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公开(公告)号：US20050029116A1
公开(公告)日：2005-02-10
申请号：US10897430
申请日：2004-07-23
申请人： Andreas Bulan , Michael Grossholz , Volker Michele , Hans-Joachim Brockhaus , Hans-Dieter Pinter , Fritz Gestermann , Rainer Weber
发明人： Andreas Bulan , Michael Grossholz , Volker Michele , Hans-Joachim Brockhaus , Hans-Dieter Pinter , Fritz Gestermann , Rainer Weber
CPC分类号： C25B9/08
摘要： The present invention describes an electrochemical cell, comprising at least an anode half-cell with an anode, a cathode half-cell with a cathode, and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode is a gas diffusion electrode. And a gap is provided between the gas diffusion electrode and the ion exchange membrane, and the half-cell with the gas diffusion electrode has an electrolyte feed and an electrolyte discharge as well as a gas inlet and a gas outlet. The electrochemical cell preferably has an electrolyte feed that is hermetically connected to the gap.
摘要翻译： 本发明描述了一种电化学电池，其至少包括具有阳极的阳极半电池，具有阴极的阴极半电池和布置在阳极半电池和阴极半电池之间的离子交换膜，阳极 和/或阴极是气体扩散电极。 并且在气体扩散电极和离子交换膜之间设置有间隙，并且具有气体扩散电极的半电池具有电解质进料和电解液排出以及气体入口和气体出口。 电化学电池优选地具有气密地连接到间隙的电解质进料。
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公开(公告)号：US20110073491A1
公开(公告)日：2011-03-31
申请号：US12957805
申请日：2010-12-01
申请人： Andreas Bulan , Michael Großholz , Volker Michele , Hans-Joachim Brockhaus , Hans-Dieter Pinter , Fritz Gestermann , Rainer Weber
发明人： Andreas Bulan , Michael Großholz , Volker Michele , Hans-Joachim Brockhaus , Hans-Dieter Pinter , Fritz Gestermann , Rainer Weber
CPC分类号： C25B9/08
摘要： The present invention describes an electrochemical cell, comprising at least an anode half-cell with an anode, a cathode half-cell with a cathode, and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode is a gas diffusion electrode. And a gap is provided between the gas diffusion electrode and the ion exchange membrane, and the half-cell with the gas diffusion electrode has an electrolyte feed and an electrolyte discharge as well as a gas inlet and a gas outlet. The electrochemical cell preferably has an electrolyte feed that is hermetically connected to the gap.
摘要翻译： 本发明描述了一种电化学电池，其至少包括具有阳极的阳极半电池，具有阴极的阴极半电池和布置在阳极半电池和阴极半电池之间的离子交换膜，阳极 和/或阴极是气体扩散电极。 并且在气体扩散电极和离子交换膜之间设置有间隙，并且具有气体扩散电极的半电池具有电解质进料和电解液排出以及气体入口和气体出口。 电化学电池优选地具有气密地连接到间隙的电解质进料。
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公开(公告)号：US07128824B2
公开(公告)日：2006-10-31
申请号：US10493484
申请日：2002-10-16
IPC分类号： C25B1/26
CPC分类号： C25B1/26
摘要： A method for the electrolysis of aqueous solutions of hydrogen chloride in order to produce chlorine, characterized in that the following process parameters are maintained for initial operation: the anode half-element is filled with a 5 to 20% strength by weight hydrochloric acid, the concentration of the hydrochloric acid is more than 5% by weight during initial operation, the volumetric flow of the hydrochloric acid through the anode half-element is set in such a way that, at the start of electrolysis, the velocity of the hydrochloric acid in the anode space is from 0.05 cm/s to 0.15 cm/s, the electrolysis is started with a current density of 0.5 to 2 kA/m2, and the current density is then increased continuously or discontinuously until the desired current density is reached.
