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公开(公告)号：EP3656882A1
公开(公告)日：2020-05-27
申请号：EP18834902.1
申请日：2018-07-11
申请人： Sumitomo Electric Industries, Ltd. , Sumitomo Electric Toyama Co., Ltd. , Primearth EV Energy Co., Ltd.
发明人： OKUNO, Kazuki , MAJIMA, Masatoshi , TSUCHIDA, Hitoshi , NISHIMURA, Junichi , KIMURA, Koutarou , SHIMIZU, Yusuke
摘要： A metal porous body is a metal porous body mainly composed of nickel and having a framework of a three-dimensional network structure, Ni(OH) 2 being present in a surface of the framework, when the metal porous body is subjected to at least 30 potential scans between a lower limit potential of -0.10 V and an upper limit potential of +0.65 V with respect to a hydrogen standard potential in not less than 10% by mass and not more than 35% by mass of a potassium hydroxide aqueous solution, at least oxygen being detected within a depth of 5 nm from the surface, and hydrogen being detected at least in the surface.
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公开(公告)号：EP3260579A1
公开(公告)日：2017-12-27
申请号：EP16752200.2
申请日：2016-01-22
发明人： OKUNO, Kazuki , HIGASHINO, Takahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , NISHIMURA, Junichi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
CPC分类号： C25D1/08 , B22F1/00 , B22F2301/15 , B22F2304/10 , C22C1/08 , C25D5/50 , C25D5/56
摘要： A method for producing a nickel alloy porous body includes a step of applying a coating material that contains a nickel alloy powder of nickel and an added metal, the nickel alloy powder having a volume-average particle size of 10 µm or less, onto a surface of a skeleton of a resin formed body having a three-dimensional mesh-like structure; a step of plating with nickel the surface of the skeleton of the resin formed body onto which the coating material has been applied; a step of removing the resin formed body; and a step of diffusing the added metal into the nickel by a heat treatment.
摘要翻译： 一种镍合金多孔体的制造方法，其特征在于，包括将含有镍和添加金属的镍合金粉末的体积平均粒径为10μm以下的镍合金粉末涂布于表面的工序 具有三维网状结构的树脂成形体的骨架; 用镍镀覆树脂成型体的骨架表面，在该树脂成型体上涂覆有涂料; 去除树脂成形体的步骤; 以及通过热处理将添加的金属扩散到镍中的步骤。
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公开(公告)号：EP2902514B1
公开(公告)日：2018-10-24
申请号：EP13840429.8
申请日：2013-09-10
发明人： OKUNO, Kazuki , KATO, Masahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
IPC分类号： C22C1/08 , B22F3/11 , C22C19/03 , H01M4/66 , H01M4/80 , H01M8/02 , C25D5/12 , H01M4/86 , H01M4/88 , C23C18/16 , C25D1/08 , C25D5/14 , C25D5/50 , H01B1/02 , H01G9/00 , C22C19/05 , C23C16/56 , H01G11/68 , H01G11/70
CPC分类号： C23C16/56 , B22F3/1137 , B22F3/1146 , B22F2998/10 , C22C1/08 , C22C19/05 , C23C18/1657 , C25D1/08 , C25D5/12 , C25D5/14 , C25D5/50 , H01B1/02 , H01B13/0036 , H01G11/68 , H01G11/70 , H01M4/661 , H01M4/667 , H01M4/80 , H01M4/8605 , H01M4/8803 , Y02E60/13 , Y10T428/12479
摘要： Provided is a porous metal body having higher corrosion resistance than existing porous metal bodies composed of nickel-tin binary alloys and existing porous metal bodies composed of nickel-chromium binary alloys. The porous metal body contains at least nickel, tin, and chromium. An example of a method of producing such a porous metal body is a method including a conductive-coating-layer formation step of forming a conductive coating layer containing chromium on a surface of a porous base formed of a resin material; a metal-layer formation step of forming a nickel layer and a tin layer in any order on a surface of the conductive coating layer; a removal step of removing the porous base; and a diffusion step of, by a heat treatment, causing interdiffusion of metal atoms between the nickel layer and the tin layer and diffusing chromium contained in the conductive coating layer into the nickel layer and the tin layer.
