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1. 发明授权

US07749935B2 Catalyst carrier and fuel cell using the same 有权
标题翻译：催化剂载体和使用其的燃料电池
公开(公告)号：US07749935B2
公开(公告)日：2010-07-06
申请号：US11041972
申请日：2005-01-26
申请人： Ken-ichiro Ota , Akimitsu Ishihara , Satoshi Iinou , Akinori Sudoh
发明人： Ken-ichiro Ota , Akimitsu Ishihara , Satoshi Iinou , Akinori Sudoh
IPC分类号： B01J21/18 , B01J23/00 , B01J23/40 , D01F9/12
CPC分类号： B01J21/185 , B01J23/42 , B01J35/006 , B01J35/023 , B01J35/1014 , B01J37/0036 , B01J37/031 , B01J37/16 , B82Y30/00 , H01M4/8605 , H01M4/9041 , H01M4/9083 , H01M8/1004 , Y02P70/56 , Y10S977/742 , Y10S977/844
摘要： A catalyst carrier, being characterized in that a catalyst metal for promoting an oxidation-reduction reaction is carried on a vapor-grown carbon fiber having an average outer diameter of from 2 nm to 500 nm, which has been subjected to a crushing treatment so as to have a BET specific surface area of from 4 m2/g to 100 m2/g and an aspect ratio of from 1 to 200, and exhibiting high activity per unit amount of a catalyst metal, a low reaction resistance and an improved output density, and is useful for a fuel cell; a production method thereof and a fuel cell using the catalyst carrier.
摘要翻译：一种催化剂载体，其特征在于用于促进氧化还原反应的催化剂金属在经过破碎处理的平均外径为2nm至500nm的气相生长碳纤维上进行，以便具有4m 2 / g至100m 2 / g的BET比表面积和1至200的纵横比，并且每单位量催化剂金属具有高活性，低反应性和改善的输出密度，并且可用于燃料电池; 其制造方法和使用催化剂载体的燃料电池。

2. 发明授权

US07919427B2 Catalyst carrier and fuel cell using the same 有权
标题翻译：催化剂载体和使用其的燃料电池
公开(公告)号：US07919427B2
公开(公告)日：2011-04-05
申请号：US12769591
申请日：2010-04-28
申请人： Ken-ichiro Ota , Akimitsu Ishihara , Satoshi Iinou , Akinori Sudoh
发明人： Ken-ichiro Ota , Akimitsu Ishihara , Satoshi Iinou , Akinori Sudoh
IPC分类号： B01J21/18 , B01J23/00 , B01J23/40 , B01J23/74 , D01F9/12
CPC分类号： B01J21/185 , B01J23/42 , B01J35/006 , B01J35/023 , B01J35/1014 , B01J37/0036 , B01J37/031 , B01J37/16 , B82Y30/00 , H01M4/8605 , H01M4/9041 , H01M4/9083 , H01M8/1004 , Y02P70/56 , Y10S977/742 , Y10S977/844
摘要： A catalyst carrier, being characterized in that a catalyst metal for promoting an oxidation-reduction reaction is carried on a vapor-grown carbon fiber having an average outer diameter of from 2 nm to 500 nm, which has been subjected to a crushing treatment so as to have a BET specific surface area of from 4 m2/g to 100 m2/g and an aspect ratio of from 1 to 200, and exhibiting high activity per unit amount of a catalyst metal, a low reaction resistance and an improved output density, and is useful for a fuel cell; a production method thereof and a fuel cell using the catalyst carrier.
摘要翻译：一种催化剂载体，其特征在于用于促进氧化还原反应的催化剂金属在经过破碎处理的平均外径为2nm至500nm的气相生长碳纤维上进行，以便具有4m 2 / g至100m 2 / g的BET比表面积和1至200的纵横比，并且每单位量催化剂金属具有高活性，低反应性和改善的输出密度，并且可用于燃料电池; 其制造方法和使用催化剂载体的燃料电池。

3. 发明申请

US20100279202A1 ELECTRODE CATALYST AND OXYGEN REDUCTION ELECTRODE FOR CATHODE USING THE SAME 审中-公开
标题翻译：电极催化剂和氧气还原电极，用于阴极使用
公开(公告)号：US20100279202A1
公开(公告)日：2010-11-04
申请号：US12741493
申请日：2008-10-30
申请人： Ken-ichiro Ota , Shigenori Mitsushima , Akimitsu Ishihara , Yoshiro Ohgi
发明人： Ken-ichiro Ota , Shigenori Mitsushima , Akimitsu Ishihara , Yoshiro Ohgi
IPC分类号： H01M8/12
CPC分类号： H01M4/9016 , H01M2008/1095
摘要： An electrode catalyst for an oxygen reduction electrode for use in a cathode of a polymer electrolyte fuel cell, produced by oxidizing ZrCN, wherein ZrCN and ZrO2 are detected by X-ray diffraction of the electrode catalyst, the electrode catalyst has an ionization potential of 5.0 to 6.0 eV, and ZrO2 is detected by X-ray photoelectron spectroscopy of the electrode catalyst.
摘要翻译：电极催化剂的电离电位为5.0以下，通过氧化ZrCN而制造的固体电解质型燃料电池用阴极中的氧还原电极，其中ZrCN和ZrO 2通过电极催化剂的X射线衍射检测，至6.0eV，通过电极催化剂的X射线光电子能谱检测ZrO 2。

4. 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。

5. 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。

6. 发明申请

US20140224665A1 SEMICONDUCTOR MATERIAL, OPTICAL HYDROGEN GENERATING DEVICE USING SAME, AND METHOD OF PRODUCING HYDROGEN 有权
标题翻译：半导体材料，使用其的光学氢生成装置和生产氢的方法
公开(公告)号：US20140224665A1
公开(公告)日：2014-08-14
申请号：US14342489
申请日：2012-08-31
申请人： Kazuhito Hato , Kenichi Tokuhiro , Takahiro Suzuki , Takaiki Nomura , Kenichiro Ota , Akimitsu Ishihara
发明人： Kazuhito Hato , Kenichi Tokuhiro , Takahiro Suzuki , Takaiki Nomura , Kenichiro Ota , Akimitsu Ishihara
IPC分类号： B01J27/24 , C25B1/00 , C25B1/04 , C25B9/00
CPC分类号： B01J27/24 , B01J19/127 , B01J35/004 , B01J37/347 , C01B3/042 , C25B1/003 , C25B1/04 , C25B9/00 , C25B9/06 , Y02E60/364 , Y02E60/366
摘要： A semiconductor material of the present invention is a semiconductor material including an oxynitride containing at least one element selected from the Group 4 elements and Group 5 elements. In the oxynitride, part of at least one selected from oxygen and nitrogen is substituted with carbon. Nb is preferable as the Group 5 element.
摘要翻译：本发明的半导体材料是包含含有选自第4族元素和第5族元素中的至少一种元素的氮氧化物的半导体材料。在氧氮化物中，选自氧和氮中的至少一种的一部分被碳取代。 Nb优选为第5族元素。

7. 发明申请

US20070128884A1 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：US20070128884A1
公开(公告)日：2007-06-07
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： H01L21/31
CPC分类号： H01M4/90 , B01J27/24 , H01M4/9016 , H01M8/086
摘要： [Problems] Carbides and many other non-platinum-based compounds are activated and dissolved and cannot be stably present in an acidic electrolyte under conditions of an electrode potential as high as 0.4 V or above, and thus, the application range of these compounds as an electrode catalyst is limited to low electrode potentials. There has been need for development of an electrode catalyst that maintains catalytic activity under these conditions and exhibits improved stability. [Means for Solving Problems] To provide a metal oxynitride electrode catalyst 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： [问题]硬质合金和许多其它非铂类化合物被活化和溶解，并且在电极电位高达0.4V或更高的条件下不能稳定地存在于酸性电解质中，因此这些化合物的应用范围为电极催化剂限于低电极电位。需要开发在这些条件下保持催化活性的电极催化剂，并表现出改进的稳定性。解决问题的手段为了提供一种由含有选自La，Ta，Nb，Ti和Zr中的至少一种过渡金属元素的氧氮化物构成的金属氧氮化物电极催化剂，所述金属氧氮化物电极催化剂用于相对于酸性电解质中的可逆氢电极电位，电位为0.4V以上。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。

8. 发明授权

US09630169B2 Semiconductor material, optical hydrogen generating device using same, and method of producing hydrogen 有权
公开(公告)号：US09630169B2
公开(公告)日：2017-04-25
申请号：US14342489
申请日：2012-08-31
申请人： Kazuhito Hato , Kenichi Tokuhiro , Takahiro Suzuki , Takaiki Nomura , Kenichiro Ota , Akimitsu Ishihara
发明人： Kazuhito Hato , Kenichi Tokuhiro , Takahiro Suzuki , Takaiki Nomura , Kenichiro Ota , Akimitsu Ishihara
IPC分类号： B01J27/24 , B01J19/12 , B01J37/34 , B01J35/00 , C01B3/04 , C25B1/00 , C25B1/04 , C25B9/00 , C25B9/06
CPC分类号： B01J27/24 , B01J19/127 , B01J35/004 , B01J37/347 , C01B3/042 , C25B1/003 , C25B1/04 , C25B9/00 , C25B9/06 , Y02E60/364 , Y02E60/366
摘要： A semiconductor material of the present invention is a semiconductor material including an oxynitride containing at least one element selected from the Group 4 elements and Group 5 elements. In the oxynitride, part of at least one selected from oxygen and nitrogen is substituted with carbon. Nb is preferable as the Group 5 element.

9. 发明申请

US20070259267A1 Metal Oxide Electrode Catalyst 有权
标题翻译：金属氧化物电极催化剂
公开(公告)号：US20070259267A1
公开(公告)日：2007-11-08
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： H01M4/58
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的过渡金属氧化物组成的主催化剂 Nb 2 O 5，TiO 2，V 2 O 5，N 2 O 5， N 3，MoO 3 3和WO 3以及由金组成的助催化剂。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。催化剂可以例如以细颗粒形式的细小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细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。

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