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1.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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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：US07211177B2
公开(公告)日：2007-05-01
申请号：US10331999
申请日：2002-12-31
IPC分类号： C25B11/04
CPC分类号： C25B11/0478
摘要： Electrode at least comprising an electroconductive support of a titanium-palladium alloy, titanium, tantalum or compounds or alloys of titanium or of tantalum, an electrochemically active coating and an interlayer between the support and the electrochemically active coating, wherein the interlayer consists of titanium carbide and/or titanium boride and is applied to the support by flame or plasma spraying. Process for producing these electrodes and their use in an electrochemical cell for producing chlorine or chromic acid.
摘要翻译： 电极至少包括钛 - 钯合金，钛，钽或钛或钽的化合物或合金的导电载体，电化学活性涂层和载体与电化学活性涂层之间的中间层，其中夹层由碳化钛 和/或硼化钛，并通过火焰或等离子体喷涂施加到载体上。 制造这些电极的方法及其用于生产氯或铬酸的电化学电池中的用途。
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5.发明授权公开(公告)号：US06402930B1
公开(公告)日：2002-06-11
申请号：US09654553
申请日：2000-09-01
申请人： Robert J. Allen , James R. Giallombardo , Daniel Czerwiec , Emory S. De Castro , Khaleda Shaikh , Fritz Gestermann , Hans-Dieter Pinter , Gerd Speer
发明人： Robert J. Allen , James R. Giallombardo , Daniel Czerwiec , Emory S. De Castro , Khaleda Shaikh , Fritz Gestermann , Hans-Dieter Pinter , Gerd Speer
IPC分类号： C25B1104
CPC分类号： C25B1/26 , C25B9/10 , C25B11/04 , C25B11/0447 , H01M4/92
摘要： A process for electrolyzing an aqueous solution of hydrochloric acid to chlorine in an electrochemical cell provided with an anode compartment and a cathode compartment including at least one gas diffusion cathode comprising an electrically conductive web provided on at least one side thereof with a coating of a catalyst for the electroreduction of oxygen comprising rhodium sulfide and optionally containing at least one fluorinated binder incorporated therein, comprising introducing aqueous hydrochloric acid containing contaminant species into the anode compartment and oxygen into the cathode compartment while impressing a direct electric current on the cell.
摘要翻译： 一种在具有阳极室和阴极室的电化学电池中电解盐酸水溶液的方法，所述电化学电池包括至少一个气体扩散阴极，所述气体扩散阴极至少在其一侧设置有导电性网，并具有催化剂涂层 用于对包含硫化铑的氧的电还原，并且任选地含有至少一种掺入其中的氟化粘合剂，包括将含有污染物质的盐酸引入阳极室和氧进入阴极室，同时在电池上施加直流电流。
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公开(公告)号：US20060249378A1
公开(公告)日：2006-11-09
申请号：US11484118
申请日：2006-07-11
申请人： Fritz Gestermann , Martin Sturmann , Gerd Speer , Michael Granz , Peter Kohl
发明人： Fritz Gestermann , Martin Sturmann , Gerd Speer , Michael Granz , Peter Kohl
CPC分类号： H01M4/8807 , C25B11/035 , C25B11/0489 , H01M4/8605 , H01M4/886 , H01M4/921 , H01M4/923
摘要： The present invention discloses a process for the production of a gas diffusion electrode, in particular for the electrolysis of an aqueous solution of hydrogen chloride, in a first step a) a dispersion of a catalyst containing a noble metal and of a proton-conducting ionomer in an organic solvent being sprayed onto an electrically conductive support optionally provided with a coating material containing an acetylene black/polytetrafluoroethylene mixture and, in a second step b), the organic solvent being removed.
摘要翻译： 本发明公开了一种制备气体扩散电极的方法，特别是用于电解氯化氢水溶液的方法，第一步是a）含有贵金属和质子导电离聚物的催化剂的分散体 在有机溶剂中喷涂到任选设置有含有乙炔黑/聚四氟乙烯混合物的涂料的导电载体上，在第二步骤b）中，除去有机溶剂。
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