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公开(公告)号：EP3115483A1
公开(公告)日：2017-01-11
申请号：EP15759107.4
申请日：2015-02-20
发明人： OKUNO, Kazuki , KATO, Masahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
IPC分类号： C25D1/08 , C22C1/08 , C22C19/05 , C25D5/12 , C25D5/50 , C25D5/56 , H01M4/80 , H01M8/02 , H01M8/10
CPC分类号： H01M8/0232 , B22F3/1121 , B22F3/1146 , C22C1/08 , C22C19/058 , C22C21/08 , C22F1/10 , C22F1/11 , C23C14/205 , C23C18/1653 , C23C18/30 , C23C18/36 , C23C24/00 , C25D1/08 , C25D3/12 , C25D3/30 , C25D3/32 , C25D5/12 , C25D5/50 , C25D5/505 , C25D5/54 , C25D5/56 , H01G11/68 , H01G11/70 , H01M4/80 , H01M2008/1095
摘要： An object of the present invention is to provide, at a low cost, a porous metal body that can be used in an electrode of a fuel cell and that has better corrosion resistance. The porous metal body has a three-dimensional mesh-like structure and contains nickel (Ni), tin (Sn), and chromium (Cr). A content ratio of the tin is 10% by mass or more and 25% by mass or less, and a content ratio of the chromium is 1% by mass or more and 10% by mass or less. On a cross section of a skeleton of the porous metal body, the porous metal body contains a solid solution phase of chromium, nickel, and tin. The solid solution phase contains a solid solution phase of chromium and trinickel tin (Ni 3 Sn), the solid solution phase having a chromium content ratio of 2% by mass or less, and does not contain a solid solution phase that is other than a solid solution phase of chromium and trinickel tin (Ni 3 Sn) and that has a chromium content ratio of less than 1.5% by mass.
摘要翻译： 本发明的目的在于提供，以低成本，多孔金属体并可以以更好的燃料电池用电极使用，并做了具有耐腐蚀性。 多孔金属体具有三维网状结构，并且包含镍（Ni），锡（Sn），和铬（Cr）。 锡的含量比按质量计或10％以上，通过质谱或更少25％，和铬的含量比按质量计以上1％质量以下的10％。 在多孔金属体的骨架的截面中，多孔金属主体包含铬，镍，和锡的固溶体相。 固溶相含有铬和trinickel锡（的Ni 3 Sn）的固溶体相，具有质量以下的2％的铬含量比的固溶相，并且不含有固溶体相做了比其他 铬和trinickel锡（的Ni 3 Sn）和确实的固溶体相具有按质量计小于1.5％的铬含量比。
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5.发明公开METALLIC POROUS BODY, AND METHOD FOR PRODUCING SAME 审中-公开METALLISCHERPORÖSERKÖRPERUND HERSTELLUNGSVERFAHRENDAFÜR
公开(公告)号：EP2902514A1
公开(公告)日：2015-08-05
申请号：EP13840429.8
申请日：2013-09-10
发明人： OKUNO, Kazuki , KATO, Masahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
CPC分类号： C23C16/56 , B22F3/1137 , B22F3/1146 , B22F2998/10 , C22C1/08 , C22C19/05 , C23C18/1657 , C25D1/08 , C25D5/12 , C25D5/14 , C25D5/50 , H01B1/02 , H01B13/0036 , H01G11/68 , H01G11/70 , H01M4/661 , H01M4/667 , H01M4/80 , H01M4/8605 , H01M4/8803 , Y02E60/13 , Y10T428/12479
摘要： Provided is a porous metal body having higher corrosion resistance than existing porous metal bodies composed of nickel-tin binary alloys and existing porous metal bodies composed of nickel-chromium binary alloys. The porous metal body contains at least nickel, tin, and chromium. An example of a method of producing such a porous metal body is a method including a conductive-coating-layer formation step of forming a conductive coating layer containing chromium on a surface of a porous base formed of a resin material; a metal-layer formation step of forming a nickel layer and a tin layer in any order on a surface of the conductive coating layer; a removal step of removing the porous base; and a diffusion step of, by a heat treatment, causing interdiffusion of metal atoms between the nickel layer and the tin layer and diffusing chromium contained in the conductive coating layer into the nickel layer and the tin layer.
