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1. 发明申请

US20130192985A1 ELECTRODE CATALYST 审中-公开
标题翻译：电极催化剂
公开(公告)号：US20130192985A1
公开(公告)日：2013-08-01
申请号：US13808142
申请日：2011-07-06
申请人： Takeshi Hattori , Yutaka Ito , Hajime Maki , Hideto Imai , Kenichiro Ota
发明人： Takeshi Hattori , Yutaka Ito , Hajime Maki , Hideto Imai , Kenichiro Ota
IPC分类号： C25B11/04 , H01M4/86
CPC分类号： C25B11/0405 , C25B11/0415 , C25B11/0447 , H01M4/8605 , H01M4/8652 , H01M4/8657 , H01M4/8673 , H01M4/88 , H01M4/9016
摘要： An electrode catalyst, including: a metal compound which contains an oxygen atom and at least one metal element selected from a group consisting of Group 4 elements and Group 5 elements in the long-form periodic table, and a carbonaceous material which covers at least part of the metal compound; wherein an oxygen deficiency index, which is represented as an inverse number of a peak value of a first nearest neighbor element in a radial distribution function obtained by Fourier-transforming an EXAFS oscillation in EXAFS measurement of the metal element, is 0.125 to 0.170; and a crystallinity index, which is represented as a peak value of a second nearest neighbor element in the radial distribution function, is 4.5 to 8.0.
摘要翻译：一种电极催化剂，包括：含有氧原子的金属化合物和选自长型周期表中的第4族元素和第5族元素的至少一种金属元素，以及覆盖至少部分的碳质材料的金属化合物; 其中，通过对金属元素的EXAFS测量中的EXAFS振荡进行傅里叶变换而获得的径向分布函数中的第一最近相邻元素的峰值的倒数表示的氧缺乏指数为0.125〜0.170，在径向分布函数中表示为第二最近相邻元素的峰值的结晶度指数为4.5〜8.0。

2. 发明申请

US20120094825A1 METHOD FOR PRODUCING ELECTRODE CATALYST 审中-公开
标题翻译：生产电极催化剂的方法
公开(公告)号：US20120094825A1
公开(公告)日：2012-04-19
申请号：US13377041
申请日：2010-06-16
申请人： Takeshi Hattori , Yutaka Ito , Hajime Maki , Kenichiro Ota
发明人： Takeshi Hattori , Yutaka Ito , Hajime Maki , Kenichiro Ota
IPC分类号： B01J21/18
CPC分类号： H01M4/90 , B01J21/063 , B01J21/066 , B01J21/18 , B01J35/1014 , B01J35/1019 , B01J37/0215 , B01J37/0221 , B01J37/0225 , C25B11/04 , Y02P20/544
摘要： A method for producing an electrode catalyst, comprising a step of calcining a precursor of the electrode catalyst under conditions under which a second material defined below can change into a carbonaceous material, the precursor having been obtained by continuously hydrothermally reacting a mixture containing a first material defined below and the second material defined below in the presence of supercritical or subcritical water, wherein the first material is defined to be a metal compound composed of one or more metal elements selected from the group consisting of the elements of Group 4A and the elements of Group 5A group and one or more non-metal elements selected from the group consisting of hydrogen, nitrogen, chlorine, carbon, boron, sulfur, and oxygen, and the second material is defined to be a precursor of a carbonaceous material.
摘要翻译：一种电极催化剂的制造方法，其特征在于，在下述规定的第二材料可以变成碳质材料的条件下煅烧所述电极催化剂的前体的步骤，所述前体是通过将包含第一材料的混合物在下文定义的第二材料和在超临界或亚临界水存在下定义的第二材料，其中第一材料被定义为由一种或多种金属元素组成的金属化合物，所述金属元素选自由4A族元素组成的组和 5A族和选自氢，氮，氯，碳，硼，硫和氧的一种或多种非金属元素，第二种材料被定义为碳质材料的前体。

