Patents by Inventor Jin-hyon Lee
Jin-hyon Lee 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: 10601067Abstract: Provided are a negative electrode for a rechargeable lithium battery including a negative active material and a conductive material wherein the negative active material includes graphite and an inorganic particle positioned on the surface of the graphite and having no reactivity with lithium, and the conductive material is included in an amount of greater than or equal to about 0.1 wt % and less than about 2 wt % based on the total amount of the negative active material and the conductive material, and a rechargeable lithium battery including the same.Type: GrantFiled: October 1, 2015Date of Patent: March 24, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hyon Lee, Sang-In Park, Ji-Woon Lee, Eun-Young Goh, Jong-Ki Lee
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Patent number: 10355303Abstract: 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: GrantFiled: August 3, 2016Date of Patent: July 16, 2019Assignee: Samsung SDI Co., Ltd.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
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Patent number: 10326122Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, a center pin at a center of the electrode assembly, the center pin including a bonding portion electrically coupled to the first electrode, and a terminal portion connected to one end of the bonding portion, a case housing the electrode assembly, and a gasket insulating between the center pin and the case, the gasket enclosing an edge of the terminal portion of the center pin.Type: GrantFiled: October 13, 2016Date of Patent: June 18, 2019Assignee: SAMSUNG SDI CO., LTD.Inventors: Ji-Woon Lee, Eun-Young Goh, Jin-Hyon Lee, Sang-In Park, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Patent number: 10283750Abstract: A rechargeable battery module that effectively imparts a curvature using a rechargeable battery formed as a pin-shaped rechargeable battery with a very small diameter is provided. The rechargeable battery module includes a plurality of rechargeable batteries arranged in parallel, wherein each rechargeable battery comprises a case and terminals that extend from respective ends of the case along a length direction of the case. The module includes a plurality of caps, wherein each cap is coupled to an end of a rechargeable battery of the plurality of rechargeable batteries and is electrically connected to one of the terminals of the rechargeable battery. The module also includes a connector on each cap connecting adjacent caps coupled to corresponding rechargeable batteries. The adjacent caps are moveable relative to the connector such that a curvature between the corresponding rechargeable batteries changes in a direction crossing the length direction.Type: GrantFiled: February 18, 2016Date of Patent: May 7, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hyon Lee, Ji-Woon Lee, Eun-Young Goh, Sang-In Park, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Patent number: 10135088Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator, the first and second electrodes being located on either side of the separator and wound together; a center pin located within the electrode assembly and electrically connected to an uncoated region of the first electrode; a case accommodating the electrode assembly and electrically connected to an uncoated region of the second electrode; a terminal extending to the outside of the case from the center pin; and a gasket located between the terminal and an opening of the case and sealing the opening.Type: GrantFiled: August 25, 2015Date of Patent: November 20, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Sang-In Park, Eun-Young Goh, Ji-Woon Lee, Jin-Hyon Lee, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Patent number: 10038212Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes an electrode assembly including: a first electrode plate including first and second coated regions where an active material layer is formed and a first uncoated region positioned between the first and second coated regions and not formed with the active material layer and folded at the first uncoated region; a second electrode plate inserted between the first electrode plate; and a first separator inserted between the first and second electrode plates, and a first electrode tab bonded to the first uncoated region, wherein the first electrode plate, the second electrode plate, and the first separator are wound after they are stacked.Type: GrantFiled: September 9, 2016Date of Patent: July 31, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hyon Lee, Eun-Young Goh, Ji-Woon Lee, Sang-In Park, Jin-Seon Shin, Sung-Yong Kim
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Patent number: 9905854Abstract: An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material.Type: GrantFiled: January 17, 2014Date of Patent: February 27, 2018Assignee: SAMSUNG SDI CO., LTD.Inventors: Jin-Hyon Lee, Ju-Hee Sohn, Jung-Yeon Won, Eun-Young Goh, Jong-Ki Lee, Sang-In Park