摘要翻译： 提供了一种多孔金属体，其具有比由镍 - 锡二元合金和由镍 - 铬二元合金构成的现有多孔金属体组成的现有多孔金属体具有更高的耐腐蚀性。 多孔金属体至少含有镍，锡和铬。 制造这种多孔金属体的方法的实例是一种方法，该方法包括在由树脂材料形成的多孔基底的表面上形成含有铬的导电涂层的导电涂层形成步骤; 金属层形成步骤，在导电涂层的表面上以任何顺序形成镍层和锡层; 去除多孔基底的去除步骤; 以及扩散步骤，通过热处理，导致镍层和锡层之间的金属原子的相互扩散，并将包含在导电涂层中的铬扩散到镍层和锡层中。
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公开(公告)号：EP4043599A1
公开(公告)日：2022-08-17
申请号：EP20873789.0
申请日：2020-06-25
摘要： Provided is a surface-coated metal porous body having a three-dimensional network structure, the surface-coated metal porous body including: a framework forming the three-dimensional network structure; and a coating film provided on a surface of the framework, wherein the framework has a body including a metal element as a constituent element, the coating film includes a scale-like carbon material and a fine-grained conductive material, a distance D between two points that are farthest from each other on an outer perimeter of a main surface of the scale-like carbon material is 5% or more and 120% or less relative to a thickness of the framework, and the scale-like carbon material is deposited on the surface of the framework.
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公开(公告)号：EP3260579B1
公开(公告)日：2018-10-17
申请号：EP16752200.2
申请日：2016-01-22
发明人： OKUNO, Kazuki , HIGASHINO, Takahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , NISHIMURA, Junichi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
CPC分类号： C25D1/08 , B22F1/00 , B22F2301/15 , B22F2304/10 , C22C1/08 , C25D5/50 , C25D5/56
摘要： A method for producing a nickel alloy porous body includes a step of applying a coating material that contains a nickel alloy powder of nickel and an added metal, the nickel alloy powder having a volume-average particle size of 10 µm or less, onto a surface of a skeleton of a resin formed body having a three-dimensional mesh-like structure; a step of plating with nickel the surface of the skeleton of the resin formed body onto which the coating material has been applied; a step of removing the resin formed body; and a step of diffusing the added metal into the nickel by a heat treatment.
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公开(公告)号：EP3115483B1
公开(公告)日：2018-09-12
申请号：EP15759107.4
申请日：2015-02-20
发明人： OKUNO, Kazuki , KATO, Masahiro , AWAZU, Tomoyuki , MAJIMA, Masatoshi , TSUKAMOTO, Kengo , TSUCHIDA, Hitoshi , SAITO, Hidetoshi
IPC分类号： C25D1/08 , C22C1/08 , C22C19/05 , C25D5/12 , C25D5/50 , C25D5/56 , H01M4/80 , H01M8/02 , H01M8/10
CPC分类号： H01M8/0232 , B22F3/1121 , B22F3/1146 , C22C1/08 , C22C19/058 , C22C21/08 , C22F1/10 , C22F1/11 , C23C14/205 , C23C18/1653 , C23C18/30 , C23C18/36 , C23C24/00 , C25D1/08 , C25D3/12 , C25D3/30 , C25D3/32 , C25D5/12 , C25D5/50 , C25D5/505 , C25D5/54 , C25D5/56 , H01G11/68 , H01G11/70 , H01M4/80 , H01M2008/1095
摘要： An object of the present invention is to provide, at a low cost, a porous metal body that can be used in an electrode of a fuel cell and that has better corrosion resistance. The porous metal body has a three-dimensional mesh-like structure and contains nickel (Ni), tin (Sn), and chromium (Cr). A content ratio of the tin is 10% by mass or more and 25% by mass or less, and a content ratio of the chromium is 1% by mass or more and 10% by mass or less. On a cross section of a skeleton of the porous metal body, the porous metal body contains a solid solution phase of chromium, nickel, and tin. The solid solution phase contains a solid solution phase of chromium and trinickel tin (Ni 3 Sn), the solid solution phase having a chromium content ratio of 2% by mass or less, and does not contain a solid solution phase that is other than a solid solution phase of chromium and trinickel tin (Ni 3 Sn) and that has a chromium content ratio of less than 1.5% by mass.
