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11. 发明专利

JP2004057947A Exhaust gas treatment catalyst 审中-公开
公开(公告)号：JP2004057947A
公开(公告)日：2004-02-26
申请号：JP2002220297
申请日：2002-07-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO , HIRATA HIROTO
IPC分类号： F01N3/10 , B01D53/94 , B01J23/66 , B01J23/89
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas treatment catalyst capable of directly decomposing nitrogen oxides, particularly NO, contained in an exhaust gas discharged out of an internal combustion engine and scarcely deteriorated in catalytic activity by O 2 produced by the decomposition. SOLUTION: The exhaust gas treatment catalyst is produced by depositing a noble metal on the surface of a conductive oxide mixture in which Ag and/or Au exists in form of a solid solution. COPYRIGHT: (C)2004,JPO

12. 发明专利

JP2013235812A Electrode catalyst for fuel cell and method for producing the same 审中-公开
标题翻译：燃料电池用电极催化剂及其制造方法
公开(公告)号：JP2013235812A
公开(公告)日：2013-11-21
申请号：JP2012223395
申请日：2012-10-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO , MATSUMOTO SHINICHI
IPC分类号： H01M4/90 , B01J23/89 , H01M4/86 , H01M4/88 , H01M4/92 , H01M4/96 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a noble metal supported electrode catalyst having high mass activity, and a simple and economical method for producing the noble metal supported electrode catalyst.SOLUTION: The present invention relates to an electrode catalyst including: catalyst particles comprising an alloy of noble metal and transition metal; and a carrier supporting the catalyst particles. The number of the catalyst particles having a particle size of 3.5 nm or less and a content ratio of the transition metal of 3 at.% or more is 50% or more relative to the number of the all catalyst particles.
摘要翻译：要解决的问题：提供一种具有高质量活性的贵金属负载电极催化剂，以及制备贵金属负载电极催化剂的简单且经济的方法。电解质催化剂技术领域本发明涉及一种电极催化剂，其包括：催化剂颗粒，其包含合金的贵金属和过渡金属; 和负载催化剂颗粒的载体。粒径为3.5nm以下，过渡金属的含有比例为3原子％以上的催化剂粒子数相对于全部催化剂粒子的数量为50％以上。

13. 发明专利

JP2012120949A Method for producing platinum/palladium core-shell catalyst 有权
标题翻译：生产铂/钯核壳催化剂的方法
公开(公告)号：JP2012120949A
公开(公告)日：2012-06-28
申请号：JP2010271784
申请日：2010-12-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KODAMA TOMOKI , KAWAMURA TETSUO
IPC分类号： B01J23/44 , B01J35/08 , H01M4/88 , H01M4/90 , H01M4/92
CPC分类号： Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a method for improving the coverage of platinum on a palladium surface, and to provide a core-shell catalyst having high coverage of platinum.SOLUTION: The method for producing the core-shell catalyst formed of palladium covered with platinum, includes a step of mixing platinum complex salt that dissociates into platinum complex cation in a solution and palladium.
摘要翻译：要解决的问题：提供一种改善钯表面上铂的覆盖率的方法，并提供具有高铂覆盖度的核 - 壳催化剂。解决方案：由铂覆盖的钯形成的核 - 壳催化剂的制造方法包括将铂络合物盐溶解在溶液中的铂络合物阳离子和钯中的步骤。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2007335338A Method for manufacturing electrode catalyst for fuel cell, electrode catalyst for fuel cell and polymer electrolyte fuel cell equipped with the same 审中-公开
标题翻译：用于燃料电池的电极催化剂的制造方法，用于燃料电池的电极催化剂和其配备的聚合物电解质燃料电池的方法
公开(公告)号：JP2007335338A
公开(公告)日：2007-12-27
申请号：JP2006168284
申请日：2006-06-19
申请人： Osaka Prefecture Univ , Toyota Motor Corp , トヨタ自動車株式会社 , 公立大学法人大阪府立大学
发明人： KAWAMURA TETSUO , TAKAHASHI HIROAKI , MAEDA YASUAKI , NISHIMURA ROKURO , OKITSU KENJI
IPC分类号： H01M4/88 , B01J23/42 , B01J37/02 , B01J37/34 , H01M4/86 , H01M4/96 , H01M8/10
CPC分类号： H01M4/8605 , H01M4/8828 , H01M4/9083 , H01M4/926 , H01M8/1007 , Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrode catalyst for a fuel cell enhancing use efficiency of a precious metal catalyst by suppressing carrying of the catalyst to inside of pores of a carrier in a simple manner and improving power generation performance, and to provide the electrode catalyst for the fuel cell, and a polymer electrolyte fuel cell equipped with the electrode catalyst for the fuel cell and capable of obtaining high cell output. SOLUTION: The method for manufacturing the electrode catalyst for the fuel cell includes an immersion process (process A) of immersing one type or more selected from a catalyst component, the carrier comprising conductive particles and polyelectrolyte in a solvent; a catalyst carrying process (process B) of making the carrier carry the catalyst component; and a reaction site producing process (process C) for making the polyelectrolyte adhere to the catalyst carrying carrier. In at least one of the process A, process B and process C, ultrasonic waves are applied. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题的方案：提供一种制造燃料电池用电极催化剂的方法，其通过以简单的方式抑制催化剂进入载体孔内并提高发电量来提高贵金属催化剂的使用效率并且提供用于燃料电池的电极催化剂，以及配备有用于燃料电池的电极催化剂并且能够获得高电池输出的聚合物电解质燃料电池。解决方案：用于制造燃料电池用电极催化剂的方法包括将选自催化剂组分，载体包含导电颗粒和聚电解质的载体浸入溶剂中的浸渍方法（方法A）使载体携带催化剂组分的催化剂携带方法（方法B）; 和用于使聚电解质粘附到催化剂载体上的反应部位制造方法（方法C）。在方法A，方法B和方法C中的至少一个中，施加超声波。版权所有（C）2008，JPO＆INPIT

