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1.发明公开POSITIVE ELECTRODE FOR ALKALINE WATER ELECTROLYSIS 有权POSITIVELEKTRODEFÜRALKALISCHE WASSERELEKTROLYSE
公开(公告)号：EP3064614A1
公开(公告)日：2016-09-07
申请号：EP14858854.4
申请日：2014-10-29
申请人： National University Corporation Yokohama National University , Kawasaki Jukogyo Kabushiki Kaisha , De Nora Permelec Ltd.
发明人： ICHIKAWA Hiroki , MITSUSHIMA Shigenori , NAGASHIMA Ikuo , SUNADA Yoshio , KATO Akihiro , YIN Liang , MANABE Akiyoshi , NISHIKI Yoshinori
CPC分类号： C25B11/0405 , B01J23/78 , C25B1/04 , C25B11/0415 , C25B11/0431 , C25B11/0447 , C25B11/0478 , Y02E60/366 , Y02E70/10 , Y02P20/133 , Y02P20/134
摘要： An anode for alkaline water electrolysis includes a conductive substrate having at least a surface made of nickel or a nickel-base alloy and a lithium-containing nickel oxide catalytic layer formed on a surface of the substrate. The molar ratio (Li/Ni) of lithium and nickel in the catalytic layer is in the range of 0.005 to 0.15.
摘要翻译： 用于碱水电解的阳极包括至少具有由镍或镍基合金制成的表面的导电基材和在基材的表面上形成的含锂的氧化镍催化层。 催化剂层中锂和镍的摩尔比（Li / Ni）在0.005〜0.15的范围内。
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公开(公告)号：EP3511443A1
公开(公告)日：2019-07-17
申请号：EP17848899.5
申请日：2017-09-11
申请人： De Nora Permelec Ltd , National University Corporation Yokohama National University , Kawasaki Jukogyo Kabushiki Kaisha
发明人： MITSUSHIMA Shigenori , FUJITA Sho , NAGASHIMA Ikuo , NISHIKI Yoshinori , MANABE Akiyoshi , KATO Akihiro
摘要： Provided is a method capable of producing, in a simple and low-cost manner, an electrolysis electrode which can be used in alkaline water electrolysis and has superior durability against output variation. The method for producing an anode for alkaline water electrolysis includes: a step of dissolving lithium nitrate and a nickel carboxylate in water to prepare an aqueous solution containing lithium ions and nickel ions, a step of applying the aqueous solution to the surface of a conductive substrate having at least the surface composed of nickel or a nickel-based alloy, and a step of subjecting the conductive substrate to which the aqueous solution has been applied to a heat treatment at a temperature within a range from at least 450°C to not more than 600°C, thereby forming a catalyst layer composed of a lithium-containing nickel oxide on the conductive substrate.
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公开(公告)号：EP4119700A1
公开(公告)日：2023-01-18
申请号：EP21768565.0
申请日：2021-03-08
申请人： De Nora Permelec Ltd , KAWASAKI JUKOGYO KABUSHIKI KAISHA , NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
发明人： MITSUSHIMA Shigenori , KURODA Yoshiyuki , TAKATSU Shohei , NAGASHIMA Ikuo , TANIGUCHI Tatsuya , INOMATA Akihiko , NAGAI Ayaka , NISHIKI Yoshinori , KATO Akihiro , ZAENAL Awaludin , NAKAI Takaaki
摘要： The present invention realizes industrially excellent effects such that when electric power having a large output fluctuation, such as renewable energy, is used as a power source, electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a longer period of time, and in addition, the present invention provides a technique that enables forming a catalyst layer of an oxygen generation anode, which gives such excellent effects, with a more versatile materials and by a simple electrolysis method. Provided are an alkaline water electrolysis method including supplying an electrolyte obtained by dispersing a catalyst containing a hybrid nickel-iron hydroxide nanosheet (NiFe-ns) being a composite of a metal hydroxide and an organic substance to an anode chamber and a cathode chamber, and using the electrolyte for electrolysis in each chamber in common, an alkaline water electrolysis method including supplying an electrolyte obtained by dispersing a catalyst containing the NiFe-ns to an anode chamber and a cathode chamber, and performing electrolytic deposition of the NiFe-ns in the electrolytic cell during operation to electrolytically deposit the NiFe-ns on a surface of an electrically conductive substrate having a catalyst layer formed on a surface of an oxygen generation anode, thereby recovering and improving electrolysis performance, and an alkaline water electrolysis anode.
