Patents by Inventor Jung Don Suk
Jung Don Suk 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: 11367927Abstract: An energy storage device includes an anode; a cathode; an electrolyte in contact with both the anode and the cathode; and an electrically non-conductive separator between the anode and the cathode. The separator includes a membrane having a plurality of voids, wherein at least some of the voids are partially filled with inorganic particles, and wherein the inorganic particles exhibit a shear modulus greater than the shear modulus of the membrane.Type: GrantFiled: May 14, 2018Date of Patent: June 21, 2022Assignees: International Business Machines Corporation, Korea Research Institute of Chemical TechnologyInventors: Younes Ansari, Young-Hye Na, Ho-Cheol Kim, Sogol Teschler, Yongku Kang, Do Youb Kim, Dong Wook Kim, Jung Don Suk
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Publication number: 20210320380Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: June 25, 2021Publication date: October 14, 2021Applicants: LG CHEM, LTD., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
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Patent number: 10673045Abstract: The present disclosure refers to a secondary battery which comprises a high-voltage cathode active material and a separator whose pores are not obstructed even though being used together with the high-voltage cathode active material, thereby preventing the obstruction of pores in the separator and the formation of a dendrite in the anode and eventually providing good battery life performance.Type: GrantFiled: December 21, 2017Date of Patent: June 2, 2020Assignees: LG Chem, Ltd., TORAY INDUSTRIES, INC.Inventors: Sung-Hoon Yu, Jung-Don Suk, Seok-Koo Kim, Doo-Kyung Yang, Yoo-Sun Kang, Kyung-Mi Lee, Jin-Hyun Park
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Publication number: 20190348658Abstract: An energy storage device includes an anode; a cathode; an electrolyte in contact with both the anode and the cathode; and an electrically non-conductive separator between the anode and the cathode. The separator includes a membrane having a plurality of voids, wherein at least some of the voids are partially filled with inorganic particles, and wherein the inorganic particles exhibit a shear modulus greater than the shear modulus of the membrane.Type: ApplicationFiled: May 14, 2018Publication date: November 14, 2019Inventors: Younes Ansari, Young-Hye Na, Ho-Cheol Kim, Sogol Teschler, Yongku Kang, Do Youb Kim, Dong Wook Kim, Jung Don Suk
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Publication number: 20190229316Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
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Patent number: 10297860Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein i) the anode includes a silicon (Si)-based anode active material, ii) the gel polymer electrolyte is formed by polymerizing a composition that includes a monomer having a functional group bondable to metal ions, and iii) a charge voltage of the battery is in a range of 3.0 V to 5.0 V. Since the lithium secondary battery of the present invention may prevent the movement of metal ions dissolved from a cathode to an anode or reduce the precipitation of metal on the anode, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage.Type: GrantFiled: April 8, 2014Date of Patent: May 21, 2019Assignee: LG Chem, Ltd.Inventors: Sung Hoon Yu, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk, Doo Kyung Yang
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Patent number: 10170791Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte includes an acrylate-based polymer and a charge voltage of the battery is in a range of 4.3 V to 5.0 V, and a method of preparing the lithium secondary battery. A high-voltage lithium secondary battery of the present invention has excellent capacity characteristics at a high voltage of 4.3 V or more.Type: GrantFiled: April 4, 2014Date of Patent: January 1, 2019Assignee: LG Chem, Ltd.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Publication number: 20180166671Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: February 6, 2018Publication date: June 14, 2018Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
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Publication number: 20180123107Abstract: The present disclosure refers to a secondary battery which comprises a high-voltage cathode active material and a separator whose pores are not obstructed even though being used together with the high-voltage cathode active material, thereby preventing the obstruction of pores in the separator and the formation of a dendrite in the anode and eventually providing good battery life performance.Type: ApplicationFiled: December 21, 2017Publication date: May 3, 2018Applicants: LG Chem, Ltd., TORAY INDUSTRIES, INC.Inventors: Sung-Hoon Yu, Jung-Don Suk, Seok-Koo Kim, Doo-Kyung Yang, Yoo-Sun Kang, Kyung-Mi Lee, Jin-Hyun Park
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Patent number: 9887407Abstract: The present disclosure refers to a secondary battery which comprises a high-voltage cathode active material and a separator whose pores are not obstructed even though being used together with the high-voltage cathode active material, thereby preventing the obstruction of pores in the separator and the formation of a dendrite in the anode and eventually providing good battery life performance.Type: GrantFiled: October 2, 2014Date of Patent: February 6, 2018Assignees: LG Chem, Ltd., TORAY INDUSTRIES, INC.Inventors: Sung-Hoon Yu, Jung-Don Suk, Seok-Koo Kim, Doo-Kyung Yang, Yoo-Sun Kang, Kyung-Mi Lee, Jin-Hyun Park
