Patents by Inventor Yoshiharu Uchimoto
Yoshiharu Uchimoto 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).
-
Patent number: 11965256Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a nickel-containing metal oxide having a spinel structure, wherein the nickel-containing metal oxide contains nickel (Ni) and manganese (Mn), and has an atom ratio of Li/Ni/Mn/O of (0.0 to 0.8)/(0.4 to 0.6)/(1.0 to 1.8)/4.0.Type: GrantFiled: October 14, 2021Date of Patent: April 23, 2024Assignees: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, DE NORA PERMELEC LTDInventors: Yoshiharu Uchimoto, Tomoki Uchiyama, Shigenori Mitsushima, Yoshiyuki Kuroda, Kensaku Nagasawa, Yoshinori Nishiki, Awaludin Zaenal, Yun Bao
-
Publication number: 20230332309Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a metal composite oxide having a quadruple perovskite oxide structure, wherein the metal composite oxide contains calcium (Ca), manganese (Mn), and nickel (Ni), and has an atom ratio of Ca/Mn/Ni/O of (1.0)/(6.6 to 7.0)/(0.1 to 0.4)/12.0.Type: ApplicationFiled: October 14, 2021Publication date: October 19, 2023Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI
-
Publication number: 20230323547Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a nickel-containing metal oxide having a spinel structure, wherein the nickel-containing metal oxide contains nickel (Ni) and manganese (Mn), and has an atom ratio of Li/Ni/Mn/O of (0.0 to 0.8)/(0.4 to 0.6)/(1.0 to 1.8)/4.0.Type: ApplicationFiled: October 14, 2021Publication date: October 12, 2023Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI, Awaludin ZAENAL, Yun BAO
-
Publication number: 20230279566Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a lithium composite oxide having a rock salt type structure, wherein the lithium composite oxide contains lithium (Li), nickel (Ni), iron (Fe), and aluminum (Al), and has an atom ratio of Li/Ni/Fe/Al/O of (0.4 to 1.1)/(0.4 to 0.8)/(0.05 to 0.2)/(0.05 to 0.2)/2.0.Type: ApplicationFiled: July 29, 2021Publication date: September 7, 2023Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI
-
Publication number: 20220302443Abstract: A main object of the present disclosure is to provide a new active material that can be used in a fluoride ion battery. The present disclosure achieves the object by providing an active material to be used in a fluoride ion battery, the active material comprising: a crystal phase including an infinite layer structure, and represented by ApBqOr, provided that A is at least one of an alkali earth metal element and a rare earth element, B is a transition metal element, p satisfies 0.8?p?1, q satisfies 0.8?q?1, and r satisfies 1.5?r?2.5.Type: ApplicationFiled: March 8, 2022Publication date: September 22, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITYInventors: Hidenori MIKI, Yoshiharu UCHIMOTO, Kentaro YAMAMOTO
-
Patent number: 10312510Abstract: The main object of the present invention is to provide an active material that has a favorable cycle property. The present invention achieves the object by providing an active material to be used for a fluoride ion battery comprising a crystal phase having a layered perovskite structure, and represented by An+1BnO3n+1??Fx (A is composed of at least one of an alkaline earth metal element and a rare earth element; B is composed of at least one of Mn, Co, Ti, Cr, Fe, Cu, Zn, V, Ni, Zr, Nb, Mo, Ru, Pd, W, Re, Bi, and Sb; “n” is 1 or 2; “?” satisfies 0???2; and “x” satisfies 0?x?2.2).Type: GrantFiled: December 28, 2016Date of Patent: June 4, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITYInventors: Hidenori Miki, Zempachi Ogumi, Yoshiharu Uchimoto
-
Patent number: 10090511Abstract: An object of the present disclosure is to provide a secondary battery system that functions at high voltage. The present disclosure attains the object by providing a secondary battery system comprising: a fluoride ion battery including a cathode active material layer, an anode active material layer, and an electrolyte layer formed between the cathode active material layer and the anode active material layer; and a controlling portion that controls charging and discharging of the fluoride ion battery; wherein the cathode active material layer contains a cathode active material with a crystal phase that has a Perovskite layered structure and is represented by An+1BnO3n+1-?Fx (A comprises at least one of an alkali earth metal element and a rare earth element; B comprises at least one of Mn, Co, Ti, Cr, Fe, Cu, Zn, V, Ni, Zr, Nb, Mo, Ru, Pd, W, Re, Bi, and Sb; “n” is 1 or 2; “?” satisfies 0???3.5; and “x” satisfies 0?x?5.Type: GrantFiled: June 1, 2017Date of Patent: October 2, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITYInventors: Hidenori Miki, Zempachi Ogumi, Yoshiharu Uchimoto
