Electrochemical half-cell
    1.
    发明授权
    Electrochemical half-cell 有权
    电化学半电池

    公开(公告)号:US07691242B2

    公开(公告)日:2010-04-06

    申请号:US12141399

    申请日:2008-06-18

    IPC分类号: C25B9/08

    CPC分类号: C25B9/08 C25B9/04 C25B11/035

    摘要: The present invention describes an electrochemical half-cell, comprising a gas space, an electrolyte space and a gas diffusion electrode in the form of a cathode or anode. The gas diffusion electrode separates the gas space from the electrolyte space and comprises an electrically conductive substrate and an electrochemically active coating. The gas diffusion electrode includes a coating-free edge region and is connected to a support structure in the coating-free edge region via an electrically conductive plate, which covers at least the coating-free edge region as well as a coated edge region.

    摘要翻译: 本发明描述了一种电化学半电池,包括气体空间,电解质空间和阴极或阳极形式的气体扩散电极。 气体扩散电极将气体空间与电解质空间分离,并且包括导电基底和电化学活性涂层。 气体扩散电极包括无涂层的边缘区域,并且经由导电板连接到无涂层边缘区域中的支撑结构,导电板至少覆盖无涂层边缘区域以及涂覆的边缘区域。

    ELECTROCHEMICAL HALF-CELL
    2.
    发明申请
    ELECTROCHEMICAL HALF-CELL 有权
    电化学半导体

    公开(公告)号:US20080296153A1

    公开(公告)日:2008-12-04

    申请号:US12141399

    申请日:2008-06-18

    IPC分类号: C25B11/02

    CPC分类号: C25B9/08 C25B9/04 C25B11/035

    摘要: The present invention describes an electrochemical half-cell, comprising a gas space, an electrolyte space and a gas diffusion electrode in the form of a cathode or anode. The gas diffusion electrode separates the gas space from the electrolyte space and comprises an electrically conductive substrate and an electrochemically active coating. The gas diffusion electrode includes a coating-free edge region and is connected to a support structure in the coating-free edge region via an electrically conductive plate, which covers at least the coating-free edge region as well as a coated edge region.

    摘要翻译: 本发明描述了一种电化学半电池,包括气体空间,电解质空间和阴极或阳极形式的气体扩散电极。 气体扩散电极将气体空间与电解质空间分离,并且包括导电基底和电化学活性涂层。 气体扩散电极包括无涂层的边缘区域,并且经由导电板连接到无涂层边缘区域中的支撑结构,导电板至少覆盖无涂层边缘区域以及涂覆的边缘区域。

    Electrochemical half-cell
    3.
    发明申请
    Electrochemical half-cell 审中-公开
    电化学半电池

    公开(公告)号:US20050224341A1

    公开(公告)日:2005-10-13

    申请号:US10882644

    申请日:2004-07-02

    CPC分类号: C25B9/08 C25B9/04 C25B11/035

    摘要: The present invention describes an electrochemical half-cell, comprising a gas space, an electrolyte space and a gas diffusion electrode in the form of a cathode or anode. The gas diffusion electrode separates the gas space from the electrolyte space and comprises an electrically conductive substrate and an electrochemically active coating. The gas diffusion electrode includes a coating-free edge region and is connected to a support structure in the coating-free edge region via an electrically conductive plate, which covers at least the coating-free edge region as well as a coated edge region.

    摘要翻译: 本发明描述了一种电化学半电池,包括气体空间,电解质空间和阴极或阳极形式的气体扩散电极。 气体扩散电极将气体空间与电解质空间分离,并且包括导电基底和电化学活性涂层。 气体扩散电极包括无涂层的边缘区域,并且经由导电板连接到无涂层边缘区域中的支撑结构,导电板至少覆盖无涂层边缘区域以及涂覆的边缘区域。

    Structural unit for bipolar electrolysers
    4.
    发明申请
    Structural unit for bipolar electrolysers 审中-公开
    双极电解器结构单元

    公开(公告)号:US20050077068A1

    公开(公告)日:2005-04-14

    申请号:US10963511

    申请日:2004-10-14

    CPC分类号: C25B9/063 C25B1/26 C25B9/066

    摘要: The invention describes a structural unit for bipolar electrolysers according to the filter press technique, at least comprising a first half-shell, a second half-shell and a frame-shaped carrier element, in which at least one of the half-shells contains plastics material, the two half-shells are arranged within the carrier element so that the rear wall of the first half-shell and the rear wall of the second half-shell abut one another, the carrier element as well as the two half-shells have at least two openings for the inflow and outflow of electrolyte and/or gas, and the two half-shells have passages lying above one another in the floor for accommodating at least one electrically conducting connecting element, to which is secured in the first half-shell a first electrode and in the second half-shell a second electrode.