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公开(公告)号：EP3763849A1
公开(公告)日：2021-01-13
申请号：EP19763900.8
申请日：2019-03-04
申请人： De Nora Permelec Ltd , National University Corporation YOKOHAMA National University , Kawasaki Jukogyo Kabushiki Kaisha
发明人： MITSUSHIMA Shigenori , KURODA Yoshiyuki , NAGASHIMA Ikuo , TANIGUCHI Tatsuya , NISHIKI Yoshinori , KATO Akihiro , ZAENAL Awaludin , TSUJII Fumiya , NAKAI Takaaki
摘要： The present invention provides an electrode for electrolysis in which electrolysis performance is hard to deteriorate and excellent catalytic activity is kept stable over a long period of time even when electric power in which there is a large fluctuation in output, such as renewable energy, is used as a power source. The electrode for electrolysis is an electrode 10 for electrolysis provided with an electrically conductive substrate 2 at least the surface of which contains nickel or a nickel-based alloy, an intermediate layer 4 formed on the surface of the electrically conductive substrate 2 and containing a lithium-containing nickel oxide represented by composition formula Li x Ni 2-x O 2 (0.02≤x≤0.5), and a catalyst layer 6 of a nickel cobalt spinel oxide, an iridium oxide, or the like, the catalyst layer 6 formed on the surface of the intermediate layer 4.
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公开(公告)号：EP3633071A1
公开(公告)日：2020-04-08
申请号：EP18806725.0
申请日：2018-04-02
发明人： MITSUSHIMA Shigenori , NAGASAWA Kensaku , NISHIKI Yoshinori , OGATA Setsuro , KATO Akihiro , ZAENAL Awaludin , MATSUOKA Koji , SATO Yasushi
摘要： An organic hydride production apparatus 100 includes: an electrolyte membrane 102 having proton conductivity; a cathode 104, provided on one side of the electrolyte membrane 102, that contains a cathode catalyst used to hydrogenate a hydrogenation target substance using protons to produce an organic hydride; an anode 108, provided opposite to the one side of the electrolyte membrane 102, that contains an anode catalyst 108a used to oxidize water to produce protons; and an anode support 110, provided opposite to the electrolyte membrane 102 side of the anode 108, that supports the anode 108. The anode support 110 is formed of an elastic porous body of which the Young's modulus is greater than 0.1 N/mm 2 and less than 43 N/mm 2 .
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公开(公告)号：EP3064614B1
公开(公告)日：2018-06-20
申请号：EP14858854.4
申请日：2014-10-29
发明人： ICHIKAWA, Hiroki , MITSUSHIMA Shigenori , NAGASHIMA Ikuo , SUNADA Yoshio , KATO Akihiro , YIN Liang , MANABE Akiyoshi , NISHIKI Yoshinori
CPC分类号： C25B11/0405 , B01J23/78 , C25B1/04 , C25B11/0415 , C25B11/0431 , C25B11/0447 , C25B11/0478 , Y02E60/366 , Y02E70/10 , Y02P20/133 , Y02P20/134
摘要： An anode for alkaline water electrolysis includes a conductive substrate having at least a surface made of nickel or a nickel-base alloy and a lithium-containing nickel oxide catalytic layer formed on a surface of the substrate. The molar ratio (Li/Ni) of lithium and nickel in the catalytic layer is in the range of 0.005 to 0.15.
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7.发明公开APPARATUS FOR PRODUCING ORGANIC HYDRIDE AND METHOD FOR PRODUCING ORGANIC HYDRIDE USING SAME 审中-公开用于生产有机氢化物的设备和使用该设备生产有机氢化物的方法
公开(公告)号：EP3222754A1
公开(公告)日：2017-09-27
申请号：EP15862087.2
申请日：2015-11-19
摘要： An organic hydride production apparatus that enables the reduction reaction at the cathode of an organic compound having an unsaturated bond to proceed at high current efficiency and at a low electric power consumption rate, and a method for producing an organic hydride that uses this production apparatus.