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Patent number: 9876252Abstract: Disclosed is a pin-type rechargeable battery having a micro diameter for increasing an energy density at a preset volume. The rechargeable battery includes: an electrode assembly formed by winding a second electrode around an external circumference of a first electrode disposed at a center thereof by interposing a separator; a case to receive the electrode assembly and an electrolyte solution therein and electrically connected to the second electrode; a terminal electrically connected to the first electrode and drawn outside of the case; and a gasket disposed between the terminal and an opening of the case to close the opening of the case.Type: GrantFiled: February 26, 2016Date of Patent: January 23, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Sang-In Park, Eun-Young Goh, Ji-Woon Lee, Jin-Hyon Lee, Jin-Seon Shin, Sung-Yong Kim, Jong-Ki Lee
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Patent number: 9859555Abstract: Provided is a positive active material, a positive electrode including the positive active material, a lithium battery, and a manufacturing method of the same. The positive active material includes a core including a lithium nickel composite oxide and a coating layer formed on the core. The coating layer improves structural stability of the positive active material. Accordingly, lifespan properties of a lithium battery including the positive active material may be improved.Type: GrantFiled: January 26, 2015Date of Patent: January 2, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Jung-Yeon Won, Eun-Young Goh, Jin-Hyon Lee, Ju-Hee Sohn, Jong-Ki Lee, Seung-Wan Kim, Ju-Hyeong Han
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Patent number: 9825326Abstract: A rechargeable battery includes a wound electrode assembly having first and second electrodes at opposite surfaces of a separator; a first case accommodating a first side of the electrode assembly and being coupled to the first electrode; a second case accommodating a second side of the electrode assembly and coupled to the second electrode; and a gasket engaged by the electrode assembly and combined at the first and second openings to seal the first and second openings.Type: GrantFiled: August 27, 2015Date of Patent: November 21, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Ji-Woon Lee, Eun-Young Goh, Sang-In Park, Jin-Hyon Lee, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Patent number: 9812701Abstract: A rechargeable lithium battery includes a separator between a positive electrode and a negative electrode. The positive electrode has a positive electrode coating region and a positive electrode uncoated region. A positive active material is coated to a positive electrode current collector in the positive electrode coating region, and the positive active material is not coated in the positive electrode uncoated region. The negative electrode includes a negative electrode coating region and a negative uncoated region. A negative active material is coated to a negative electrode current collector in the negative electrode coating region, and the negative active material is not coated and a lithium source is in the negative uncoated region. The negative electrode coating region includes an active region corresponding to the positive electrode coating region. The lithium source is at the negative electrode and separated from an end of the active region by a predetermined interval.Type: GrantFiled: June 26, 2015Date of Patent: November 7, 2017Assignee: SAMSUNG SDI CO., LTD.Inventors: Jin-Hyon Lee, Sang-In Park, Ji-Woon Lee, Eun-Young Goh, Jong-Ki Lee
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Patent number: 9793572Abstract: A rechargeable battery includes an electrode assembly having first and second electrodes at opposite sides of a separator and wound about an axis; a first terminal coupled to the first electrode through a first tab; a second terminal coupled to the second electrode through a second tab; a case accommodating the electrode assembly and including first and second openings at its opposite ends; a first gasket between the first terminal and the first opening, the first gasket sealing the first opening and allowing the first terminal to protrude outside of the case; and a second gasket between the second terminal and the second opening, the second gasket sealing the second opening and allowing the second terminal to protrude outside of the case. The case may further include a fixing portion at its inner side that protrudes toward the electrode assembly.Type: GrantFiled: August 27, 2015Date of Patent: October 17, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hyon Lee, Ji-Woon Lee, Eun-Young Goh, Sang-In Park, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Publication number: 20170117574Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes an electrode assembly including: a first electrode plate including first and second coated regions where an active material layer is formed and a first uncoated region positioned between the first and second coated regions and not formed with the active material layer and folded at the first uncoated region; a second electrode plate inserted between the first electrode plate; and a first separator inserted between the first and second electrode plates, and a first electrode tab bonded to the first uncoated region, wherein the first electrode plate, the second electrode plate, and the first separator are wound after they are stacked.Type: ApplicationFiled: September 9, 2016Publication date: April 27, 2017Inventors: Jin-Hyon LEE, Eun-Young GOH, Ji-Woon LEE, Sang-In PARK, Jin-Seon SHIN, Sung-Yong KIM
