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公开(公告)号：US20120305389A1
公开(公告)日：2012-12-06
申请号：US13576811
申请日：2011-01-18
申请人： Miwako Nara , Eri Miyakawa , Yoshinori Nishiki
发明人： Miwako Nara , Eri Miyakawa , Yoshinori Nishiki
CPC分类号： C25B11/0494 , C25B11/0484 , Y02E60/366
摘要： The present invention aims to provide an activated cathode enabling a long-time stable operation with hydrogen overvoltage maintained at a low value, keeping a high remaining rate of the catalyst element after a cease of operation for a short-circuiting and after an electrolysis operation at a high current density, restricting catalyst loss to a little, and having a strong resistance to contamination caused by electrolyte impurity elements.The present invention relates to a cathode for hydrogen evolution with a catalyst layer formed on the cathode substrate, having, at least, three elements comprising platinum, cerium and palladium, as essential element, in a state of metal, metal oxide, or hydroxide, contained, where the mole fraction of respective element being x, y, and z, within a range of 5 mol %≦x≦90 mol %, 5 mol %≦y≦55 mol %, 5 mol %≦z≦65 mol %.
摘要翻译： 本发明的目的在于提供一种能够在氢过电压保持低值的情况下进行长时间稳定运行的活性阴极，在短路运转停止后和电解运转后保持催化剂元素的高残留率 高电流密度，将催化剂损失限制到少许，并且对电解质杂质元素引起的污染具有很强的抵抗力。 本发明涉及在金属，金属氧化物或氢氧化物的状态下，在阴极基板上形成有催化剂层的阴极，其具有至少三种包含铂，铈和钯作为必需元素的元素， 含有，其中各元素的摩尔分数为x，y和z在5mol％＆amp; NlE; x＆amp; NlE; 90mol％，5mol％＆amp; NlE; y＆amp; NlE; 55mol％，5mol％和nlE; z＆ 65摩尔％。
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公开(公告)号：US09133556B2
公开(公告)日：2015-09-15
申请号：US13576811
申请日：2011-01-18
申请人： Miwako Nara , Eri Miyakawa , Yoshinori Nishiki
发明人： Miwako Nara , Eri Miyakawa , Yoshinori Nishiki
CPC分类号： C25B11/0494 , C25B11/0484 , Y02E60/366
摘要： The present invention aims to provide an activated cathode enabling a long-time stable operation with hydrogen overvoltage maintained at a low value, keeping a high remaining rate of the catalyst element after a cease of operation for a short-circuiting and after an electrolysis operation at a high current density, restricting catalyst loss to a little, and having a strong resistance to contamination caused by electrolyte impurity elements.The present invention relates to a cathode for hydrogen evolution with a catalyst layer formed on the cathode substrate, having, at least, three elements comprising platinum, cerium and palladium, as essential element, in a state of metal, metal oxide, or hydroxide, contained, where the mole fraction of respective element being x, y, and z, within a range of 5 mol %≦x≦90 mol %, 5 mol %≦y≦55 mol %, 5 mol %≦z≦65 mol %.
摘要翻译： 本发明的目的在于提供一种能够在氢过电压保持低值的情况下进行长时间稳定运行的活性阴极，在短路运转停止后和电解运转后保持催化剂元素的高残留率 高电流密度，将催化剂损失限制到少许，并且对电解质杂质元素引起的污染具有很强的抵抗力。 本发明涉及在金属，金属氧化物或氢氧化物的状态下，在阴极基板上形成有催化剂层的阴极，其具有至少三种包含铂，铈和钯作为必需元素的元素， 含有，其中各元素的摩尔分数为x，y和z在5mol％＆amp; NlE; x＆amp; NlE; 90mol％，5mol％＆amp; NlE; y＆amp; NlE; 55mol％，5mol％和nlE; z＆ 65摩尔％。
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3.发明申请Electrolysis cell for synthesizing perchloric acid compound and method for electrolytically synthesizing perchloric acid compound 审中-公开用于合成高氯酸化合物的电解槽和电解合成高氯酸化合物的方法公开(公告)号：US20070170070A1
公开(公告)日：2007-07-26
申请号：US11657071
申请日：2007-01-24
申请人： Masaharu Uno , Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
发明人： Masaharu Uno , Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
CPC分类号： C25B1/28
摘要： The present invention provides an electrolysis cell for synthesizing a perchloric acid compound, the electrolysis cell having: a feedstock solution containing a chloride or a chloric acid compound; a cathode; and an anode having an electroconductive diamond as an anode substance, the anode electrolytically oxidizing the chloride or the chloric acid compound to synthesize the perchloric acid compound, and a method for electrolytically synthesizing a perchloric acid compound.
