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公开(公告)号：US08313623B2
公开(公告)日：2012-11-20
申请号：US13440292
申请日：2012-04-05
CPC分类号： C25B11/0484 , C23C18/08 , C23C18/1216 , C23C18/1225 , C23C18/1241 , C25B1/34 , C25B11/0494
摘要： A cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis comprises a metal substrate provided with a catalytic coating made of two layers containing palladium, rare earths (such as praseodymium) and a noble component selected between platinum and ruthenium. The rare earth percent amount by weight is lower in the outer layer than in the inner layer.
摘要翻译： 用于电解方法的阴极，特别适用于氯碱电解中的析氢，包括一金属基底，该金属基底上设有由钯，稀土（如镨）和选自铂和钌之间的贵金属构成的两层催化剂涂层。 外层中的稀土百分比重量比内层低。
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公开(公告)号：US20140008215A1
公开(公告)日：2014-01-09
申请号：US14006496
申请日：2012-05-03
CPC分类号： C25B11/04 , B01J23/462 , B01J23/892 , B01J37/0225 , C23C18/12 , C23C18/1216 , C23C18/1225 , C25B11/0484 , H01M4/9016
摘要： The invention relates to an electrode for electrolytic processes, particularly to a cathode suitable for hydrogen evolution in an industrial electrolysis process comprising a metal substrate coated with an external catalytic layer containing crystalline ruthenium oxide having a highly ordered rutile-type structure with Ru Ru and Ru O bond length characterised by a Debye-Waller factor lower than a critical value. The catalytic outer layer may contain rare earth oxides, such as praseodymium. The electrode may also comprise an internal catalytic thin layer platinum-based, which gives an enhanced protection against accidental current reversal events.
摘要翻译： 本发明涉及一种用于电解工艺的电极，特别涉及一种适用于在工业电解方法中析氢的阴极，该阴极包括涂覆有外部催化剂层的金属基材，该外部催化剂层含有Ru Ru和Ru的高度有序金红石型结构的结晶氧化钌 O键长度以Debye-Waller因子为特征，低于临界值。 催化外层可含有稀土氧化物，如镨。 电极还可以包括基于铂的内部催化薄层，其提供了针对意外电流反转事件的增强的保护。
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公开(公告)号：US09090983B2
公开(公告)日：2015-07-28
申请号：US13590649
申请日：2012-08-21
IPC分类号： H01M4/88 , B01J23/46 , B01J23/63 , B01J37/04 , B23H3/04 , B23H5/10 , B23H7/22 , C25B11/00 , C25C7/02 , C25D17/10 , C25F7/00 , C25B11/04
CPC分类号： C25B11/0484
摘要： An electrode suitable for use as hydrogen-evolving cathode in electrolytic processes is obtained by thermal decomposition of a precursor consisting of an acetic solution of nitrates of ruthenium, and optionally of rare earths. The electrode displays a low cathodic hydrogen evolution overpotential, an improved tolerance to current reversal phenomena and a high duration in industrial operating conditions.
摘要翻译： 通过热分解由钌的硝酸盐的乙酸溶液和任选的稀土组成的前体，可以获得在电解过程中适合用作析氢阴极的电极。 电极显示出低的阴极放氢超电位，改善了对电流反转现象的耐受性和工业操作条件下的高持续时间。
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公开(公告)号：US20120312683A1
公开(公告)日：2012-12-13
申请号：US13590649
申请日：2012-08-21
CPC分类号： C25B11/0484
摘要： An electrode suitable for use as hydrogen-evolving cathode in electrolytic processes is obtained by thermal decomposition of a precursor consisting of an acetic solution of nitrates of ruthenium, and optionally of rare earths. The electrode displays a low cathodic hydrogen evolution overpotential, an improved tolerance to current reversal phenomena and a high duration in industrial operating conditions.
摘要翻译： 通过热分解由钌的硝酸盐的乙酸溶液和任选的稀土组成的前体，可以获得在电解过程中适合用作析氢阴极的电极。 电极显示出低的阴极放氢超电位，改善了对电流反转现象的耐受性和工业操作条件下的高持续时间。
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公开(公告)号：US09090981B2
公开(公告)日：2015-07-28
申请号：US14006496
申请日：2012-05-03
CPC分类号： C25B11/04 , B01J23/462 , B01J23/892 , B01J37/0225 , C23C18/12 , C23C18/1216 , C23C18/1225 , C25B11/0484 , H01M4/9016
摘要： The invention relates to an electrode for electrolytic processes, particularly to a cathode suitable for hydrogen evolution in an industrial electrolysis process comprising a metal substrate coated with an external catalytic layer containing crystalline ruthenium oxide having a highly ordered rutile-type structure with Ru Ru and Ru O bond length characterized by a Debye-Waller factor lower than a critical value. The catalytic outer layer may contain rare earth oxides, such as praseodymium. The electrode may also comprise an internal catalytic thin layer platinum-based, which gives an enhanced protection against accidental current reversal events.
摘要翻译： 本发明涉及一种用于电解工艺的电极，特别涉及一种适用于在工业电解方法中析氢的阴极，该阴极包括涂覆有外部催化剂层的金属基材，该外部催化剂层含有Ru Ru和Ru的高度有序金红石型结构的结晶氧化钌 O键长度以Debye-Waller因子为特征，低于临界值。 催化外层可含有稀土氧化物，如镨。 电极还可以包括基于铂的内部催化薄层，其提供了针对意外电流反转事件的增强的保护。
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公开(公告)号：US20120199473A1
公开(公告)日：2012-08-09
申请号：US13440292
申请日：2012-04-05
CPC分类号： C25B11/0484 , C23C18/08 , C23C18/1216 , C23C18/1225 , C23C18/1241 , C25B1/34 , C25B11/0494
摘要： A cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis comprises a metal substrate provided with a catalytic coating made of two layers containing palladium, rare earths (such as praseodymium) and a noble component selected between platinum and ruthenium. The rare earth percent amount by weight is lower in the outer layer than in the inner layer.
摘要翻译： 用于电解方法的阴极，特别适用于氯碱电解中的析氢，包括一金属基底，该金属基底上设有由钯，稀土（如镨）和选自铂和钌之间的贵金属构成的两层催化剂。 外层中的稀土百分比重量比内层低。
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公开(公告)号：US20120061237A1
公开(公告)日：2012-03-15
申请号：US13298630
申请日：2011-11-17
CPC分类号： C25B11/0478
摘要： The invention relates to a cathode for electrolytic processes with evolution of hydrogen comprising a metal substrate with a noble metal-based activation layer and two protective layers, one interposed between the activation layer and the substrate and one external, containing an electroless-depositable alloy of a metal comprising one of nickel, cobalt and iron with a non-metal selected from phosphorus and boron, with the optional addition of a transition element selected between tungsten and rhenium.
摘要翻译： 本发明涉及一种用于电解过程的阴极，其包括具有贵金属基活化层的金属基底和两个保护层，一个插入在活化层和基底之间的一个金属基底和一个外部的含有无电沉积的合金 包括镍，钴和铁之一的金属与选自磷和硼的非金属的金属，任选地添加在钨和铼之间选择的过渡元素。
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