Patents by Inventor Joo-Wook LEE
Joo-Wook 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: 12244012Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VP represented by Equation (1) below is 4 mbar·Ah?1·sec?1 or less: Equation (1): VP=?P/(tmax×C).Type: GrantFiled: June 7, 2024Date of Patent: March 4, 2025Assignee: LG Energy Solution, Ltd.Inventors: Min Wook Lee, Joo Hwan Sung, Hee Chang Youn, Ju Young Yun, Seok Jin Oh, Ji Min Park
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Publication number: 20250054975Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VP represented by Equation (1) below is 4 mbar·Ah?1·sec?1 or less: Equation (1): VP=?P/(tmax×C).Type: ApplicationFiled: October 31, 2024Publication date: February 13, 2025Applicant: LG Energy Solution, Ltd.Inventors: Min Wook Lee, Joo Hwan Sung, Hee Chang Youn, Ju Young Yun, Seok Jin Oh, Ji Min Park
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Publication number: 20250055019Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VT represented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): VT=Ctotal/t.Type: ApplicationFiled: October 31, 2024Publication date: February 13, 2025Applicant: LG Energy Solution, Ltd.Inventors: Min Wook Lee, Ju Young YUN, Seok Jin OH, Joo Hwan SUNG, Hee Chang Youn, Ji Min PARK, Hye In KO, Ran Eun LEE, Jin Young PARK
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Patent number: 12224394Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VT represented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): VT=Ctotal/t.Type: GrantFiled: June 7, 2024Date of Patent: February 11, 2025Assignee: LG Energy Solution, Ltd.Inventors: Min Wook Lee, Ju Young Yun, Seok Jin Oh, Joo Hwan Sung, Hee Chang Youn, Ji Min Park, Hye In Ko, Ran Eun Lee, Jin Young Park
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Publication number: 20250030874Abstract: A method is disclosed for predicting chroma components based on reconstructed luma information. In the disclosed embodiments, to intra-predict the current chroma block, the video decoding device decodes the prediction mode indicator of the current chroma block and checks whether the prediction mode indicator utilizes the Direct Mode_Intra Block Copy mode (DM_IBC mode) for the current chroma block. If the current chroma block utilizes DM_IBC mode, the video decoding device uses the block vector of the previously reconstructed corresponding luma block to generate the prediction block of the current chroma block.Type: ApplicationFiled: September 24, 2024Publication date: January 23, 2025Inventors: Dong Gyu SIM, Joo Hyung BYEON, Min Hun LEE, Jin HEO, Seung Wook PARK
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Patent number: 9359226Abstract: A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path.Type: GrantFiled: September 12, 2011Date of Patent: June 7, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Chang Hyun Kim, Hyun Seok Kim, Hyo Rang Kang, Ho Jung Yang, Joo Wook Lee, Bok Soon Kwon, Jae Eun Kim
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Publication number: 20130129592Abstract: Example embodiments relate to a yttrium hydroxycarbonate modified with a heterogeneous metal, a method of preparing the same, an adsorbent for a heavy metal including the same, and a filter device including the same. The modified yttrium hydroxycarbonate may have a pore size distribution with a pore diameter peak of less than or equal to 10 nm.Type: ApplicationFiled: April 18, 2012Publication date: May 23, 2013Applicants: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Seok Kim, Hyo Rang Kang, Chang Hyun Kim, Ho Jung Yang, Joo Wook Lee, Jae Eun Kim, Kyoung-Woong Kim, Ju-Yong Kim, Sunbaek Bang, Sang-Ho Lee
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Patent number: 8431008Abstract: Provided is an electrolytic disinfection system and method for purifying water. The electrolytic disinfection system includes; an electrolytic disinfection device which includes; a chamber, a first electrode disposed in the chamber, a second electrode disposed in the chamber and spaced apart from the first electrode, a water inlet part connected to the chamber, wherein the water inlet part allows influent water to be introduced to the chamber therethrough, and a water outlet part connected to the chamber, wherein the water outlet part allows the influent water to be discharged from the chamber therethrough, and an influent water heating device which is disposed upstream of the water inlet part and heats the influent water introduced to the chamber through the water inlet part.Type: GrantFiled: August 19, 2010Date of Patent: April 30, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-eun Kim, Joo-wook Lee, Chang-hyun Kim, Hyo-rang Kang, Mi-jeong Song, Jae-young Kim
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Publication number: 20120241383Abstract: A filter unit may include a water permeable first electrode, a second electrode arranged so as to be spaced apart from and opposite to the first electrode, and a non-water permeable separator that is positioned between the first electrode and the second electrode. The first electrode may include a metal adsorbent (metal-adsorbing material) and thus may adsorb a metal included in the water. At least one of the first electrode and the second electrode may induce a water hydrolysis reaction to produce H+ ions to regenerate the metal adsorbent. The filter unit may further include a voltage applier to provide a filter system.Type: ApplicationFiled: November 14, 2011Publication date: September 27, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hyun Kim, Hyo Rang Kang, Hyun Seok Kim, Ho Jung Yang, Joo Wook Lee, Jae Eun Kim