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Patent number: 9882239Abstract: Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte. In a case where the composition for a gel polymer electrolyte of the present invention is used in a lithium secondary battery, since the movement of metal ions dissolved from a cathode to an anode may be prevented or the precipitation of metal on the anode may be reduced, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage.Type: GrantFiled: April 9, 2014Date of Patent: January 30, 2018Assignee: LG Chem, Ltd.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Publication number: 20170005309Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: September 15, 2016Publication date: January 5, 2017Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
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Patent number: 9490463Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: GrantFiled: March 5, 2013Date of Patent: November 8, 2016Assignees: LG CHEM, LTD., TORAY BATTERY SEPARATOR FILM CO., LTDInventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Jung Don Suk
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Publication number: 20160028066Abstract: The present disclosure refers to a secondary battery which comprises a high-voltage cathode active material and a separator whose pores are not obstructed even though being used together with the high-voltage cathode active material, thereby preventing the obstruction of pores in the separator and the formation of a dendrite in the anode and eventually providing good battery life performance.Type: ApplicationFiled: October 2, 2014Publication date: January 28, 2016Applicant: LG Chem, Ltd.Inventors: Sung-Hoon Yu, Jung-Don Suk, Seok-Koo Kim, Doo-Kyung Yang, Yoo-Sun Kang, Kyung-Mi Lee, Jin-Hyun Park
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Patent number: 8841031Abstract: Disclosed is a porous film comprising: (a) a porous substrate having pores; and (b) a coating layer formed on at least one region selected from the group consisting of a surface of the substrate and a part of the pores present in the substrate, wherein the coating layer comprises styrene-butadiene rubber. An electrochemical device using the porous film as a separator is also disclosed. The porous film is coated with a styrene-butadiene polymer, whose rubbery characteristics can be controlled, and thus provides improved scratch resistance and adhesion to other substrates. When the porous film is used as a separator for an electrochemical device, it is possible to improve the safety of the electrochemical device and to prevent degradation in the quality of the electrochemical device.Type: GrantFiled: December 7, 2005Date of Patent: September 23, 2014Assignee: LG Chem, Ltd.Inventors: Seok Koo Kim, Sang Young Lee, Soon Ho Ahn, Jung Don Suk, Hyun Hang Yong
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Publication number: 20140220427Abstract: Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte.Type: ApplicationFiled: April 9, 2014Publication date: August 7, 2014Applicant: LG CHEM, LTD.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Publication number: 20140220451Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte includes an acrylate-based polymer and a charge voltage of the battery is in a range of 4.3 V to 5.0 V, and a method of preparing the lithium secondary battery. A high-voltage lithium secondary battery of the present invention has excellent capacity characteristics at a high voltage of 4.3 V or more.Type: ApplicationFiled: April 4, 2014Publication date: August 7, 2014Applicant: LG CHEM, LTD.Inventors: Sung Hoon Yu, Doo Kyung Yang, Sun Sik Shin, Song Taek Oh, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk
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Publication number: 20140220452Abstract: Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein i) the anode includes a silicon (Si)-based anode active material, ii) the gel polymer electrolyte is formed by polymerizing a composition that includes a monomer having a functional group bondable to metal ions, and iii) a charge voltage of the battery is in a range of 3.0 V to 5.0 V. Since the lithium secondary battery of the present invention may prevent the movement of metal ions dissolved from a cathode to an anode or reduce the precipitation of metal on the anode, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage.Type: ApplicationFiled: April 8, 2014Publication date: August 7, 2014Applicant: LG CHEM, LTD.Inventors: Sung Hoon Yu, Yoo Sun Kang, Kyung Mi Lee, Jin Hyun Park, Jung Don Suk, Doo Kyung Yang
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Patent number: 8409746Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: GrantFiled: September 1, 2005Date of Patent: April 2, 2013Assignee: LG Chem, Ltd.Inventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Jung Don Suk
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Publication number: 20110281172Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: July 15, 2011Publication date: November 17, 2011Applicant: LG CHEM, LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK