REFERENCE ELECTRODE FOR ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY

    公开(公告)号:EP4421484A1

    公开(公告)日:2024-08-28

    申请号:EP23158219.8

    申请日:2023-02-23

    IPC分类号: G01N27/30 G01N27/403

    CPC分类号: G01N27/301 G01N27/026

    摘要: The present invention refers to a reference electrode for electrochemical impedance spectroscopy, particularly to a reference electrode for electrochemical impedance spectroscopy in an electrochemical cell at high and low frequencies from the MHz to the mHz range due to its lower internal impedance in comparison to commercial reference electrodes.
    A reference electrode for electrochemical impedance spectroscopy in an electrochemical cell (18) filled with a measurement electrolyte (15) is disclosed, the reference electrode comprising a main probe (1) formed of a conductive metal and having a proximal and a distal end, wherein the distal end has a coating (7) with a salt of the metal of the main probe (1), wherein the proximal end of the main probe (1) extends to outside the reference electrode for being connected to a potentiostat to sense the potential; an inner compartment (3) adapted to accommodate an inner electrolyte (8); an outer compartment (4) isolated from and enclosing the inner compartment (3), and adapted to accommodate an outer electrolyte (10) separated from the inner electrolyte (8), wherein the outer compartment (4) is configured to be immersed in the measurement electrolyte (15) of the electrochemical cell (18), wherein the outer compartment (4) has an opening to provide a pathway for ion diffusion between the outer electrolyte (10) and the measurement electrolyte (15); and a frit (9) to separate the inner from the outer compartment (3, 4) and to provide a pathway for ion diffusion between the inner electrolyte (8) and the outer electrolyte (10); wherein the reference electrode further comprises an electrical bypass (13) including an electrical bypass probe (2) to bypass at least one pathway for ion diffusion.

    A REFERENCE ELECTRODE WITH A PORE MEMBRANE
    8.
    发明公开
    A REFERENCE ELECTRODE WITH A PORE MEMBRANE 审中-公开
    BEZUGSELEKTRODE MIT EINER PORENMEMBRAN

    公开(公告)号:EP3088879A1

    公开(公告)日:2016-11-02

    申请号:EP15166085.9

    申请日:2015-04-30

    IPC分类号: G01N27/30

    摘要: A reference electrode (600) for being immersed in a bulk solution. The reference electrode comprises a reservoir (650) having reservoir walls defining a reservoir volume filled with an electrolyte; an electrode (620) in the reservoir, in contact with the electrolyte. The reservoir (650) of the reference electrode is closed except for the presence of at least one pore (651) in at least one of the reservoir walls, the at least one pore (651) being filled with electrolyte and being adapted for allowing ionic contact between the electrolyte in the reservoir and the bulk solution into which the reference electrode is to be immersed.

    摘要翻译: 用于浸入本体溶液中的参比电极(600)。 参考电极包括具有限定填充有电解质的储存器体积的储存器壁的储存器(650) 储存器中的与电解质接触的电极(620)。 除了在至少一个储存器壁中存在至少一个孔(651)之外,参考电极的储存器(650)是封闭的,所述至少一个孔(651)填充有电解质并适于允许离子 储存器中的电解液与参比电极将浸入其中的本体溶液之间的接触。

    ANALYTE SENSOR
    9.
    发明公开
    ANALYTE SENSOR 有权
    ANALYTSENSOR

    公开(公告)号:EP2807477A4

    公开(公告)日:2015-11-25

    申请号:EP13741422

    申请日:2013-01-24

    发明人: LEE ERIC

    摘要: Matrix materials such polymers derivatives to contain a redox active material can be used to form electrodes and probes suitable for use in pH meters and other analyte sensing devices.

    摘要翻译: 用于含有氧化还原活性物质的这种聚合物衍生物的基质材料可用于形成适用于pH计和其它分析物感测装置的电极和探针。

    ANALYTE SENSOR
    10.
    发明公开
    ANALYTE SENSOR 有权
    分析传感器

    公开(公告)号:EP2807477A1

    公开(公告)日:2014-12-03

    申请号:EP13741422.3

    申请日:2013-01-24

    发明人: LEE, Eric

    IPC分类号: G01N27/30 G01N27/416

    摘要: Matrix materials such polymers derivatives to contain a redox active material can be used to form electrodes and probes suitable for use in pH meters and other analyte sensing devices.

    摘要翻译: 包含氧化还原活性材料的基质材料如聚合物衍生物可用于形成适用于pH计和其他分析物检测装置的电极和探针。