3. 发明申请

US20140308592A1 METHOD OF MANUFACTURING DISPERSION LIQUID FOR ELECTRODE CATALYST, DISPERSION LIQUID FOR ELECTRODE CATALYST, METHOD OF MANUFACTURING ELECTRODE CATALYST, ELECTRODE CATALYST, ELECTRODE STRUCTURE, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL AND AIR CELL 审中-公开
标题翻译：制造电极催化剂的分散液的方法，电极催化剂的分散液，制造电极催化剂的方法，电极催化剂，电极结构，膜电极组件，燃料电池和空气电池
公开(公告)号：US20140308592A1
公开(公告)日：2014-10-16
申请号：US14342636
申请日：2012-09-05
申请人： Hajime Maki , Yutaka Ito , Yoshinari Sawabe , Kenichiro Ota
发明人： Hajime Maki , Yutaka Ito , Yoshinari Sawabe , Kenichiro Ota
IPC分类号： H01M4/92 , H01M4/88
CPC分类号： H01M4/926 , H01M4/8807 , H01M4/8853 , H01M4/8878 , H01M4/9041 , H01M4/925
摘要： A method of manufacturing a dispersion liquid for an electrode catalyst, the method comprising a step of supporting a precious metal on the surface of a carrier by an electrodeposition process using a raw material mixed solution in which a particulate carrier is dispersed in a solvent and a compound including the precious metal element is dissolved in the solvent, wherein the carrier has oxygen reduction capability and is free of precious metal elements.
摘要翻译：一种制造电极催化剂用分散液的方法，该方法包括以下步骤：通过使用其中将颗粒状载体分散在溶剂中的原料混合溶液的电沉积工艺将贵金属担载在载体表面上，包含贵金属元素的化合物溶解在溶剂中，其中载体具有氧还原能力并且不含贵金属元素。

4. 发明授权

US09136541B2 Process for producing fuel cell electrode catalyst, process for producing transition metal oxycarbonitride, fuel cell electrode catalyst and uses thereof 有权
标题翻译：燃料电池用电极催化剂的制造方法，过渡金属碳氮氧化物的制造方法，燃料电池用电极催化剂及其用途
公开(公告)号：US09136541B2
公开(公告)日：2015-09-15
申请号：US13577843
申请日：2011-02-09
申请人： Kunchan Lee , Ryoko Konta , Masaki Horikita , Chunfu Yu , Yasuaki Wakizaka , Kenichiro Ota , Ryuji Monden , Kazunori Ichioka , Takashi Sato , Takuya Imai
发明人： Kunchan Lee , Ryoko Konta , Masaki Horikita , Chunfu Yu , Yasuaki Wakizaka , Kenichiro Ota , Ryuji Monden , Kazunori Ichioka , Takashi Sato , Takuya Imai
IPC分类号： H01M4/04 , H01M4/90 , B01J23/74 , B01J23/75 , B01J37/00 , B01J37/08 , B01J37/18 , C01B21/082 , H01M4/88 , H01M8/10
CPC分类号： H01M4/9016 , C01B21/0828 , C01P2002/72 , C01P2006/40 , H01M4/8896 , H01M8/1004 , Y02E60/521
摘要： Provided is a process for producing a fuel cell electrode catalyst having high catalytic activity which uses a transition metal, e.g., titanium, which process comprises thermal treatment at relatively low temperature, i.e., not including thermal treatment at high temperature (calcining) step. The process for producing a fuel cell electrode catalyst comprises a step (1) of mixing at least a transition metal-containing compound, a nitrogen-containing organic compound and a solvent to provide a catalyst precursor solution; a step (2) of removing the solvent from the catalyst precursor solution; and a step (3) of thermally treating a solid residue obtained in the step (2) at a temperature of 500 to 1100° C. to provide an electrode catalyst; wherein the transition metal-containing compound is partly or wholly a compound comprising at least one transition metal element (M1) selected from the group 4 and 5 elements of the periodic table as a transition metal element.
摘要翻译：提供了一种使用过渡金属（例如钛）具有高催化活性的燃料电池电极催化剂的方法，该方法包括在较低温度下的热处理，即不包括在高温（煅烧）步骤的热处理。制造燃料电池电极催化剂的方法包括将至少含过渡金属的化合物，含氮有机化合物和溶剂混合以提供催化剂前体溶液的步骤（1）从催化剂前体溶液中除去溶剂的步骤（2）; 以及在500〜1100℃的温度下热处理步骤（2）中得到的固体残渣以提供电极催化剂的步骤（3）; 其中所述含过渡金属的化合物部分或全部为包含至少一种选自周期表第4族和第5族元素的过渡金属元素（M1）作为过渡金属元素的化合物。

5. 发明申请

US20120058415A1 CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF 有权
标题翻译：催化剂，其生产工艺及其使用
公开(公告)号：US20120058415A1
公开(公告)日：2012-03-08
申请号：US13319617
申请日：2010-05-11
申请人： Yasuaki Wakizaka , Ryuji Monden , Toshikazu Shishikura , Takuya Imai , Kenichiro Ota
发明人： Yasuaki Wakizaka , Ryuji Monden , Toshikazu Shishikura , Takuya Imai , Kenichiro Ota
IPC分类号： H01M4/90 , C07F19/00 , C07F7/28 , H01M8/10
CPC分类号： H01M4/9016 , B01J21/06 , B01J21/063 , B01J27/135 , B01J27/20 , B01J27/24 , B01J38/08 , H01M4/86 , H01M4/88 , Y02E60/50
摘要： [Object]The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability.[Solution]A catalyst of the invention includes a metal oxycarbonitride that contains titanium and at least one metal (hereinafter, also referred to as “metal M” or simply “M”) selected from silver, calcium, strontium, yttrium, ruthenium, lanthanum, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium.
摘要翻译：本发明提供在酸性电解质或高电位下不被腐蚀并且具有优异的耐久性和高的氧还原能力的催化剂。 [溶液]本发明的催化剂包括含有钛和至少一种选自银，钙，锶，钇，钌，镧的金属（以下也称为“金属M”或简称“M”）的金属碳氮氧化物镨，钕，ium，钐，铕，钆，铽，镝，钬，铒，ium，镱和镥。

6. 发明授权

US07919215B2 Corrosion resistant metal oxide electrode catalyst for oxygen reduction 有权
标题翻译：用于氧还原的耐腐蚀金属氧化物电极催化剂
公开(公告)号：US07919215B2
公开(公告)日：2011-04-05
申请号：US11660602
申请日：2005-08-18
申请人： Kenichiro Ota , Nobuyuki Kamiya , Shigenori Mitsushima , Akimitsu Ishihara , Liu Yan
发明人： Kenichiro Ota , Nobuyuki Kamiya , Shigenori Mitsushima , Akimitsu Ishihara , Liu Yan
IPC分类号： H01M4/02
CPC分类号： H01M4/9016 , H01M4/8605 , H01M8/1007
摘要： A corrosion-resistant electrode catalyst for oxygen reduction includes a main catalyst composed of at least one transition metal oxide selected from oxygen-deficient ZrO2, Ta2O5, Nb2O5, TiO2, V2O5, MoO3, and WO3 and a co-catalyst composed of gold. The electrode catalyst is used in contact with an acidic electrolyte at a potential at least 0.4 V higher than the reversible hydrogen electrode potential. The catalyst may be used, for example, in such a form that the transition metal oxide in the form of fine particles and gold in the form of fine particles, or fine particles including fine gold particles coated with the transition metal oxide are dispersed on a catalyst carrier which is an electron conductive powder. This electrode catalyst is suitable as an electrode catalyst for an electrochemical system using an acidic electrolyte in the fields of water electrolysis, inorganic/organic electrolysis, fuel cells, etc.
摘要翻译：用于氧还原的耐腐蚀电极催化剂包括由至少一种选自缺氧的ZrO 2，Ta 2 O 5，Nb 2 O 5，TiO 2，V 2 O 5，MoO 3和WO 3的过渡金属氧化物和由金组成的助催化剂构成的主催化剂。使用电极催化剂与酸性电解质接触，电位比可逆氢电极电位高至少0.4V的电位。催化剂可以使用例如以细颗粒形式的细颗粒形式的金属过渡金属氧化物或包含过渡金属氧化物涂覆的金颗粒的细颗粒分散在作为电子传导性粉末的催化剂载体。该电极催化剂适用于在水电解，无机/有机电解，燃料电池等领域中使用酸性电解质的电化学系统的电极催化剂。

