Patents by Inventor Yong-Kyu Ju
Yong-Kyu Ju 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: 11302985Abstract: A battery module includes a battery cell assembly constituted by stacking a plurality of battery cells, an end plate disposed adjacent to one end of the battery cell assembly, and a shock-absorbing member interposed between the one end of the battery cell assembly and the end plate, wherein the shock-absorbing member is woven fabric or non-woven fabric formed of a plurality of fibers.Type: GrantFiled: November 15, 2019Date of Patent: April 12, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Yong Kyu Ju, Jong Ryeol Oh, Jun Hyurk Jeong, Jin Sol Lim
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Publication number: 20210249724Abstract: A battery module includes a battery cell assembly constituted by stacking a plurality of battery cells, an end plate disposed adjacent to one end of the battery cell assembly, and a shock-absorbing member interposed between the one end of the battery cell assembly and the end plate, wherein the shock-absorbing member is woven fabric or non-woven fabric formed of a plurality of fibers.Type: ApplicationFiled: November 15, 2019Publication date: August 12, 2021Applicant: LG CHEM, LTD.Inventors: Yong Kyu JU, Jong Ryeol OH, Jun Hyurk JEONG, Jin Sol LIM
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Patent number: 9799859Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.Type: GrantFiled: January 4, 2012Date of Patent: October 24, 2017Assignee: LG CHEM, LTD.Inventors: Chang Moon Jeong, Chang Ho Kim, Seung Don Choi, Min Chul Jang, Seung Taek Hong, In Cheol Shin, Nan Ji Yun, Dal Mo Kang, Yo Jin Kim, Yong Kyu Ju, You Rim Yoon, Sang Yoon Jeong, Seung Su Cho, Soul Gie Hong, Jun Seok Choi
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Patent number: 9692027Abstract: Provided is an electrode assembly, and more particularly, an electrode assembly having a structure wound in a state, in which a plurality of unit cells having a stacking structure is disposed on a long sheet type separation film, and including the unit cells having two or more types of configurations of electrode materials, wherein a separator stacked on the unit cell having a stacking structure has a coating material coated on both sides thereof and the long sheet type separation film has a coating material coated on one side thereof. According to the present invention, an electrode assembly improving processability of preparation of a battery while reducing initial resistance during the preparation of the battery as well as having battery lifetime equivalent to that of a conventional battery and a lithium secondary battery including the electrode assembly may be provided.Type: GrantFiled: December 2, 2016Date of Patent: June 27, 2017Assignee: LG Chem, Ltd.Inventors: Sung Joon Park, Seung Don Choi, Yong Kyu Ju, Ji Hoon Jeon, Hye Jin Kang
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Publication number: 20170084896Abstract: Provided is an electrode assembly, and more particularly, an electrode assembly having a structure wound in a state, in which a plurality of unit cells having a stacking structure is disposed on a long sheet type separation film, and including the unit cells having two or more types of configurations of electrode materials, wherein a separator stacked on the unit cell having a stacking structure has a coating material coated on both sides thereof and the long sheet type separation film has a coating material coated on one side thereof. According to the present invention, an electrode assembly improving processability of preparation of a battery while reducing initial resistance during the preparation of the battery as well as having battery lifetime equivalent to that of a conventional battery and a lithium secondary battery including the electrode assembly may be provided.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Applicant: LG Chem, Ltd.Inventors: Sung Joon Park, Seung Don Choi, Yong Kyu Ju, Ji Hoon Jeon, Hye Jin Kang
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Patent number: 9537178Abstract: Provided is an electrode assembly, and more particularly, an electrode assembly having a structure wound in a state, in which a plurality of unit cells having a stacking structure is disposed on a long sheet type separation film, and including the unit cells having two or more types of configurations of electrode materials, wherein a separator stacked on the unit cell having a stacking structure has a coating material coated on both sides thereof and the long sheet type separation film has a coating material coated on one side thereof. According to the present invention, an electrode assembly improving processability of preparation of a battery while reducing initial resistance during the preparation of the battery as well as having battery lifetime equivalent to that of a conventional battery and a lithium secondary battery including the electrode assembly may be provided.Type: GrantFiled: January 11, 2013Date of Patent: January 3, 2017Assignee: LG Chem, Ltd.Inventors: Sung Joon Park, Seung Don Choi, Yong Kyu Ju, Ji Hoon Jeon, Hye Jin Kang
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Patent number: 9331363Abstract: Provided is a novel structural electric device having improved safety. More particularly, provided is a novel structural electric device devised to resolve several issues regarding heat generation, ignition, and explosion, which may be caused by a sharp needle-shaped object penetrating an electric device.Type: GrantFiled: January 12, 2012Date of Patent: May 3, 2016Assignee: LG CHEM, LTD.Inventors: Seung Su Cho, Seung Taek Hong, Seung Don Choi, Dae Sik Choi, Yong Kyu Ju, Dae Hong Kwon, You Rim Yoon, Soul Gie Hong
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Patent number: 8557420Abstract: Provided is a secondary battery, comprising an electrode assembly including a first electrode plate, a second electrode plate and a separator; and a case having a receiving portion for receiving the electrode assembly and an electrolyte therein, the secondary battery comprising: a blowing agent applied onto at least one of a first tab and a second tab in a width direction of the tab, the first and second tabs being, respectively, connected to the first and second electrode plates and connected to leads which extend through the case.Type: GrantFiled: February 18, 2011Date of Patent: October 15, 2013Assignee: LG Chem, Ltd.Inventors: Ji-Hoon Jeon, Seung-Don Choi, Dae-Sik Choi, Nan-Ji Yun, Yong-Kyu Ju
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Publication number: 20120114990Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.Type: ApplicationFiled: January 4, 2012Publication date: May 10, 2012Inventors: Chang Moon Jeong, Chang Ho Kim, Seung Don Choi, Min Chul Jang, Seung Taek Hong, In Cur Shin, Nan Ji Yun, Dal Mo Kang, Yo Jin Kim, Yong Kyu Ju, You Rim Yoon, Sang Yoon Jeong, Seung Su Cho, Soul Gie Hong, Jun Seok Choi
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Publication number: 20120114981Abstract: Provided is a novel structural electric device having improved safety. More particularly, provided is a novel structural electric device devised to resolve several issues regarding heat generation, ignition, and explosion, which may be caused by a sharp needle-shaped object penetrating an electric device.Type: ApplicationFiled: January 12, 2012Publication date: May 10, 2012Inventors: Seung Su CHO, Seung Taek Hong, Seung Don Choi, Dae Sik Choi, Yong Kyu Ju, Dae Hong Kwon, You Rim Yoon, Soul Gie Hong
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Publication number: 20110143177Abstract: Provided is a secondary battery, comprising an electrode assembly including a first electrode plate, a second electrode plate and a separator; and a case having a receiving portion for receiving the electrode assembly and an electrolyte therein, the secondary battery comprising: a blowing agent applied onto at least one of a first tab and a second tab in a width direction of the tab, the first and second tabs being, respectively, connected to the first and second electrode plates and connected to leads which extend through the case.Type: ApplicationFiled: February 18, 2011Publication date: June 16, 2011Inventors: Ji-Hoon JEON, Seung-Don Choi, Dae-Sik Choi, Nan-Ji Yun, Yong-Kyu Ju