Patents by Inventor Tae Keun Kim
Tae Keun Kim 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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Publication number: 20110223448Abstract: A rechargeable battery including: an electrode assembly; and a case including a receiving portion to house the electrode assembly, a junction portion disposed around the receiving portion, formed by bonded films of the case, and gas outlet disposed in the junction portion. The gas outlet includes a first block portion, a second block portion, and a buffering space disposed between the first and second block portions.Type: ApplicationFiled: December 13, 2010Publication date: September 15, 2011Inventors: Jun-Sik Kim, Tae-Keun Kim, Sae-Weon Roh, Sung-Soo Kim
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Publication number: 20110217588Abstract: Disclosed is a secondary battery which includes an electrode assembly comprising inner stacked electrodes and at least one outermost electrode positioned on at least one end of the inner stacked electrodes; and a case configured to house the electrode assembly. Herein, the at least one outermost electrode comprise an inactive material.Type: ApplicationFiled: July 28, 2010Publication date: September 8, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Sae-Weon Roh, Sung-Soo Kim, Tae-Keun Kim, Jin-Kyu Hong, Nam-Soon Choi, Jun-Sik Kim, Man-Seok Han, Chong-Hoon Lee
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Publication number: 20110189544Abstract: A negative active material for a rechargeable lithium battery that includes a core including a compound represented by the following Chemical Formula 1, and a carbon layer disposed on the core and including low crystalline carbon. LixTiyOz ??[Chemical Formula 1] where 0.1?x?4, 1?y?5, and 2?z?12.Type: ApplicationFiled: August 10, 2010Publication date: August 4, 2011Applicant: SAMSUNG SDI CO., LTD.Inventors: Jun-Sik KIM, Tae-Keun KIM, Kyeu-Yoon SHEEM, Eui-Hwan SONG, Jeong-Soon SHIN, Sung-Soo KIM
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Patent number: 7985506Abstract: A fuel cell system and a reformer for a fuel cell system prevents backfire and improves efficiency of heat transfer. The fuel cell system includes a reformer generating hydrogen gas from fuel including hydrogen by a catalytic chemical reaction using heat energy, and at least one electricity generating unit generating electrical energy by an electrochemical reaction between the hydrogen gas and oxygen. The reformer includes a case, a heat source, and a reforming reaction part. The case forms an external shape. The heat source is disposed in the case to generate heat energy by an oxidation reaction between fuel and a catalyst, and includes a mesh, an oxidation catalyst layer formed on a surface of the mesh, and at least one fuel injection nozzle supplying the fuel to the oxidation catalyst layer. The reforming reaction part is disposed in the case to generate hydrogen gas from fuel using the heat energy generated from the heat source.Type: GrantFiled: November 6, 2008Date of Patent: July 26, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Sung-Chul Lee, Ju-Yong Kim, Woo-Cheol Shin, Yong-Kul Lee, Sang-Jun Kong, In-Hyuk Son, Jin-Goo Ahn, Tae-Keun Kim
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Publication number: 20110165465Abstract: A negative active material for a rechargeable lithium battery, a method of preparing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material has a composite of an active material and crystalline carbon. The active material includes a core and a carbon coating layer formed on the core and including amorphous carbon. The core includes a compound represented by a Chemical Formula LixTiyO4, wherein 0.6?x?2.5, and 1.2?y?2.3.Type: ApplicationFiled: August 20, 2010Publication date: July 7, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Tae-Keun Kim, Jun-Sik Kim, Jin-Kyu Hong, Sae-Weon Roh, Man-Seok Han, Sung-Soo Kim, Eui-Hwan Song
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Publication number: 20110143198Abstract: A rechargeable lithium battery includes a binder for a rechargeable lithium battery, and a positive active material composition. The binder for the rechargeable lithium battery includes a nitrile-based polymer nanoparticle and a fluorine-containing polymer nanoparticle.Type: ApplicationFiled: September 8, 2010Publication date: June 16, 2011Inventors: Nam-Soon Choi, Man-Seok Han, Tae-Keun Kim, Jin-Kyu Hong, Sung-Soo Kim
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Publication number: 20110117442Abstract: A polymer composition for a rechargeable lithium battery including a polymer of a first monomer selected from methylmethacrylate (MMA), acrylonitrile (AN), or a combination thereof, and a second monomer of ethylene oxide (EO), as well as a lithium salt.Type: ApplicationFiled: August 4, 2010Publication date: May 19, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Tae-Keun Kim, Sae-Weon Roh, Sang-Woog Ryu
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Publication number: 20110097622Abstract: A rechargeable battery that includes: an electrode assembly generating a current; a case accommodating the electrode assembly therein; and a cap assembly coupled to the case so as to be electrically connected with the electrode assembly. The electrode assembly includes a first electrode, a separator, and a second electrode that are sequentially stacked, and the separator includes a main body part disposed between the first and second electrodes and protrusions formed that protrude from the main body part to the side of at least one of an end portion of the first electrode and an end portion of the second electrode.Type: ApplicationFiled: July 28, 2010Publication date: April 28, 2011Applicant: SAMSUNG SDI CO., LTD.Inventors: Jun-Sik KIM, Tae-Keun KIM, Sae-Weon ROH, Sung-Soo KIM