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Publication number: 20120234763Abstract: A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path.Type: ApplicationFiled: September 12, 2011Publication date: September 20, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hyun Kim, Hyun Seok Kim, Hyo Rang Kang, Ho Jung Yang, Joo Wook Lee, Bok Soon Kwon, Jae Eun Kim
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Publication number: 20120228215Abstract: A water purifying filter may include an organic material adsorbent. The organic material adsorbent may include graphite with an interplanar spacing at the c-axis of about 0.3354 nm to 0.34 nm as measured by X-ray diffraction analysis (CuK?). A water purifying system may include the water purifying filter.Type: ApplicationFiled: November 14, 2011Publication date: September 13, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho Jung Yang, Hyo Rang Kang, Joo Wook Lee, Hyun Seok Kim, Chang Hyun Kim, Jae Eun Kim
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Publication number: 20120187054Abstract: A filter device may include a filter unit including a first electrode and a second electrode that are arranged so as to be spaced apart and opposite to each other. At least one of the first and second electrodes may include an electrode material layer that is electrically conductive. The electrode material layer may include a metal-adsorbing material (metal adsorbent). A voltage applier for applying voltage to the first electrode and the second electrode for a desired amount of time based on the conditions after operation of the filter unit, and a method for driving the same.Type: ApplicationFiled: January 18, 2012Publication date: July 26, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Hyun Kim, Hyun Seok Kim, Hyo Rang Kang, Jae Eun Kim, Ho Jung Yang, Joo Wook Lee
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Publication number: 20120093908Abstract: Disclosed is a sterilizing catalyst, a sterilizing device and a sterilizing system, the sterilizing catalyst includes a metal lattice including a metal oxide, and an oxygen vacancy-inducing metal that is integrated or encompassed within the metal lattice. The metal oxide is an oxide of a divalent or multivalent metal. The oxygen vacancy-inducing metal has an oxidation number lower than that of the divalent or multivalent metal.Type: ApplicationFiled: June 28, 2011Publication date: April 19, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Eun Kim, Sang Min Ji, Joo Wook Lee, Hyo Rang Kang, Ho Jung Yang, Hyun Seok Kim, Chang Hyun Kim
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Publication number: 20110198238Abstract: An electrode for electrochemical water treatment, the electrode including a nanodiamond and a conducting agent.Type: ApplicationFiled: September 10, 2010Publication date: August 18, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joo-wook LEE, Hyo-rang KANG, Jae-young KIM, Jae-eun KIM
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Publication number: 20110100838Abstract: Provided is an electrolytic disinfection system and method for purifying water. The electrolytic disinfection system includes; an electrolytic disinfection device which includes; a chamber, a first electrode disposed in the chamber, a second electrode disposed in the chamber and spaced apart from the first electrode, a water inlet part connected to the chamber, wherein the water inlet part allows influent water to be introduced to the chamber therethrough, and a water outlet part connected to the chamber, wherein the water outlet part allows the influent water to be discharged from the chamber therethrough, and an influent water heating device which is disposed upstream of the water inlet part and heats the influent water introduced to the chamber through the water inlet part.Type: ApplicationFiled: August 19, 2010Publication date: May 5, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-eun KIM, Joo-wook LEE, Chang-hyun KIM, Hyo-rang KANG, Mi-jeong SONG, Jae-young KIM
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Publication number: 20110042236Abstract: A drinking water filter system includes; a filter unit including; a first electrode and a second electrode disposed separate from and substantially opposite to the first electrode, wherein at least one of the first electrode and the second electrode is a filter layer, and a voltage applying device which alternately applies a forward voltage and a reverse voltage between the first electrode and the second electrode to sterilize and regenerate the at least one filter layer.Type: ApplicationFiled: February 24, 2010Publication date: February 24, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-eun KIM, Joo-wook LEE, Jae-young KIM, Hyo-rang KANG
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Publication number: 20100326513Abstract: An inverse opal structure having dual porosity, a method of manufacturing the inverse opal structure, a dye-sensitized solar cell, and a method of manufacturing the dye-sensitized solar cell improve the light scattering effects of an included light scattering layer and improve functions of included electrodes. The inverse opal structure includes a plurality of first pores regularly arranged in a photonic crystal structure and a plurality of second pores formed on walls of the first pores in which the second pores have a nano-sized diameter.Type: ApplicationFiled: May 20, 2010Publication date: December 30, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Joo-Wook LEE, Ji Man Kim, Sung Soo Kim, Mingshi Jin