摘要翻译： 本发明提供了一种用于合成高氯酸化合物的电解槽，所述电解槽具有：含有氯化物或氯酸化合物的原料溶液; 阴极 和具有导电金刚石作为阳极物质的阳极，阳极电解氧化氯化物或氯酸化合物以合成高氯酸化合物，以及电解合成高氯酸化合物的方法。
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公开(公告)号：US06375827B1
公开(公告)日：2002-04-23
申请号：US09497644
申请日：2000-02-03
IPC分类号： C02F1461
CPC分类号： B01D53/326 , A61L2/035 , C02F1/46109 , C02F1/4672 , C02F1/4676 , C02F2001/46138 , C02F2101/305
摘要： An electrochemical treating apparatus comprising an electrolytic cell comprising an anode and a cathode spaced apart from the anode, the anode including an electrode material made of diamond and the cathode including an electrode material made of diamond. Also disclosed is an electrochemical treating method for electrochemically decomposing a substance contained in a gas or solution, which comprises introducing a gas or solution containing a substance to be treated into the electrolytic cell, passing an electric current through the electrolytic cell, and recovering a treated gas or solution. In a preferred embodiment, the electrolytic cell comprises an anode including an electrode material made of diamond, a cathode including an electrode material made of diamond and an ion exchange resin or an ion exchange membrane as an electrolyte disposed between the anode and the cathode.
摘要翻译： 一种电化学处理装置，包括电解槽，阳极和阴极与阳极间隔开，阳极包括由金刚石制成的电极材料，阴极包括由金刚石制成的电极材料。 还公开了一种用于电化学分解包含在气体或溶液中的物质的电化学处理方法，其包括将含有待处理物质的气体或溶液引入电解槽中，使电流通过电解槽，并回收处理过的 气体或溶液。 在优选实施例中，电解槽包括由金刚石制成的电极材料的阳极，包含由金刚石制成的电极材料的阴极和离子交换树脂或者设置在阳极和阴极之间的电解质的离子交换膜。
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公开(公告)号：US20060070874A1
公开(公告)日：2006-04-06
申请号：US11224081
申请日：2005-09-13
申请人： Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
发明人： Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
IPC分类号： C25B11/04
CPC分类号： C25B11/0478 , C25B11/0494
摘要： Highly active hydrogen evolving cathode using a platinum group metal catalyst in an amount smaller than that used in the conventional hydrogen evolving cathode. The hydrogen evolving cathode includes a conductive substrate, and a catalyst layer comprising at least one selected from the group consisting of silver and a silver oxide compound, and at least one selected from the group consisting of a platinum group metal, a platinum group metal oxide and a platinum group metal hydroxide, formed on a surface of the conductive substrate.
摘要翻译： 使用比常规放氢阴极中使用的量小的铂族金属催化剂的高活性氢放出阴极。 放氢阴极包括导电性基板和包含选自银和氧化银化合物中的至少一种的催化剂层，以及选自铂族金属，铂族金属氧化物 和铂族金属氢氧化物，形成在导电性基板的表面上。
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公开(公告)号：US06312571B1
公开(公告)日：2001-11-06
申请号：US09511989
申请日：2000-02-24
IPC分类号： C25B900
CPC分类号： C25B11/0484
摘要： An activated cathode comprising an electrically conductive substrate, an interlayer comprising a nickel oxide formed on the surface of the electrically conductive substrate, and a catalyst layer containing at least one lanthanum component selected from oxides and hydroxides of lanthanum metals and at least one platinum component selected from platinum metals and silver and oxides and hydroxides thereof formed on the interlayer. A process for the preparation of an activated cathode is also disclosed which comprises forming an interlayer comprising a nickel oxide on the surface of an electrically conductive substrate, and then forming a catalyst layer containing at least one lanthanum component selected from oxides and hydroxides of lanthanum metals and at least one platinum. component selected from platinum metals and silver and oxides and hydroxides thereof on the surface of the interlayer.
摘要翻译： 包括导电基底的活化阴极，包含形成在导电基底表面上的氧化镍的中间层和包含至少一种镧组分的催化剂层，所述镧组分选自镧金属的氧化物和氢氧化物以及至少一种铂组分 由铂金属和银和其在中间层上形成的氧化物和氢氧化物组成。 还公开了一种制备活性阴极的方法，其包括在导电基材的表面上形成包含氧化镍的中间层，然后形成含有至少一种选自镧金属的氧化物和氢氧化物的镧组分的催化剂层 和至少一个铂。 组分选自铂金属和银，以及它们在中间层表面上的氧化物和氢氧化物。
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公开(公告)号：US08070924B2
公开(公告)日：2011-12-06
申请号：US12053652
申请日：2008-03-24
申请人： Takeo Ohsaka , Shunsuke Sata , Miwako Nara , Yoshinori Nishiki
发明人： Takeo Ohsaka , Shunsuke Sata , Miwako Nara , Yoshinori Nishiki
CPC分类号： C25B1/04 , C25B11/0484 , H01M4/8657 , H01M4/9016 , H01M4/92 , H01M4/921 , H01M8/023 , H01M8/0234 , H01M8/0245 , Y02E60/366
摘要： The present invention provides an electrode for generation of hydrogen comprising: a conductive substrate; a catalytic layer formed on the conductive substrate and containing at least one platinum group metal selected from the group consisting of Pt, Ir, Ru, Pd and Rh; and a hydrogen adsorption layer formed on the catalytic layer. The present invention also provides an electrode for generation of hydrogen comprising: a conductive substrate, a catalytic layer formed on the conductive substrate and containing: at least one platinum group metal selected from the group consisting of Pt, Ir, Ru, Pd and Rh and/or at least one oxide of said platinum group metals; and at least one metal selected from the group consisting of lanthanum series metals, valve metals, iron series metals and silver and/or at least one oxide of said metals; and a hydrogen adsorption layer formed on the catalytic layer.