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Publication number: 20110091770Abstract: A rechargeable battery that can have high energy density and high power density. The rechargeable battery includes: bipolar electrodes including a current collector, a sealing layer that is formed at the edge of the current collector, a first electrode active material layer that is inserted into a space in that is formed within the sealing layer, and a second electrode active material layer that is formed at the opposite side of the first electrode active material layer; and a separator that is disposed between the bipolar electrodes, wherein the sealing layer is bonded with the sealing layer of neighboring bipolar electrodes.Type: ApplicationFiled: October 13, 2010Publication date: April 21, 2011Applicant: SAMSUNG SDI CO., LTD.Inventors: Man-Seok HAN, Eui-Hwan SONG, Sumihito ISHIDA, Satoshi NARUKAWA, Jin-Kyu HONG, Jun-Sik KIM, Kyeu-Yoon SHEEM, Tae-Keun KIM, Mee-Young LEE
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Publication number: 20110052965Abstract: A battery module includes a plurality of rechargeable batteries, each rechargeable battery including a case having an opening at one side and an electrode assembly inserted inside the case; and a sealing layer disposed between an opening of at least one case and a case of a neighboring rechargeable battery, wherein the opening of the at least case is covered by the case of the neighboring rechargeable battery.Type: ApplicationFiled: July 26, 2010Publication date: March 3, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Jun-Sik Kim, Man-Seok Han, Tae-Keun Kim, Sung-Soo Kim, Sae-Weon Roh
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Publication number: 20110052952Abstract: An electrode assembly and a rechargeable battery having an electrode assembly. An electrode assembly for a rechargeable battery includes a first electrode; a second electrode; a first separator between the first electrode and the second electrode, the first separator having a plurality of first pores, each of the first pores elongated in a first direction; and a second separator on an opposite side of the first electrode from the first separator, the second separator having a plurality of second pores, each of the second pores elongated in a second direction crossing the first direction.Type: ApplicationFiled: December 15, 2009Publication date: March 3, 2011Inventors: Sae-Weon Roh, Sung-Soo Kim, Tae-Keun Kim, Jin-Kyu Hong, Jun-Sik Kim, Man-Seok Han, Nam-Soon Choi, Chong-Hoon Lee
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Publication number: 20110045333Abstract: A rechargeable battery that can improve heat dissipating characteristics is provided. The rechargeable battery comprises: an electrode group including a positive electrode; an electrode group that has at least one terminal; a case that defines a recess that receives the electrode group wherein the case includes an opening that provides access to the recess; a film cover that extends over the opening so as to secure the electrode group within the recess of the case; and a heat dissipating member positioned on the case so as extend outward from the case to dissipate heat from the recess containing the electrode group.Type: ApplicationFiled: December 22, 2009Publication date: February 24, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Jun-Sik Kim, Sung-Soo Kim, Nam-Soon Choi, Jeong-Soon Shin, Tae-Keun Kim, Sae-Weon Roh
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Publication number: 20110014516Abstract: A rechargeable battery that includes a case made of a laminate sheet; an electrode assembly installed in the case and an electrode terminal that protrudes outside the case and is connected to the electrode assembly. The case includes a receiving unit receiving the electrode assembly and including a first sealing part, and a cover covering the receiving unit and including a second sealing part that is thermally fused to the first sealing part. The first sealing part and the second sealing part include first protrusions and depressions and second protrusions and depressions respectively formed on a portion corresponding at least to the electrode terminal, and the electrode terminal includes third protrusions and depressions respectively corresponding to the first protrusions and depressions and the second protrusions and depressions.Type: ApplicationFiled: April 9, 2010Publication date: January 20, 2011Applicant: SAMSUNG SDI CO., LTD.Inventors: Sae-Weon ROH, Tae-Keun KIM, Jun-Sik KIM, Man-Seok HAN, Nam-Soon CHOI, Jin-Kyu HONG, Jae-Min YANG, Sung-Soo KIM
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Publication number: 20110008670Abstract: A battery module for a rechargeable battery. The battery module has low contact resistance and includes: a plurality of electrode assemblies incorporating a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode; a housing installed with the electrode assembly; and at least one conductive barrier inserted in the housing thereby dividing the space inside the housing, and electrically connecting the plurality of electrode assemblies.Type: ApplicationFiled: May 28, 2010Publication date: January 13, 2011Applicant: Samsung SDI Co., Ltd.Inventors: Man-Seok Han, Eui-Hwan Song, Sumihito Ishida, Satoshi Narukawa, Jin-Kyu Hong, Jun-Sik Kim, Kyeu-Yoon Sheem, Tae-keun Kim, Mee-Young Lee
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Publication number: 20100310928Abstract: A rechargeable battery including a battery cell, and a battery case housing the battery cell, the battery case including a silane-based compound.Type: ApplicationFiled: December 2, 2009Publication date: December 9, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Sae-Weon ROH, Tae-Keun KIM, Nam-Soon CHOI, Jin-Kyu Hong, Jun-Sik KIM, Man-Seok HAN, Sung-Soo KIM