-
Patent number: 9935308Abstract: There is provided molybdenum oxide for an active material of an electricity storage device having excellent rate characteristics and structural stability. A turbostratic material 1 has a turbostratic structure composed of a plurality of nanosheets 2, where the nanosheets have the composition MoO2.Type: GrantFiled: March 10, 2015Date of Patent: April 3, 2018Assignees: PANASONIC CORPORATION, KYOTO UNIVERSITYInventors: Hidetaka Sugaya, Katsutoshi Fukuda, Masahito Morita, Yoshiharu Uchimoto
-
Publication number: 20170352875Abstract: An object of the present disclosure is to provide a secondary battery system that functions at high voltage. The present disclosure attains the object by providing a secondary battery system comprising: a fluoride ion battery including a cathode active material layer, an anode active material layer, and an electrolyte layer formed between the cathode active material layer and the anode active material layer; and a controlling portion that controls charging and discharging of the fluoride ion battery; wherein the cathode active material layer contains a cathode active material with a crystal phase that has a Perovskite layered structure and is represented by An+1BnO3n+1-?Fx (A comprises at least one of an alkali earth metal element and a rare earth element; B comprises at least one of Mn, Co, Ti, Cr, Fe, Cu, Zn, V, Ni, Zr, Nb, Mo, Ru, Pd, W, Re, Bi, and Sb; “n” is 1 or 2; “?” satisfies 0???3.5; and “x” satisfies 0?x?5.Type: ApplicationFiled: June 1, 2017Publication date: December 7, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITYInventors: Hidenori MIKI, Zempachi OGUMI, Yoshiharu UCHIMOTO
-
Publication number: 20170237067Abstract: The main object of the present invention is to provide an active material that has a favorable cycle property. The present invention achieves the object by providing an active material to be used for a fluoride ion battery comprising a crystal phase having a layered perovskite structure, and represented by An+1BnO3n+1??Fx (A is composed of at least one of an alkaline earth metal element and a rare earth element; B is composed of at least one of Mn, Co, Ti, Cr, Fe, Cu, Zn, V, Ni, Zr, Nb, Mo, Ru, Pd, W, Re, Bi, and Sb; “n” is 1 or 2; “?” satisfies 0???2; and “x” satisfies 0?x?2.2).Type: ApplicationFiled: December 28, 2016Publication date: August 17, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KYOTO UNIVERSITYInventors: Hidenori MIKI, Zempachi OGUMI, Yoshiharu UCHIMOTO
-
Publication number: 20150263335Abstract: There is provided molybdenum oxide for an active material of an electricity storage device having excellent rate characteristics and structural stability. A turbostratic material 1 has a turbostratic structure composed of a plurality of nanosheets 2, where the nanosheets have the composition MoO2.Type: ApplicationFiled: March 10, 2015Publication date: September 17, 2015Inventors: Hidetaka SUGAYA, Katsutoshi FUKUDA, Masahito Morita, Yoshiharu UCHIMOTO
-
Patent number: 5518830Abstract: Single-component bodies useful in fuel cells and other electrochemical devices are provided. In preferred embodiments, the single-component bodies comprise an anodic region at a first side, a cathodic region at a second, non-adjacent side, and an oxygen ion-conducting region substantially free from anodic or cathodic character disposed between said anodic and cathodic regions. The single-component bodies comprise oxide electrolytes such as yttria-stabilized zirconia doped with multivalent cations such as titanium or terbium.Type: GrantFiled: May 12, 1995Date of Patent: May 21, 1996Assignee: The Trustees of the University of PennsylvaniaInventors: Wayne Worrell, Ping Han, Yoshiharu Uchimoto