15. 发明专利

JP2005246208A Catalyst for cleaning exhaust gas 有权
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2005246208A
公开(公告)日：2005-09-15
申请号：JP2004059158
申请日：2004-03-03
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO
IPC分类号： B01D53/94 , B01J23/58 , C01G23/00
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning exhaust gas, which has high thermal durability. SOLUTION: This catalyst for cleaning exhaust gas is composed of a catalyst depositing layer and a noble metal catalyst and a NOx storage material which are deposited on the catalyst depositing layer. A compound oxide which is shown by the formula: A x B y O z (wherein A is at least one metal selected from alkali metals and alkaline-earth metals; B is at least one metal selected from transition metals and rare-earth metals; 0 COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有高热耐久性的用于净化废气的催化剂。解决方案：用于清洁废气的催化剂由沉积在催化剂沉积层上的催化剂沉积层和贵金属催化剂和NOx储存材料组成。由下式表示的复合氧化物：其中A是选自碱金属和/或碱金属中的至少一种金属，碱土金属; B是选自过渡金属和稀土金属中的至少一种金属; 0

16. 发明专利

JP2004066173A Emission gas purification catalyst and emission gas purification reactor 审中-公开
标题翻译：排放气体净化催化剂和排放气体净化反应器
公开(公告)号：JP2004066173A
公开(公告)日：2004-03-04
申请号：JP2002231792
申请日：2002-08-08
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO
IPC分类号： F01N3/08 , B01D53/94 , B01J23/46 , B01J23/58 , B01J23/63 , B01J23/89 , B01J29/42 , F01N3/10 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To provide an emission gas purification catalyst capable of decomposing and removing NO X contained in the exhaust gas of an internal combustion engine, reducing the decline of decomposition activity of NO X by oxygen generated by the decomposition, and capable of effectively decomposing NO X even at a temperature of 500°C or higher, and an emission gas purification reactor. SOLUTION: In the emission gas purification catalyst, a surface layer supporting an NO X decomposing catalyst on a mixed conductive oxide molding, and a surface layer containing a catalyst capable of generating hydrogen from a component in the emission gas discharged from the internal combustion engine are formed. In the emission gas purification reactor, an anode is formed on one side surface of oxygen ion conductivity oxide having at least two opposing surfaces, and a cathode is formed on the other surface thereof. The surface layer containing the catalyst capable of generating hydrogen from the component in the emission gas discharged from the internal combustion engine is formed on the surface of the anode, a direct-current power supply is connected in between these electrodes, and direct voltage is applied thereto. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供能够分解和除去内燃机排气中的NOS SB X X SB的排放气体净化催化剂，减少NO X 由分解产生的氧，即使在500℃以上的温度也能够有效分解NO X 和排气净化反应器。解决方案：在排放气体净化催化剂中，在混合的导电氧化物模制件上具有支撑NOS / SB> X SB分解催化剂的表面层，以及含有能够从组分中产生氢的催化剂的表面层形成从内燃机排出的排放气体。在排放气体净化反应器中，在具有至少两个相对表面的氧离子传导性氧化物的一个侧表面上形成阳极，并且在其另一个表面上形成阴极。在阳极表面上形成含有能够从内燃机排出的排放气体中的成分产生氢的催化剂的表面层，在这些电极之间连接有直流电源，并施加直流电压于此。版权所有（C）2004，JPO

17. 发明专利

JP2003265965A CATALYST FOR CLEANING EXHAUST GAS 审中-公开
公开(公告)号：JP2003265965A
公开(公告)日：2003-09-24
申请号：JP2002072308
申请日：2002-03-15
申请人： TOYOTA MOTOR CORP
发明人： KAWAMURA TETSUO
IPC分类号： B01D53/94 , B01D53/86 , B01J29/46
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas which exhibits high NO x -cleaning performance under a high temperature lean atmosphere. SOLUTION: In the catalyst for cleaning the exhaust gas, a catalyst component is supported on a flat surface of at least one side of a mixed electroconductive oxide formed body, and an HC adsorbing layer is formed on a flat surface of the other side. The mixed electroconductive oxide formed body is preferably formed of at least one kind of double (multiple) oxide selected from CeO 2 -Y 2 O 3 , ZrO 2 -Y 2 O 3 , Bi 2 O 3 -Y 2 O 3 , La 2 O 3 -SrO-Ga 2 O 3 -MgO-CoO, La 2 O 3 -SrO-Ga 2 O 3 -MgO, and BaO-In 2 O 3 , and a preferable catalyst component is one kind selected from transition metals. The mixed electroconductive oxide formed body has a thickness of 10 to 500 μm. COPYRIGHT: (C)2003,JPO