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Publication number: 20100196776Abstract: An auto ignition type autothermal reformer (ATR) performs reproducible ignition using a catalyst that performs ignition without a separate ignition unit, such as an igniter or heating wire, and a fuel cell system having the ATR. The ATR includes a reaction container having a first opening through which a fuel is introduced into the reaction container and a second opening through which a reformate is discharged from the reaction container, the fuel having a mixture of an aqueous primary fuel solution and hydrogen peroxide; a first catalyst disposed adjacent to the first opening in the reaction container, the first catalyst being a granular catalyst; a second catalyst disposed at the rear portion of the first catalyst to promote an autothermal reforming reaction; and a third catalyst disposed at the rear portion of the second catalyst to promote an oxidation reaction.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Jin-Goo Ahn, Sung-Chul Lee, In-Hyuk Son, Woo-Cheol Shin, In-Seob Song, Ju-Yong Kim, Yong-Kul Lee, Tae-Keun Kim
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Publication number: 20100178560Abstract: A negative active material for a rechargeable lithium battery, a method of preparing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material for a rechargeable lithium battery includes lithium titanium oxide (Li4Ti5O12) having a tap density of about 1.2 g/cc to 2.2 g/cc. The lithium titanium oxide is prepared by a mechano-chemical treatment and a heat treatment at a low temperature of about 650° C. to 775° C. According to the present invention, lithium titanium oxide having high crystallinity and tap density can be prepared through a simple and low-cost solid-phase method, e.g., a mechano-chemical treatment, and thus an electrode with excellent electrochemical reactivity and high energy density per volume can be fabricated.Type: ApplicationFiled: August 24, 2009Publication date: July 15, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Jun-Sik Kim, Eui-Hwan Song, Kyeu-Yoon Sheem, Yong-Chul Park, Jin-Kyu Hong, Man-Seok Han, Tae-Keun Kim
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Publication number: 20100143774Abstract: A rechargeable battery includes an electrode assembly that includes a positive electrode, a negative electrode, a first bipolar electrode between the negative electrode and the positive electrode, and a second bipolar electrode between an outer surface of the electrode assembly and the positive electrode or between a center of the electrode assembly and the negative electrode, wherein the positive electrode, the negative electrode, and the first and second bipolar electrodes are stacked and wound together, and a lead electrically coupled with the electrode assembly. The electrode assembly may include separators between the positive electrode, the negative electrode, and the first and second bipolar electrodes.Type: ApplicationFiled: December 8, 2009Publication date: June 10, 2010Inventors: Man-Seok Han, Eui-Hwan Song, Jin-Kyu Hong, Jun-Sik Kim, Yong-Chul Park, Kyeu-Yoon Sheem, Nam-Soon Choi, Tae-Keun Kim, Atsuo Omaru, Satoshi Narukawa
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Patent number: 7588854Abstract: A fuel cell system having no fuel pump, including: an electric generator to generate electricity by electrochemical reaction between hydrogen-containing fuel and an oxidant; and a fuel feeder including a fuel tank in which the hydrogen-containing fuel to be supplied to the electric generator is stored, wherein the fuel feeder includes a gas pressure applying unit provided between the electric generator and the fuel tank and adapted to recover gas produced in the electrochemical reaction and apply the recovered gas to the fuel tank and drive the fuel into the electric generator. With this configuration, the gas, such as carbon dioxide, produced by the electrochemical reaction between hydrogen and oxygen is supplied to the fuel tank without requiring a fuel pump, so the hydrogen-containing fuel is smoothly supplied and thereby enhances the fuel cell's efficiency in generating power.Type: GrantFiled: October 20, 2006Date of Patent: September 15, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Seung Shik Shin, Ho Jin Kweon, Tae Keun Kim
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Publication number: 20090169932Abstract: A fuel cell system and a reformer for a fuel cell system prevents backfire and improves efficiency of heat transfer. The fuel cell system includes a reformer generating hydrogen gas from fuel including hydrogen by a catalytic chemical reaction using heat energy, and at least one electricity generating unit generating electrical energy by an electrochemical reaction between the hydrogen gas and oxygen. The reformer includes a case, a heat source, and a reforming reaction part. The case forms an external shape. The heat source is disposed in the case to generate heat energy by an oxidation reaction between fuel and a catalyst, and includes a mesh, an oxidation catalyst layer formed on a surface of the mesh, and at least one fuel injection nozzle supplying the fuel to the oxidation catalyst layer. The reforming reaction part is disposed in the case to generate hydrogen gas from fuel using the heat energy generated from the heat source.Type: ApplicationFiled: November 6, 2008Publication date: July 2, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Sung-Chul Lee, Ju-Yong Kim, Woo-Cheol Shin, Yong-Kul Lee, Sang-Jun Kong, In-Hyuk Son, Jin-Goo Ahn, Tae-Keun Kim