7. 发明申请

US20120070763A1 CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF 审中-公开
标题翻译：催化剂，其生产工艺及其使用
公开(公告)号：US20120070763A1
公开(公告)日：2012-03-22
申请号：US13319637
申请日：2010-05-11
申请人： Ryuji Monden , Takuya Imai , Toshikazu Shishikura , Yasuaki Wakizaka , Kenichiro Ota
发明人： Ryuji Monden , Takuya Imai , Toshikazu Shishikura , Yasuaki Wakizaka , Kenichiro Ota
IPC分类号： H01M4/90 , C07F7/00 , C07F19/00 , H01M8/10
CPC分类号： H01M4/9016 , B01J27/22 , B01J27/24 , B01J37/08
摘要： The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability, and processes for producing the catalysts and uses of the catalysts. The catalyst of the invention includes a metal oxycarbonitride that contains at least one metal selected from tantalum, vanadium, molybdenum and zirconium (hereinafter, also referred to as “metal M” or simply “M”) and does not contain any of platinum, titanium and niobium.
摘要翻译：本发明提供在酸性电解质或高电位下不被腐蚀并且具有优异的耐久性和高氧还原能力的催化剂，以及催化剂的制备方法和催化剂的用途。本发明的催化剂包括含有至少一种选自钽，钒，钼和锆的金属（以下也称为“金属M”或简称为“M”）的金属碳氮氧化物，并且不含任何铂，钛和铌。

8. 发明授权

US07670712B2 Metal oxynitride electrode catalyst 有权
标题翻译：金属氮氧化物电极催化剂
公开(公告)号：US07670712B2
公开(公告)日：2010-03-02
申请号：US10581210
申请日：2004-11-30
申请人： Kenichiro Ota , Nobuyuki Kamiya , Shigenori Mitsushima , Akimitsu Ishihara , Kazunari Doumen , Michikazu Hara
发明人： Kenichiro Ota , Nobuyuki Kamiya , Shigenori Mitsushima , Akimitsu Ishihara , Kazunari Doumen , Michikazu Hara
IPC分类号： H01M4/90
CPC分类号： H01M4/90 , B01J27/24 , H01M4/9016 , H01M8/086
摘要： An electrode catalyst that maintains catalytic activity under conditions of an electrode potential as high as 0.4 V or above and exhibits improved stability. The metal oxynitride electrode catalyst is composed of an oxynitride containing at least one transition metal element selected from the group consisting of La, Ta, Nb, Ti, and Zr, the metal oxynitride electrode catalyst being used at a potential of 0.4 V or higher relative to the reversible hydrogen electrode potential in an acidic electrolyte. The metal oxynitride electrode catalyst is useful as an electrode catalyst for electrochemical systems used in acidic electrolytes in the fields of water electrolysis, organic electrolysis, fuel cells, etc.
摘要翻译：一种电极催化剂，其在电极电位高达0.4V或更高的条件下保持催化活性并表现出改进的稳定性。金属氧氮化物电极催化剂由含有选自La，Ta，Nb，Ti和Zr中的至少一种过渡金属元素的氧氮化物组成，金属氧氮化物电极催化剂以0.4V或更高的电位使用到酸性电解质中的可逆氢电极电位。金属氮氧化物电极催化剂可用作在水电解，有机电解，燃料电池等领域中用于酸性电解质的电化学体系的电极催化剂。

