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    • 1. 发明授权
    • Process for the production of porous electrodes
    • 生产多孔电极的方法
    • US4857153A
    • 1989-08-15
    • US284357
    • 1988-12-14
    • Jiri DivisekHeinz Schmitz
    • Jiri DivisekHeinz Schmitz
    • C25B11/00C25B11/03C25B11/04C25B11/06
    • C25B11/0478C25B11/035
    • Porous electrodes are obtained by a method in which a layer of a powder mixture comprising (a) finely divided carbonyl metal having a low bulk density and high frictional resistance and (b) a pulverulent component which is catalytically active or can be activated by alkali treatment, in an a/b ratio of about 3:1 to 1:3, is applied by rolling to one or both sides of a framework-forming metallic substrate having adhesion-promoting surface roughness, and said layer is consolidated by electrodeposition of metal, after which activation is finally effected if necessary. Superficial oxidation of the powder particles, which decreases from the outer surface of the layer toward the support and gradually dissolves in the electroplating bath, promotes extensive consolidation of the layer by electrodeposition.
    • 通过以下方法获得多孔电极:粉末混合物层,其包含(a)具有低堆积密度和高摩擦阻力的细碎羰基金属和(b)具有催化活性或可通过碱处理活化的粉状成分 以约3:1至1:3的a / b比通过轧制施加到具有粘附促进表面粗糙度的骨架形成金属基材的一侧或两侧,并且所述层通过电沉积金属固结, 如果需要,最终实现激活。 粉末颗粒的表面氧化从层的外表面向载体减少并逐渐溶解在电镀浴中,通过电沉积促进层的大量固结。
    • 2. 发明授权
    • Activated electrodes
    • 活性电极
    • US4584065A
    • 1986-04-22
    • US644829
    • 1984-08-27
    • Jiri DivisekHeinz SchmitzHeinz Wullenweber
    • Jiri DivisekHeinz SchmitzHeinz Wullenweber
    • C25B11/04C25B11/00C25B11/06C25D1/08C25D1/20C25D5/48
    • C25B11/00
    • A process for the manufacture of thin activated electrodes including a base metal, which can be iron, cobalt or nickel, with a good adhering active surface layer. Both the base metal and the surface layer are galvanically sequentially deposited as separate layers on a removable electrically-conductive carrier. The surface layer is deposited as an activatable alloy including the base metal and a leachable metal, particularly zinc. The galvanizing deposited layers are subsequently separated as a unit from the carrier. The alloy is activated by leaching the leachable metal therefrom before, during or after separation of the carrier. Two activatable layers of alloy can be deposited on the carrier with a layer of the base metal deposited between the alloy layers.
    • 用于制造薄的活化电极的方法,其包括可以是铁,钴或镍的贱金属,具有良好的附着活性表面层。 基底金属和表面层均以电流顺序地沉积在可移除的导电载体上作为单独的层。 表面层作为可活化的合金沉积,包括贱金属和可浸出的金属,特别是锌。 随后将镀锌沉积层作为单元与载体分离。 通过在载体分离之前,期间或之后从其中浸出可浸出的金属来活化合金。 两个可活化的合金层可以沉积在载体上,一层沉积在合金层之间的基体金属。
    • 6. 发明授权
    • Nickel oxide based diaphragm
    • 基于氧化镍的隔膜
    • US4559124A
    • 1985-12-17
    • US613877
    • 1984-05-24
    • Jiri DivisekPeter Malinowski
    • Jiri DivisekPeter Malinowski
    • C25B13/04C25B13/00
    • C25B13/04
    • The invention concerns a NiO-based ceramic oxide diaphragm for the alkaline water electrolysis. The diaphragm, in accordance with the invention, contains 0.5 to 10% by weight (estimated as Ti based on the oxide mass) of titanium oxide in the porous NiO layer. Diaphragms of this type are obtained, in particular, by the oxidative sintering of a mass of nickel powder which has been applied under pressure to a nickel support, especially one consisting of nickel wire gauze. In the process the titanium is in the form of titanium metal, titanium oxide or a titanium compound which is added to the initial nickel powder. The titanium is present in the form of its oxide after the oxidation sintering treatment. In an alternative embodiment of the process, an already sintered porous mass of nickel or nickel oxide can be impregnated with a titanium compound and calcined to convert the titanium compound to its oxide.
    • 本发明涉及一种用于碱性水电解的NiO基陶瓷氧化膜。 根据本发明的隔膜在多孔NiO层中含有0.5至10重量%(基于氧化物质量计算为Ti)氧化钛。 特别是通过在压力下施加到镍载体上的镍粉末的氧化烧结,特别是由镍丝网组成的膜,可获得这种类型的膜片。 在该过程中,钛是钛金属,氧化钛或钛化合物的形式,加入到初始镍粉中。 在氧化烧结处理后,钛以其氧化物的形式存在。 在该方法的替代实施方案中,已经烧结的镍或氧化镍多孔体可以用钛化合物浸渍并煅烧以将钛化合物转化成其氧化物。
    • 8. 发明授权
    • Process for the electrolysis of sulfur dioxide solutions
    • 二氧化硫溶液电解工艺
    • US4304643A
    • 1981-12-08
    • US66861
    • 1979-08-15
    • Jiri DivisekHeinrich SchmitzBernd D. Struck
    • Jiri DivisekHeinrich SchmitzBernd D. Struck
    • C25B1/02C25B1/22C25B1/00
    • C25B1/22C25B1/02
    • Particles of electrically conducting activated carbon of about 500 to 1,000 m.sup.2 /g specific surface added to an electrolyte provided by a solution of sulfur dioxide in water are found to provide a substantial reduction of the electrical energy requirement in the electrolysis of such an electrolyte for the production of hydrogen and sulfuric acid. A further reduction of energy consumption is obtained by additionally introducing iodine in the electrolyte in an amount not exceeding 1% by weight of the entire solution. Use of an anode in which the surface of a graphite base body is coated with a thin layer of activated carbon bonded to the graphite body by means of a binder, such as rubber, also reduces the electrical energy requirement for the electrolysis. To coat the surface of the electrode, carbon particles are first dispersed in a rubber solution and the suspension is then applied to the surface of the graphite body as a thin layer.
    • 发现添加到由二氧化硫溶于水的电解质中提供的电解质的约500至1,000m 2 / g比表面积的导电活性炭颗粒可显着减少用于电解的电解质中的电能需求 生产氢和硫酸。 通过在电解液中另外引入碘量不超过整个溶液的1重量%,可以进一步降低能量消耗。 使用阳极,其中石墨基体的表面涂覆有通过诸如橡胶的粘合剂结合到石墨体的活性炭的薄层,还降低了电解所需的电能。 为了涂覆电极的表面,首先将碳颗粒分散在橡胶溶液中,然后将悬浮液作为薄层施加到石墨体的表面。