18. 发明专利

JP2013164929A Method of producing electrode catalyst for fuel cell 审中-公开
标题翻译：生产燃料电极催化剂的方法
公开(公告)号：JP2013164929A
公开(公告)日：2013-08-22
申请号：JP2012026448
申请日：2012-02-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO
IPC分类号： H01M4/88 , H01M4/86 , H01M4/90 , H01M4/92 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a method of producing an electrode catalyst for fuel cell capable of enhancing the catalyst performance of catalyst particles consisting of platinum or a platinum alloy.SOLUTION: The method of producing an electrode catalyst for fuel cell, where the carrier particles 2 consisting of metal oxide are carrying catalyst particles 5 consisting of platinum or a platinum alloy, includes a step for coating the surface of the carrier particles 2 with a carbon film 6 consisting of the carbon derived from hydrocarbon gas by steam modification reaction, by bringing the hydrocarbon gas and steam into contact with the surface of the carrier particles 2 while heating, and a step for heat-treating the carrier particles 2 coated with the carbon film so as to accelerate crystallization of carbon in the carbon film 6.
摘要翻译：要解决的问题：提供一种能够提高由铂或铂合金构成的催化剂粒子的催化剂性能的燃料电池用电极催化剂的制造方法。解决方案：制造燃料电池用电极催化剂的方法，其中载体由金属氧化物构成的颗粒2载有由铂或铂合金组成的催化剂颗粒5，包括通过蒸汽改性反应用由碳氢化合物气体衍生的碳组成的碳膜6涂覆载体颗粒2的表面的步骤，通过在加热的同时使烃气体和蒸汽与载体颗粒2的表面接触，并且对涂覆有碳膜的载体颗粒2进行热处理以加速碳膜6中的碳结晶的步骤。

19. 发明专利

JP2012035178A Method for manufacturing catalyst, and catalyst 审中-公开
标题翻译：制备催化剂和催化剂的方法
公开(公告)号：JP2012035178A
公开(公告)日：2012-02-23
申请号：JP2010176404
申请日：2010-08-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO
IPC分类号： B01J37/08 , B01J23/89 , H01M4/88 , H01M4/90 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a core shell type catalyst, having an excellent coating state of a core metal with a shell metal, in a simple process efficiently; and to provide a core shell type catalyst having an excellent coating state of a core metal with a shell metal.SOLUTION: The manufacturing method of a catalyst having a catalyst metal carried on a conductive carrier includes a potential reduction step of heating a suspension of a metal microparticle being an alloy microparticle carried on the conductive carrier to reduce the suspension potential, and a modification step of dissolving a catalyst metal compound containing the catalyst metal in the suspension whose liquid potential has been reduced to modify the metal microparticle surface with the catalyst metal, wherein the method includes an elution step, before the modification step, of eluting and removing an added metal element in the alloy microparticle from the alloy microparticle surface.
摘要翻译：要解决的问题：提供一种制造芯壳型催化剂的方法，其以有效的简单方法具有芯壳金属与外壳金属的优异涂覆状态; 并提供具有壳金属的芯金属的优异涂覆状态的核壳型催化剂。解决方案：具有承载在导电载体上的催化剂金属的催化剂的制造方法包括：电位还原步骤，其加热作为承载在导电载体上的合金微粒的金属微粒的悬浮液以降低悬浮电位，将含有催化剂金属的催化剂金属化合物溶解在液体电位降低的悬浮液中以用催化剂金属改性金属微粒表面的改性步骤，其中所述方法包括洗脱步骤，在改性步骤之前，洗脱和除去从合金微粒表面在合金微粒中添加金属元素。版权所有（C）2012，JPO＆INPIT

20. 发明专利

JP2008091264A Cathode for fuel cell and solid polymer electrolyte fuel cell equipped with this 审中-公开
标题翻译：燃料电池阴极和固体聚合物电解质燃料电池
公开(公告)号：JP2008091264A
公开(公告)日：2008-04-17
申请号：JP2006272837
申请日：2006-10-04
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KAWAMURA TETSUO , TAKAHASHI HIROAKI
IPC分类号： H01M4/86 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a cathode with excellent electrode characteristics against oxygen reduction reaction and a solid polymer fuel cell equipped with it capable of obtaining a high battery output. SOLUTION: Of the solid polymer fuel cell provided with an anode, a cathode, and a polymer electrolyte film arranged between the anode and the cathode, the cathode is provided with a catalyst layer consisting of a catalyst-carrying conductor and polymer electrolyte, and the catalyst-carrying conductor further carries an oxygen-absorbing and -discharging body made of pyrochlore type Ce 2 Zr 2 O 7 . COPYRIGHT: (C)2008,JPO&INPIT

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