摘要翻译： 用于电解氯化氢水溶液以产生氯的方法，其特征在于保持以下工艺参数用于初始操作：阳极半元件填充有5至20重量％的盐酸浓度， 初始运行时盐酸的浓度大于5重量％，通过阳极半元素的盐酸的体积流量设定为使电解开始时的盐酸的速度 阳极空间为0.05cm / s至0.15cm / s，电流以0.5至2kA / m 2的电流密度开始，然后电流密度连续或不连续地增加直到 达到所需的电流密度。
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公开(公告)号：US07803259B2
公开(公告)日：2010-09-28
申请号：US10566066
申请日：2004-07-19
IPC分类号： C25B9/10
摘要： The invention describes an electrochemical cell for the electrolysis of an aqueous solution of hydrogen chloride, comprising at least an anode half-cell with an anode, a cathode half-cell with a gas diffusion electrode as cathode and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the membrane consisting of at least a perfluorosulfonic acid polymer, wherein the gas diffusion electrode and the ion exchange membrane are adjacent to each other, characterised in that the gas diffusion electrode and the ion exchange membrane, under a pressure of 250 g/cm2 and at a temperature of 60° C., have a contact area of at least 50%, with respect to the geometric area.
摘要翻译： 本发明描述了用于电解氯化氢水溶液的电化学电池，至少包括具有阳极的阳极半电池，具有气体扩散电极作为阴极的阴极半电池和布置在阳极之间的离子交换膜 半电池和阴极半电池，所述膜由至少全氟磺酸聚合物组成，其中所述气体扩散电极和所述离子交换膜彼此相邻，其特征在于，所述气体扩散电极和所述离子交换膜， 在250g / cm 2的压力和60℃的温度下，相对于几何面积具有至少50％的接触面积。
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公开(公告)号：US20060249380A1
公开(公告)日：2006-11-09
申请号：US10566066
申请日：2004-07-19
IPC分类号： C25B13/08
摘要： The invention describes an electrochemical cell for the electrolysis of an aqueous solution of hydrogen chloride, comprising at least an anode half-cell with an anode, a cathode half-cell with a gas diffusion electrode as cathode and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the membrane consisting of at least a perfluorosulfonic acid polymer, wherein the gas diffusion electrode and the ion exchange membrane are adjacent to each other, characterised in that the gas diffusion electrode and the ion exchange membrane, under a pressure of 250 g/cm2 and at a temperature of 60° C., have a contact area of at least 50%, with respect to the geometric area.
摘要翻译： 本发明描述了用于电解氯化氢水溶液的电化学电池，至少包括具有阳极的阳极半电池，具有气体扩散电极作为阴极的阴极半电池和布置在阳极之间的离子交换膜 半电池和阴极半电池，所述膜由至少全氟磺酸聚合物组成，其中所述气体扩散电极和所述离子交换膜彼此相邻，其特征在于，所述气体扩散电极和所述离子交换膜， 在250g / cm 2的压力和60℃的温度下，相对于几何面积具有至少50％的接触面积。
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公开(公告)号：US20050277016A1
公开(公告)日：2005-12-15
申请号：US11106658
申请日：2005-04-15
摘要： An electrochemical cell comprising: (i) an anode half-cell with an anode, (ii) a cathode half-cell with a cathode, (iii) an ion-exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode comprising a gas diffusion electrode, (iv) a gap between the gas diffusion electrode and the ion-exchange membrane, (v) an electrolyte feed inlet above the gap, (vi) an electrolyte drain beneath the gap, (vii) a gas inlet, (viii) a gas outlet, and (ix) an electrolyte holding vessel comprising an overflow connected with the electrolyte feed inlet.
摘要翻译： 一种电化学电池，包括：（i）具有阳极的阳极半电池，（ii）具有阴极的阴极半电池，（iii）布置在阳极半电池和阴极半电池之间的离子交换膜 ，阳极和/或阴极包括气体扩散电极，（iv）气体扩散电极和离子交换膜之间的间隙，（v）间隙上方的电解质进料入口，（vi） 间隙，（vii）气体入口，（viii）气体出口，和（ix）电解质保持容器，其包括与电解质进料入口连接的溢流口。
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7.发明授权公开(公告)号：US06841047B2
公开(公告)日：2005-01-11
申请号：US10214480
申请日：2002-08-02
摘要： The invention relates to an electrolysis cell comprising an anode frame (26), an anode (24), a cation-exchange membrane (34), a gas diffusion electrode (32), a current collector (10) and a cathode frame (12), with the anode (24), the cation-exchange membrane (34), the gas diffusion electrode (32) and the current collector (10) being held together elastically so that there is no gap between the individual components anode (24), cation-exchange membrane (34), gas diffusion electrode (32) and current collector (10). The elastic cohesion is preferably achieved by the current collector (10) being elastically fastened to the cathode frame (12) and/or the anode (24) being elastically fastened to the anode frame (26).
