Patents by Inventor Nobuyuki Imanishi
Nobuyuki Imanishi 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: 10892518Abstract: A composite solid electrolyte includes: a lithium ion conductive solid electrolyte; and a polymer-containing electrolyte coating layer on a surface of a lithium ion conductive solid electrolyte, wherein the polymer-containing electrolyte coating layer includes an ion conductive polymer having an alkylene oxide segment.Type: GrantFiled: November 1, 2016Date of Patent: January 12, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD., MIE UNIVERSITYInventors: Yonggun Lee, Nobuyuki Imanishi, Osamu Yamamoto
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Patent number: 10347938Abstract: An electrolyte composite including a first block copolymer and a lithium ion conductor, wherein the first block copolymer includes i) a structural domain and ii) at least one of a rubbery domain and an ion conductive domain, wherein the structural domain includes a polymer segment including a structural repeating unit, wherein the rubbery domain includes a polymer segment including a rubbery repeating unit, and wherein the ion conductive domain includes a polymer segment including an ion conductive repeating unit.Type: GrantFiled: November 10, 2015Date of Patent: July 9, 2019Assignee: SAMSUNG ELECTRONICS CO., LTDInventors: Yonggun Lee, Nobuyuki Imanishi, Osamu Yamamoto, Hyorang Kang
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Patent number: 10033066Abstract: [Problem to be Solved] An object is to provide a solid electrolyte which is improved in relative density while having favorable lithium-ion conductivity and which can be preferably employed in a lithium-air battery and the like, and a method of manufacturing the same. [Solution] In a solid electrolyte satisfying formula (I): Li1+XM1XM2YTi2?X?Y(PO4)3??(I) (in formula (I), M1 is one or more elements selected from the group consisting of Al3+, Cu3+, Co3+, Fe3+, Ni3+, Ga3+, Cr3+, and Sc3+, M2 is one or more elements selected from the group consisting of Si4+, Ge4+, Sn4+, Hf4+, and Zr4+, and X and Y are real numbers satisfying X+Y?1), the solid electrolyte has a NASICON-type crystal structure, and lattice constants of the NASICON-type crystal structure are such that a length along an a-axis is 0.8 nm or more and a length along a c-axis is 2.8 nm or less.Type: GrantFiled: January 31, 2017Date of Patent: July 24, 2018Assignees: SUZUKI MOTOR CORPORATION, MIE UNIVERSITYInventors: Hiroyoshi Nemori, Shigehi Mitsuoka, Masaya Nomura, Nobuyuki Imanishi
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Patent number: 9917304Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.Type: GrantFiled: December 15, 2013Date of Patent: March 13, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
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Patent number: 9843038Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.Type: GrantFiled: March 3, 2017Date of Patent: December 12, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Takanobu Yamada, Yasuaki Matsuda, Masaki Matsui, Yuichi Aihara, Nobuyuki Imanishi
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Patent number: 9799922Abstract: A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10?3 S/cm or greater, a lithium ion transference number of about 0.15 or greater, and a lithium ion mobility of about 10?6 cm2/V×sec or greater, wherein the polymer gel electrolyte includes a lithium salt, a polymer capable of forming a complex with the lithium salt, an insulating inorganic filler, and an organic solvent, wherein the organic solvent is inert with respect to the lithium metal, wherein an anionic radius of the lithium salt is about 2.5 Angstroms or greater, and wherein a molecular weight of the lithium salt is about 145 or greater.Type: GrantFiled: August 26, 2013Date of Patent: October 24, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-sik Park, Dong-joon Lee, Sang-bok Ma, Dong-min Im, Won-sung Choi, Osamu Yamamoto, Nobuyuki Imanishi
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Publication number: 20170294678Abstract: A composite solid electrolyte includes: a lithium ion conductive solid electrolyte; and a polymer-containing electrolyte coating layer on a surface of a lithium ion conductive solid electrolyte, wherein the polymer-containing electrolyte coating layer includes an ion conductive polymer having an alkylene oxide segment.Type: ApplicationFiled: November 1, 2016Publication date: October 12, 2017Inventors: Yonggun Lee, Nobuyuki IMANISHI, Osamu YAMAMOTO
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Publication number: 20170250440Abstract: [Problem to be Solved] An object is to provide a solid electrolyte which is improved in relative density while having favorable lithium-ion conductivity and which can be preferably employed in a lithium-air battery and the like, and a method of manufacturing the same. [ Solution] In a solid electrolyte satisfying formula (I): Li1+XM1XM2YTi2-X-Y(PO4)3??(I) (in formula (I), M1 is one or more elements selected from the group consisting of Al3+, Cu3+, Co3+, Fe3+, Ni3+, Ga3+, Cr3+, and Sc3+, M2 is one or more elements selected from the group consisting of Si4+, Ge4+, Sn4+, Hf4+, and Zr4+, and X and Y are real numbers satisfying X+Y?1), the solid electrolyte has a NASICON-type crystal structure, and lattice constants of the NASICON-type crystal structure are such that a length along an a-axis is 0.8 nm or more and a length along a c-axis is 2.8 nm or less.Type: ApplicationFiled: January 31, 2017Publication date: August 31, 2017Inventors: Hiroyoshi NEMORI, Shigehi MITSUOKA, Masaya NOMURA, Nobuyuki IMANISHI
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Publication number: 20170179481Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.Type: ApplicationFiled: March 3, 2017Publication date: June 22, 2017Inventors: Takanobu YAMADA, Yasuaki MATSUDA, Masaki MATSUI, Yuichi AIHARA, Nobuyuki IMANISHI