9. 发明授权

US09190670B2 Catalyst, production process therefor, and use thereof 有权
标题翻译：催化剂及其制备方法及其用途
公开(公告)号：US09190670B2
公开(公告)日：2015-11-17
申请号：US13266562
申请日：2010-04-27
申请人： Yasuaki Wakizaka , Takuya Imai , Toshikazu Shishikura , Ryuji Monden , Kenichiro Ota
发明人： Yasuaki Wakizaka , Takuya Imai , Toshikazu Shishikura , Ryuji Monden , Kenichiro Ota
IPC分类号： H01M4/86 , H01M4/90 , B01J27/24 , H01M8/10
CPC分类号： H01M4/9016 , B01J27/24 , H01M2008/1095 , Y02E60/50
摘要： The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal element M, carbon, nitrogen and oxygen, wherein the catalyst shows peaks at 1340 cm−1 to 1365 cm−1 and at 1580 cm−1 to 1610 cm−1 as analyzed by Raman spectroscopy and the metal element M is one selected from titanium, iron, niobium, zirconium and tantalum. The catalysts of the invention are stable and are not corroded in acidic electrolytes or at high potential, have high oxygen reducing ability and are inexpensive compared to platinum. Fuel cells having the catalysts are therefore relatively inexpensive and have high performance.
摘要翻译：本发明提供了在酸性电解质或高电位下不被腐蚀并具有优异的耐久性和高的氧还原能力的催化剂。催化剂包括金属元素M，碳，氮和氧，其中催化剂在1340cm -1至1365cm -1和1580cm -1至1610cm -1处显示出峰，通过拉曼光谱和金属元素M 是选自钛，铁，铌，锆和钽的一种。本发明的催化剂是稳定的，并且在酸性电解质或高电位下不被腐蚀，具有高的氧还原能力，并且与铂相比便宜。因此，具有催化剂的燃料电池相对便宜并具有高性能。

10. 发明授权

US08716167B2 Catalyst for fuel cell and polymer electrolyte fuel cell using the same 有权
标题翻译：用于燃料电池和聚合物电解质燃料电池的催化剂
公开(公告)号：US08716167B2
公开(公告)日：2014-05-06
申请号：US13376147
申请日：2010-06-02
申请人： Toshikazu Shishikura , Ryuji Monden , Kunchan Lee , Yasuaki Wakizaka , Kenichiro Ota
发明人： Toshikazu Shishikura , Ryuji Monden , Kunchan Lee , Yasuaki Wakizaka , Kenichiro Ota
IPC分类号： B01J21/18 , B01J27/20 , B01J27/24 , H01M4/02 , H01M4/13 , H01M4/58
CPC分类号： H01M4/9016 , B82Y30/00 , C01B32/20 , C04B35/58007 , C04B35/58021 , C04B35/6268 , C04B2235/3229 , C04B2235/3232 , C04B2235/3251 , C04B2235/3272 , C04B2235/3839 , C04B2235/3843 , C04B2235/3886 , C04B2235/3895 , C04B2235/424 , C04B2235/5454 , H01M4/8673 , H01M4/9083 , H01M2008/1095 , H01M2250/20 , Y02T90/32
摘要： [Problem] To provide a catalyst which has high oxygen reduction activity, also has excellent durability, and is inexpensive and excellent in electric power generation cost as compared with noble metal catalysts such as platinum.[Solution to problem] A catalyst for a polymer electrolyte fuel cell, including a graphitized carbon powder and a niobium oxycarbonitride or a titanium oxycarbonitride as an active substance, and a polymer electrolyte fuel cell using the catalyst.
摘要翻译：本发明提供一种氧化还原活性高的催化剂，耐久性优异，与铂等贵金属催化剂相比，成本低，发电成本优异。 [问题的解决方案]一种用于固体电解质燃料电池的催化剂，包括石墨化碳粉和铌碳氮氧化物或碳氮氧化钛作为活性物质，以及使用该催化剂的聚合物电解质燃料电池。

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