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公开(公告)号：EP3012893B1
公开(公告)日：2018-08-29
申请号：EP14812928.1
申请日：2014-04-09
IPC分类号： C22C1/08 , C25D1/08 , C25D5/12 , C25D7/00 , H01M4/80 , C22C13/00 , C22C19/05 , C23C28/02 , C21D9/00 , C25D5/14 , C25D5/50 , C25D15/00 , C22C1/04 , C22F1/10 , C22F1/11 , C22F1/16 , C23C14/14 , C23C14/34 , C23C14/58 , H01M8/0232 , C25D3/06 , C25D3/12 , C25D3/30
CPC分类号： C21D9/0068 , B22F7/002 , B22F2207/01 , B22F2999/00 , C22C1/0433 , C22C1/08 , C22F1/02 , C22F1/10 , C22F1/11 , C22F1/16 , C23C14/14 , C23C14/34 , C23C14/5873 , C23C28/021 , C23C28/027 , C23C28/028 , C25D1/08 , C25D3/04 , C25D3/06 , C25D3/12 , C25D3/30 , C25D5/12 , C25D5/14 , C25D5/50 , C25D5/505 , C25D5/56 , C25D7/00 , C25D15/00 , H01M4/80 , H01M8/0232 , Y02T50/6765 , B22F2003/248
摘要： Provided is a porous metal body having superior corrosion resistance to conventional metal porous bodies composed of nickel-tin binary alloys and conventional metal porous bodies composed of nickel-chromium binary alloys. The porous metal body has a three-dimensional network skeleton and contains at least nickel, tin, and chromium. The concentration of chromium contained in the porous metal body is highest at the surface of the skeleton of the porous metal body and decreases toward the inner side of the skeleton. In one embodiment, the chromium concentration at the surface of the skeleton of the porous metal body is more preferably 3% by mass or more and 70% by mass or less.
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公开(公告)号：EP3012893A1
公开(公告)日：2016-04-27
申请号：EP14812928.1
申请日：2014-04-09
CPC分类号： C21D9/0068 , B22F7/002 , B22F2207/01 , B22F2999/00 , C22C1/0433 , C22C1/08 , C22F1/02 , C22F1/10 , C22F1/11 , C22F1/16 , C23C14/14 , C23C14/34 , C23C14/5873 , C23C28/021 , C23C28/027 , C23C28/028 , C25D1/08 , C25D3/04 , C25D3/06 , C25D3/12 , C25D3/30 , C25D5/12 , C25D5/14 , C25D5/50 , C25D5/505 , C25D5/56 , C25D7/00 , C25D15/00 , H01M4/80 , H01M8/0232 , B22F2003/248
摘要： Provided is a porous metal body having superior corrosion resistance to conventional metal porous bodies composed of nickel-tin binary alloys and conventional metal porous bodies composed of nickel-chromium binary alloys. The porous metal body has a three-dimensional network skeleton and contains at least nickel, tin, and chromium. The concentration of chromium contained in the porous metal body is highest at the surface of the skeleton of the porous metal body and decreases toward the inner side of the skeleton. In one embodiment, the chromium concentration at the surface of the skeleton of the porous metal body is more preferably 3% by mass or more and 70% by mass or less.
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