摘要翻译： 本发明提供一种用于产生氢的电极，包括：导电基板; 形成在所述导电性基板上并含有选自Pt，Ir，Ru，Pd和Rh中的至少一种铂族金属的催化剂层; 和形成在催化层上的氢吸附层。 本发明还提供了一种用于产生氢的电极，包括：导电基底，形成在导电基底上的催化层，并含有：选自Pt，Ir，Ru，Pd和Rh中的至少一种铂族金属和 /或所述铂族金属的至少一种氧化物; 和选自镧系金属，阀金属，铁系金属和银的至少一种金属和/或所述金属的至少一种氧化物; 和形成在催化层上的氢吸附层。
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公开(公告)号：US07232509B2
公开(公告)日：2007-06-19
申请号：US11224081
申请日：2005-09-13
申请人： Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
发明人： Miwako Nara , Yoshinori Nishiki , Tsuneto Furuta
CPC分类号： C25B11/0478 , C25B11/0494
摘要： Highly active hydrogen evolving cathode using a platinum group metal catalyst in an amount smaller than that used in the conventional hydrogen evolving cathode. The hydrogen evolving cathode includes a conductive substrate, and a catalyst layer comprising at least one selected from the group consisting of silver and a silver oxide compound, and at least one selected from the group consisting of a platinum group metal, a platinum group metal oxide and a platinum group metal hydroxide, formed on a surface of the conductive substrate.
摘要翻译： 使用比常规放氢阴极中使用的量小的铂族金属催化剂的高活性氢放出阴极。 放氢阴极包括导电性基板和包含选自银和氧化银化合物中的至少一种的催化剂层，以及选自铂族金属，铂族金属氧化物 和铂族金属氢氧化物，形成在导电性基板的表面上。
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公开(公告)号：US07217347B2
公开(公告)日：2007-05-15
申请号：US10823752
申请日：2004-04-14
申请人： Masashi Hosonuma , Miwako Nara , Masaharu Uno , Yoshinori Nishiki , Tsuneto Furuta , Tateki Kurosu , Osamu Fukunaga , Tetsuro Tojo
发明人： Masashi Hosonuma , Miwako Nara , Masaharu Uno , Yoshinori Nishiki , Tsuneto Furuta , Tateki Kurosu , Osamu Fukunaga , Tetsuro Tojo
IPC分类号： C25B11/12
CPC分类号： C25B11/0478 , C02F1/46114 , C02F1/4672 , C02F2001/46142 , Y10T428/30
摘要： A diamond electrode having a prolonged life by combining a conventional diamond electrode having a relatively short life with other components is provided. A diamond electrode for electrolysis includes an electrode substrate, at least the surface of which comprises Magneli phase titanium oxide, and conductive diamond supported as an electrode catalyst on a surface of the electrode. The electrode catalyst may contain a titanium oxide powder. Magneli phase titanium oxide improves conductivity without forming a stable oxide layer on the substrate surface.
摘要翻译： 提供了通过将具有相对短寿命的常规金刚石电极与其它组分组合而具有延长使用寿命的金刚石电极。 用于电解的金刚石电极包括至少其表面包含Magneli相氧化钛的电极基底和在电极表面上作为电极催化剂负载的导电金刚石。 电极催化剂可以含有氧化钛粉末。 Magneli相二氧化钛改善导电性，而在基材表面上形成稳定的氧化物层。
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公开(公告)号：US07959774B2
公开(公告)日：2011-06-14
申请号：US12398234
申请日：2009-03-05
CPC分类号： C25B11/0478 , C25B11/0473 , C25B11/0484 , Y02E60/366
摘要： The present invention provides a cathode for hydrogen generation comprising a cathode substrate having provided thereon a catalytic layer, wherein the catalytic layer contains at least three components of platinum, cerium and lanthanum in amounts of 50 to 98 mol %, 1 to 49 mol % and 1 to 49 mol %, respectively, in the form of metal, metal oxide or metal hydroxide.
摘要翻译： 本发明提供了一种用于氢气生成的阴极，其包括在其上设置有催化剂层的阴极基底，其中所述催化剂层含有至少三种组分的铂，铈和镧，含量为50至98摩尔％，1至49摩尔％，和 分别为金属，金属氧化物或金属氢氧化物形式的1〜49摩尔％。
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