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Patent number: 9680191Abstract: A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.Type: GrantFiled: September 14, 2012Date of Patent: June 13, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD, NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Min-sik Park, Sang-bok Ma, Osamu Yamamoto, Nobuyuki Imanishi, Yasuo Takeda
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Patent number: 9608288Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.Type: GrantFiled: July 16, 2015Date of Patent: March 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Takanobu Yamada, Yasuaki Matsuda, Masaki Matsui, Yuichi Aihara, Nobuyuki Imanishi
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Publication number: 20160336618Abstract: An electrolyte composite including a first block copolymer and a lithium ion conductor, wherein the first block copolymer includes i) a structural domain and ii) at least one of a rubbery domain and an ion conductive domain, wherein the structural domain includes a polymer segment including a structural repeating unit, wherein the rubbery domain includes a polymer segment including a rubbery repeating unit, and wherein the ion conductive domain includes a polymer segment including an ion conductive repeating unit.Type: ApplicationFiled: November 10, 2015Publication date: November 17, 2016Inventors: Yonggun LEE, Nobuyuki IMANISHI, Osamu YAMAMOTO, Hyorang KANG
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Patent number: 9312583Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.Type: GrantFiled: April 25, 2013Date of Patent: April 12, 2016Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
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Publication number: 20160020487Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.Type: ApplicationFiled: July 16, 2015Publication date: January 21, 2016Inventors: Takanobu YAMADA, Yasuaki MATSUDA, Masaki MATSUI, Yuichi AIHARA, Nobuyuki IMANISHI
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Patent number: 9225046Abstract: A protected anode including an anode including a lithium titanium oxide; and a protective layer including a compound represented by Formula 1 below, a lithium air battery including the same, and an all-solid battery including the protected anode: Li1+XMXA2?XSiYP3?YO12??<Formula 1> wherein M may be at least one of aluminum (Al), iron (Fe), indium (In), scandium (Sc), or chromium (Cr), A may be at least one of germanium (Ge), tin (Sn), hafnium (Hf), and zirconium (Zr), 0?X?1, and 0?Y?1.Type: GrantFiled: September 28, 2012Date of Patent: December 29, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Osamu Yamamoto, Nobuyuki Imanishi, Dong-min Im, Yasuo Takeda
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Patent number: 9178254Abstract: A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex.Type: GrantFiled: December 6, 2011Date of Patent: November 3, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
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Patent number: 9039789Abstract: The whole of a conductive material layer is formed on a bonding surface of an outer film having flexibility and barrier properties to prepare a composite body in which the conductive material layer is integrated with the outer film. A current collector is located within an application region, and at least a part of an electrode terminal is located outside the application region. A positive electrode active material precursor layer, an electrolyte precursor layer, and a negative electrode active material precursor layer are added to the composite body with plane positions thereof aligned with that of the current collector. These precursor layers are subjected to a crosslinking process. The application regions are applied, and the outer films are bonded, to seal a cell. The crosslinking process may be omitted.Type: GrantFiled: December 7, 2011Date of Patent: May 26, 2015Assignee: Mie Industry and Enterprise Support CenterInventors: Yasuo Takeda, Nobuyuki Imanishi, Takahito Itoh, Takahiro Uno, Akira Itsubo, Eiichi Nomura, Shigemitsu Katoh, Kiyotsugu Okuda
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Publication number: 20140178775Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.Type: ApplicationFiled: April 25, 2013Publication date: June 26, 2014Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
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Publication number: 20140178777Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.Type: ApplicationFiled: December 15, 2013Publication date: June 26, 2014Applicant: National University Corporation Mie UniversityInventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
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Publication number: 20140072881Abstract: A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10?3 S/cm or greater, a lithium ion transference number of about 0.15 or greater, and a lithium ion mobility of about 10?6 cm2/V×sec or greater, wherein the polymer gel electrolyte includes a lithium salt, a polymer capable of forming a complex with the lithium salt, an insulating inorganic filler, and an organic solvent, wherein the organic solvent is inert with respect to the lithium metal, wherein an anionic radius of the lithium salt is about 2.5 Angstroms or greater, and wherein a molecular weight of the lithium salt is about 145 or greater.Type: ApplicationFiled: August 26, 2013Publication date: March 13, 2014Applicants: NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-sik PARK, Dong-joon LEE, Sang-bok MA, Dong-min IM, Won-sung CHOI, Osamu YAMAMOTO, Nobuyuki IMANISHI