摘要翻译： 本发明涉及一种电解池，包括阳极框架（26），阳极（24），阳离子交换膜（34），气体扩散电极（32），集电器（10）和阴极框架 ），阳极（24），阳离子交换膜（34），气体扩散电极（32）和集电体（10）被弹性地保持在一起，使得各个部件阳极（24）之间不存在间隙， 阳离子交换膜（34），气体扩散电极（32）和集电体（10）。 优选地，弹性内聚力通过弹性地紧固到阴极框架（12）和/或阳极（24）弹性地紧固到阳极框架（26）上的集流器（10）来实现。
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公开(公告)号：US06838408B2
公开(公告)日：2005-01-04
申请号：US10815711
申请日：2004-04-02
CPC分类号： H01M4/8875 , C25B11/035 , H01M4/8605 , Y10T29/53204
摘要： A method for producing gas diffusion electrodes, in particular for use in electrolysis cells, as well as electrodes and their uses are described. A method of the present invention involves first, a sheet-like structure is produced by means of a pair of rolls by rolling a powder mixture containing at least one catalyst or a catalyst mixture and a binder, and then the sheet-like structure is connected to an electrically conductive catalyst support by rolling by means of a pair of rolls. In one embodiment the clamping force of the rolls is preferably kept constant in the range from 0.2 kN/cm to 15 kN/cm.
摘要翻译： 描述了特别用于电解槽中的气体扩散电极的制造方法以及电极及其用途。 本发明的方法首先涉及通过轧制含有至少一种催化剂，催化剂混合物和粘合剂的粉末混合物的一对辊来制造片状结构，然后连接片状结构体 通过一对辊轧制成导电催化剂载体。 在一个实施例中，辊的夹紧力优选保持在0.2kN / cm至15kN / cm的范围内恒定。
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9.发明授权公开(公告)号：US06890418B2
公开(公告)日：2005-05-10
申请号：US10308736
申请日：2002-12-03
CPC分类号： C25B1/46
摘要： The invention describes a process for the electrolysis of an aqueous solution of alkali metal chloride, in particular sodium chloride, by the membrane process with an aqueous solution of alkali metal hydroxide, in particular sodium hydroxide, as catholyte, where the temperature of the alkali metal chloride solution in the anode half-element and/or the volume flow rate of the alkali metal chloride solution in the anode half-element are set in such a way that the difference between the temperature of the alkali metal hydroxide solution at the entry into the cathode half-element and the temperature of the alkali metal hydroxide solution at the exit from the cathode half-element are not greater than 15° C.
摘要翻译： 本发明描述了通过膜法将碱金属氯化物水溶液，特别是氯化钠水溶液与碱金属氢氧化物，特别是氢氧化钠的水溶液电解为阴极电解液的方法，其中碱金属 阳极半元件中的氯化物溶液和/或阳极半元件中的碱金属氯化物溶液的体积流速设定为使得碱金属氢氧化物溶液在入口处的温度之间的差异 阴极半体元件和阴极半元件出口处的碱金属氢氧化物溶液的温度不大于15℃。
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10.发明授权公开(公告)号：US06790339B2
公开(公告)日：2004-09-14
申请号：US10207937
申请日：2002-07-30
IPC分类号： C25C102
CPC分类号： C25B1/26
摘要： The invention relates to a process for the electrochemical preparation of chlorine from aqueous solutions of hydrogen chloride in an electrolysis cell, comprising an anode chamber and a cathode chamber, the anode chamber being separated from the cathode chamber by a cation exchange membrane, the anode chamber containing an anode and the cathode chamber a gas diffusion cathode, and the aqueous solution of hydrogen chloride being passed into the anode chamber and an oxygen-containing gas into the cathode chamber, and the oxygen pressure in the cathode chamber being at least about 1.05 bar.
摘要翻译： 本发明涉及一种在电解池中从氯化氢水溶液电化学制备氯的方法，包括阳极室和阴极室，阳极室通过阳离子交换膜与阴极室分离，阳极室 含有阳极和阴极室的气体扩散阴极，氯化氢水溶液进入阳极室，含氧气体进入阴极室，阴极室中的氧气压力至少为1.05巴 。
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