    摘要翻译: 本发明描述了根据压滤技术的双极电解器的结构单元,至少包括第一半壳,第二半壳和框架状载体元件,其中至少一个半壳包含塑料 材料中,两个半壳布置在载体元件内,使得第一半壳的后壁和第二半壳的后壁彼此邻接,载体元件以及两个半壳具有 用于电解质和/或气体的流入和流出的至少两个开口,并且两个半壳具有在地板中彼此相对的通道,用于容纳至少一个导电连接元件,固定在其中的第一半 第一电极和第二半壳中的第二电极。

    Electrochemical cell
    5.
    发明申请
    Electrochemical cell 审中-公开
    电化学电池

    公开(公告)号:US20050029116A1

    公开(公告)日:2005-02-10

    申请号:US10897430

    申请日:2004-07-23

    IPC分类号: C25B9/08 C25C1/00

    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。

    Electrochemical cell
    6.
    发明申请
    Electrochemical cell 有权
    电化学电池

    公开(公告)号:US20050277016A1

    公开(公告)日:2005-12-15

    申请号:US11106658

    申请日:2005-04-15

    IPC分类号: C25B9/08 C25B15/08 H01M4/00

    CPC分类号: C25B9/08 C25B15/08

    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。

    Electrolysis cell, especially for electrochemical production of chlorine
    7.
    发明申请
    Electrolysis cell, especially for electrochemical production of chlorine 有权
    电解池,特别用于电化学生产氯

    公开(公告)号:US20050173257A1

    公开(公告)日:2005-08-11

    申请号:US10491621

    申请日:2002-09-19

    CPC分类号: C25B9/08 C25B9/02

    摘要: An electrolysis cell, suitable for the electrochemical production of chlorine from aqueous solutions of hydrogen chloride. The cell preferably comprises an anode space formed from an anode, an anode frame, and a back wall, the anode frame supporting the anode, and the anode space having an inlet and an outlet for the electrolyte, a cathode space formed from a current collector. The cell further preferably comprises a cathode frame and a back wall, the cathode frame supporting the current collector and the cathode space having an inlet and an outlet for the gas, a gas diffusion electrode arranged between anode and current collector and an cation exchange membrane arranged between anode and gas diffusion electrode, wherein the gas diffusion electrode is fixed on the current collector.

    摘要翻译: 一种电解槽,适用于从氯化氢水溶液中电化学生成氯。 电池优选地包括由阳极,阳极框架和后壁形成的阳极空间,阳极框架支撑阳极,阳极空间具有用于电解质的入口和出口,由集电器形成的阴极空间 。 电池还优选包括阴极框架和后壁,支撑集电器的阴极框架和具有用于气体的入口和出口的阴极空间,布置在阳极和集电器之间的气体扩散电极和布置在阳极和集电器之间的阳离子交换膜 在阳极和气体扩散电极之间,其中气体扩散电极固定在集电器上。

    Electrolysis cell, especially for electrochemical production of chlorine
    8.
    发明授权
    Electrolysis cell, especially for electrochemical production of chlorine 有权
    电解池,特别用于电化学生产氯

    公开(公告)号:US07329331B2

    公开(公告)日:2008-02-12

    申请号:US10491621

    申请日:2002-09-19

    IPC分类号: C25B9/12

    CPC分类号: C25B9/08 C25B9/02

    摘要: An electrolysis cell, suitable for the electrochemical production of chlorine from aqueous solutions of hydrogen chloride. The cell preferably comprises an anode space formed from an anode, an anode frame, and a back wall, the anode frame supporting the anode, and the anode space having an inlet and an outlet for the electrolyte, a cathode space formed from a current collector. The cell further preferably comprises a cathode frame and a back wall, the cathode frame supporting the current collector and the cathode space having an inlet and an outlet for the gas, a gas diffusion electrode arranged between anode and current collector and an cation exchange membrane arranged between anode and gas diffusion electrode, wherein the gas diffusion electrode is fixed on the current collector.

    摘要翻译: 一种电解槽,适用于从氯化氢水溶液中电化学生成氯。 电池优选地包括由阳极,阳极框架和后壁形成的阳极空间,阳极框架支撑阳极,阳极空间具有用于电解质的入口和出口,由集电器形成的阴极空间 。 电池还优选包括阴极框架和后壁,支撑集电器的阴极框架和具有用于气体的入口和出口的阴极空间,布置在阳极和集电器之间的气体扩散电极和布置在阳极和集电器之间的阳离子交换膜 在阳极和气体扩散电极之间,其中气体扩散电极固定在集电器上。

    Electrolysis cell, in particular for the electrochemical preparation of chlorine
    9.
    发明授权
    Electrolysis cell, in particular for the electrochemical preparation of chlorine 失效
    电解池,特别用于电化学制备氯气

    公开(公告)号:US06841047B2

    公开(公告)日:2005-01-11

    申请号:US10214480

    申请日:2002-08-02

    CPC分类号: C25B9/08 C25B1/26 C25B9/04

    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。

    Method for producing gas diffusion electrodes
    10.
    发明授权
    Method for producing gas diffusion electrodes 有权
    气体扩散电极的制造方法

    公开(公告)号:US06838408B2

    公开(公告)日:2005-01-04

    申请号:US10815711

    申请日:2004-04-02

    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。