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Publication number: 20170117528Abstract: Disclosed is a rechargeable battery. The rechargeable battery includes: an electrode assembly including a separator, a first electrode disposed on a first portion of the separator, and second electrodes separated from each other with the separator therebetween; a case for receiving the electrode assembly; a lead tab including a first current collecting tab connected to the first electrode and a second current collecting tab connected to the second electrodes; a first electrode lead connected to the first current collecting tab; and a second electrode lead connected to the second current collecting tab.Type: ApplicationFiled: July 19, 2016Publication date: April 27, 2017Inventors: Ji-Woon LEE, Eun-Young GOH, Jin-Hyon LEE, Sang-In PARK, Sung-Yong KIM, Jin-Seon SHIN, Jong-Ki LEE
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Publication number: 20170117526Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, a center pin at a center of the electrode assembly, the center pin including a bonding portion electrically coupled to the first electrode, and a terminal portion connected to one end of the bonding portion, a case housing the electrode assembly, and a gasket insulating between the center pin and the case, the gasket enclosing an edge of the terminal portion of the center pin.Type: ApplicationFiled: October 13, 2016Publication date: April 27, 2017Inventors: Ji-Woon LEE, Eun-Young GOH, Jin-Hyon LEE, Sang-In PARK, Sung-Yong KIM, Jin-Seon SHIN, Jong-Ki LEE
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Publication number: 20170062867Abstract: 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: ApplicationFiled: August 3, 2016Publication date: March 2, 2017Inventors: 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
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Publication number: 20160260949Abstract: A rechargeable battery module that effectively imparts a curvature using a rechargeable battery formed as a pin-shaped rechargeable battery with a very small diameter is provided. The rechargeable battery module includes a plurality of rechargeable batteries arranged in parallel, wherein each rechargeable battery comprises a case and terminals that extend from respective ends of the case along a length direction of the case. The module includes a plurality of caps, wherein each cap is coupled to an end of a rechargeable battery of the plurality of rechargeable batteries and is electrically connected to one of the terminals of the rechargeable battery. The module also includes a connector on each cap connecting adjacent caps coupled to corresponding rechargeable batteries. The adjacent caps are moveable relative to the connector such that a curvature between the corresponding rechargeable batteries changes in a direction crossing the length direction.Type: ApplicationFiled: February 18, 2016Publication date: September 8, 2016Inventors: Jin-Hyon Lee, Ji-Woon Lee, Eun-Young Goh, Sang-In Park, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
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Publication number: 20160260999Abstract: Disclosed is a pin-type rechargeable battery having a micro diameter for increasing an energy density at a preset volume. The rechargeable battery includes: an electrode assembly formed by winding a second electrode around an external circumference of a first electrode disposed at a center thereof by interposing a separator; a case to receive the electrode assembly and an electrolyte solution therein and electrically connected to the second electrode; a terminal electrically connected to the first electrode and drawn outside of the case; and a gasket disposed between the terminal and an opening of the case to close the opening of the case.Type: ApplicationFiled: February 26, 2016Publication date: September 8, 2016Inventors: Sang-In PARK, Eun-Young GOH, Ji-Woon LEE, Jin-Hyon LEE, Jin-Seon SHIN, Sung-Yong KIM, Jong-Ki LEE
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Patent number: 9343733Abstract: An electrode having a three-dimensional pore network structure including a fibrous pore channel is disclosed. A lithium battery including the electrode and a method of manufacturing the electrode are also disclosed. The three-dimensional pore network structure formed in the electrode allows for improved mobility of lithium ions in the electrode. Therefore, a lithium battery including the electrode may have improved output characteristics.Type: GrantFiled: February 25, 2013Date of Patent: May 17, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Hyon Lee, Man-Seok Han, Jong-Ki Lee
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Publication number: 20160133926Abstract: Provided are a negative electrode for a rechargeable lithium battery including a negative active material and a conductive material wherein the negative active material includes graphite and an inorganic particle positioned on the surface of the graphite and having no reactivity with lithium, and the conductive material is included in an amount of greater than or equal to about 0.1 wt % and less than about 2 wt % based on the total amount of the negative active material and the conductive material, and a rechargeable lithium battery including the same.Type: ApplicationFiled: October 1, 2015Publication date: May 12, 2016Inventors: Jin-Hyon LEE, Sang-In PARK, Ji-Woon LEE, Eun-Young GOH, Jong-Ki LEE