  • Patent number: 10116004
    Abstract: An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBF4 and the electrolyte has a molar concentration of the LiBF4 of about 0.8 M to about 1.2 M.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: October 30, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Da-Woon Han, Kyeu-Yoon Sheem, Jan-Dee Kim, Sung-Hwa Eo
  • Publication number: 20170155099
    Abstract: A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.
    Type: Application
    Filed: November 7, 2016
    Publication date: June 1, 2017
    Inventors: Hyun-Hwa Song, Jun-Won Suh, Jan-Dee Kim, Jeong-Doo Yi, Jung-Gyu Nam, Bong-Kyoung Park, Jung-Yup Yang, Ju-Hyeong Han, Ju-Hee Sohn, Hye-Ri Eom, Da-Woon Han, Sol Choi, Seok-Hun Hong
  • Publication number: 20170155100
    Abstract: A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.
    Type: Application
    Filed: November 9, 2016
    Publication date: June 1, 2017
    Inventors: Hyun-Hwa SONG, Jun-Won SUH, Jan-Dee KIM, Jung-Gyu NAM, Jeong-Doo YI, Bong-Kyoung PARK, Jung-Yup YANG, Ju-Hyeong HAN, Ju-Hee SOHN, Hye-Ri EOM, Da-Woon HAN, Sol CHOI, Seok-Hun HONG
  • Publication number: 20170155098
    Abstract: A flexible rechargeable battery includes a first conductive member including a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially layered from an outer side thereof, a second conductive member that faces the first conductive member, the second conductive member including a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially layered from an outer side thereof, and a sealing portion located on edges of the first conductive member and the second conductive member. The sealing portion is made of a metallic material.
    Type: Application
    Filed: November 2, 2016
    Publication date: June 1, 2017
    Inventors: Bong-Kyoung PARK, Jun-Won SUH, Jung-Gyu NAM, Jeong-Doo YI, Jung-Yup YANG, Ju-Hyeong HAN, Ju-Hee SOHN, Hye-Ri EOM, Da-Woon HAN, Hyun-Hwa SONG, Sol CHOI, Seok-Hun HONG, Jan-Dee KIM
  • 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: 20170125764
    Abstract: A rechargeable battery according to another exemplary embodiment of the present invention includes an electrode assembly including a first electrode including a first electrode plate, a plurality of first electrode uncoated regions protruded from the first electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, a separator overlapping the first electrode, and a second electrode including a second electrode plate overlapping the separator, a plurality of second electrode uncoated regions protruded from the second electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, wherein a ratio of a thickness (T2*2) of one of the coupled members to a thickness (T1) of one of the base members is between about 3 and about 6.
    Type: Application
    Filed: October 19, 2016
    Publication date: May 4, 2017
    Inventors: Da-Woon Han, Jan-Dee Kim, Seong-Gi Choo, Sung-Hwa Eo
  • Publication number: 20170117530
    Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1<TG<6TW1 and TG>5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.
    Type: Application
    Filed: August 2, 2016
    Publication date: April 27, 2017
    Inventors: Seong-Gi Choo, Sung-Hwa Eo, Da-Woon Han, Jan-Dee Kim
  • Patent number: 9525175
    Abstract: Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: December 20, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Bok-Hyun Ka, Kyeu-Yoon Sheem, Da-Woon Han
  • Publication number: 20160329605
    Abstract: An electrode assembly wound by interposing a separator between a first electrode and a second electrode according to an exemplary embodiment of the present invention is disclosed, wherein the first electrode includes a first coating part coated with an active material and a plurality of first electrode taps that are not coated with the active material and protrude to an outer side of the first coating part, and two first electrode taps per the number of three winding times are formed so as to protrude from the first electrode.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 10, 2016
    Inventors: Sung-Hwa EO, Seong-Gi CHOO, Da-Woon HAN, Jan-Dee KIM
  • Patent number: 9419270
    Abstract: Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: August 16, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Woo An, Kyeu-Yoon Sheem, Da-Woon Han
  • Patent number: 9385365
    Abstract: Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: July 5, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Woo An, Kyeu-Yoon Sheem, Da-Woon Han
  • Publication number: 20150229005
    Abstract: An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBF4 and the electrolyte has a molar concentration of the LiBF4 of about 0.8 M to about 1.2 M.
    Type: Application
    Filed: January 12, 2015
    Publication date: August 13, 2015
    Inventors: Da-Woon HAN, Kyeu-Yoon SHEEM, Jan-Dee KIM, Sung-Hwa EO
  • Patent number: 9005815
    Abstract: A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active material includes carbon particles having interplanar spacing (d002) ranging from about 0.34 nm to about 0.50 nm at a 002 plane, measured by X-ray diffraction using CuK?, and nitrogen on the surface of the carbon particles.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: April 14, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyeu-Yoon Sheem, Bok-Hyun Ka, Da-Woon Han
  • Patent number: 8852809
    Abstract: A positive electrode for a rechargeable lithium battery capable of providing a high voltage and a high voltage rechargeable lithium battery including the same, wherein the positive electrode includes a positive active material and a capacitor-reactive carbonaceous material having a specific surface area at or between 10 m2/g and 100 m2/g.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 7, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyeu-Yoon Sheem, Bok-Hyun Ka, Sumihito Ishida, Da-Woon Han, Eui-Hwan Song