The production apparatus includes a solid polymer electrolyte membrane 11 having proton conductivity, a cathode 12 which is provided on one surface of the solid polymer electrolyte membrane 11 and generates a hydride by reducing a substance to be hydrogenated, a cathode chamber 13 which houses the cathode 12 and is supplied with the substance to be hydrogenated, an electrode catalyst-containing anode 14 which is provided on the other surface of the solid polymer electrolyte membrane 11 and generates protons by oxidizing water, and an anode chamber 15 which houses the anode 14 and is supplied with an electrolytic solution, wherein the substance to be hydrogenated is supplied from the lower end of the cathode chamber 13, the production apparatus has a hydride outlet 18 through which the product and the like is discharged from the upper end of the cathode chamber 13, and at least one partition 12d with a width of not less than 0.1 mm is formed inside the cathode camber 13.摘要翻译： 本发明提供一种有机氢化物制造装置及使用该制造装置的有机氢化物的制造方法，其能够以高电流效率且低消耗电力率进行具有不饱和键的有机化合物在阴极的还原反应。 该制造装置具备：具有质子传导性的固体高分子电解质膜11，在该固体高分子电解质膜11的一个面上设置，通过还原被氢化物而生成氢化物的阴极12，收容阴极的阴极室13 供给待氢化物质，设置在固体聚合物电解质膜11的另一个表面上并通过氧化水而产生质子的含电极催化剂的阳极14以及容纳阳极14和阳极室15的阳极室15 从阴极室13的下端供给待氢化物质的电解液，生产装置具有氢化物出口18，通过该氢化物出口18将产物等从阴极室的上端排出 如图13所示，在阴极弯曲部13的内部形成至少一个宽度不小于0.1mm的隔板12d。
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公开(公告)号：EP3199665A1
公开(公告)日：2017-08-02
申请号：EP15845341.5
申请日：2015-09-18
CPC分类号： C25B9/10 , C25B3/04 , C25B11/02 , C25B11/0405 , C25B11/0442 , C25B11/0452 , C25B11/12
摘要： To provide an electrolysis cell for producing an organic chemical hydride capable of advancing a reduction reaction in a cathode of an organic compound having an unsaturated bond with high current efficiency and a small electric power consumption unit.
An electrolysis cell 10 for producing an organic chemical hydride includes a solid polymer electrolyte film 11 which has proton conductivity; a cathode 12 which is provided on one surface of the solid polymer electrolyte film 11 and generates a hydride by reducing a substance to be hydrogenated; a cathode chamber 13 which accommodates the cathode 12 and to which the substance to be hydrogenated is supplied; an electrode catalyst-containing anode 14 which is provided on another surface of the solid polymer electrolyte film 11 and generates a proton by oxidizing water; and an anode chamber 15 which accommodates the anode 14 and to which an electrolytic solution is supplied, in which at least one of a surface of the cathode 12 side and a surface of the anode 14 side of the solid polymer electrolyte film 11 is hydrophilized.摘要翻译： 本发明提供一种电解电池，该电解电池用于以高电流效率和小功耗单元生产能够促进具有不饱和键的有机化合物的阴极中的还原反应的有机化学氢化物。 用于制造有机化学氢化物的电解槽10包括具有质子传导性的固体高分子电解质膜11， 设置在固体高分子电解质膜11的一个面上，通过还原被氢化物而生成氢化物的正极12， 容纳阴极12并供应待氢化物质的阴极室13; 设置在固体高分子电解质膜11的另一个面上并通过氧化水而生成质子的含电极催化剂负极14， 以及阳极室15，其容纳阳极14并被供给电解液，其中阴极12侧的表面和固体聚合物电解质膜11的阳极14侧的表面中的至少一个被亲水化。
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公开(公告)号：EP4455367A1
公开(公告)日：2024-10-30
申请号：EP22910505.1
申请日：2022-09-29
发明人： MISUMI Ryuta , MITSUSHIMA Shigenori , IKEDA Hayata , NISHIKI Yoshinori , KATO Akihiro , NAKAI Takaaki
摘要： There is provided an aqueous solution electrolysis method that makes it possible to reduce the amount of bubbles covering an electrode and generate gases such as hydrogen and oxygen with excellent energy efficiency. The method is an electrolysis method for electrolyzing an aqueous-solution-based electrolyte to generate at least any one of hydrogen, oxygen, and chlorine, wherein the electrolyte contains a water-soluble alcohol. For example, as the electrolyte, an alkali aqueous solution containing about 0.1 to about 10% by volume of a water-soluble alcohol including a tertiary alcohol, such as 2-methylpropan-2-ol and 2-methylbutan-2-ol, and about 1 to 10 mol/L of an alkali component may be subjected to water electrolysis, and the electrolyte is electrolyzed using, for example, an electrolytic cell having an anode chamber and a cathode chamber.
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公开(公告)号：EP3199665B1
公开(公告)日：2020-09-02
申请号：EP15845341.5
申请日：2015-09-18
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