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    APPARATUS FOR STORING ELECTRIC ENERGY AND METHOD OF OPERATING THE APPARATUS
    24.
    发明专利
    APPARATUS FOR STORING ELECTRIC ENERGY AND METHOD OF OPERATING THE APPARATUS 未知

    公开(公告)号：CA3017022A1

    公开(公告)日：2017-09-14

    申请号：CA3017022

    申请日：2017-03-03

    Applicant: BASF SE

    Inventor： HEIDEBRECHT PETER ,  BAYER DOMNIK ,  JABCZYNSKI WOLFGANG ,  ZERPA UNDA JESUS ENRIQUE ,  DUERR ANNA KATHARINA

    IPC: H01M12/08 ,  H01M10/39

    Abstract: The invention relates to a device for storing electrical energy, comprising at least one electrochemical cell (1) having an anode chamber (5) and a cathode chamber (11), which are separated by a solid electrolyte (3), and comprising a first store (7) for anode material which is connected to the anode chamber (5), and a second store (23) for cathode material which is connected to the cathode chamber (11), characterised in that the cathode chamber (11) is also connected to a third store (25), the second store (23) and the third store (25) are connected to one another via a gas line (33), wherein the gas line (33) enters in the upper region of the second store (23) and the third store (25) and a conveying device (35) for gas having a reversible conveying direction is accommodated in the gas line (33), and wherein (i) the second store (23) has a withdrawal point (27) in the lower region of the store (23), which is connected to a line (17) that enters in the upper region of the cathode chamber (11), and the third store (25) has a withdrawal point (29) at the surface (31) of the fluid contained in the third store (25), which is connected to a line (19) that enters in the lower region of the cathode chamber (11), or (ii) the second store (23) and the third store (25) each have a withdrawal point (41) in the lower region of the store, which are connected to a line (19) that enters in the lower region of the cathode chamber (11), and each have a withdrawal point (43) at the surface (31) of the fluid contained in the store (23, 25), which are connected to a line (17) that enters in the upper region of the cathode chamber (11). The invention also relates to a method for operating the device.

    ELECTRODE UNIT
    25.
    发明专利
    ELECTRODE UNIT 未知

    公开(公告)号：CA2876262A1

    公开(公告)日：2013-12-19

    申请号：CA2876262

    申请日：2013-06-11

    Applicant: BASF SE

    Inventor： HUBER GUNTHER ,  ZERPA UNDA JESUS ENRIQUE ,  LUTZ MICHAEL ,  HEIDEBRECHT PETER ,  BAYER DOMNIK ,  JABCZYNSKI WOLFGANG ,  DURR ANNA KATHARINA ,  FREITAG KATRIN

    IPC: H01M10/38 ,  H01M2/16 ,  H01M10/39 ,  H01M10/42

    Abstract: Electrode unit for an electrochemical device, comprising a solid electrolyte (3) and a porous electrode (7), wherein the solid electrolyte (3) separates a space for cathode material and a space for anode material and the porous electrode (7) is connected in surface-area contact to the solid electrolyte (3), wherein a displacer (23) is accommodated in the space for anode material, wherein the displacer (23) is produced from a high-grade steel or from graphite foil and comes to lie against the inner geometry of the solid electrolyte (3) in a resilient manner such that the displacer (23) does not contact the solid electrolyte over the full surface area, or wherein the displacer comprises an outer shell (62) made of high-grade steel or graphite and a core (64) made of a nonferrous metal, wherein the nonferrous metal is thermoplastically deformable at a temperature that is lower than the temperature at which the high-grade steel is thermoplastically deformable, and wherein, for production, the high-grade steel or graphite shell (62) is pressed against the solid electrolyte (3) by introducing and heating the nonferrous metal and, during cooling down, a gap forms between the solid electrolyte (3) and the high-grade steel shell (62).

    ELECTRODE UNIT FOR AN ELECTROCHEMICAL DEVICE
    26.
    发明专利
    ELECTRODE UNIT FOR AN ELECTROCHEMICAL DEVICE 未知

    公开(公告)号：CA2938903C

    公开(公告)日：2022-09-20

    申请号：CA2938903

    申请日：2015-01-28

    Applicant: BASF SE

    Inventor： DURR ANNA KATHARINA ,  ZERPA UNDA JESUS ENRIQUE ,  ACHHAMMER GUNTHER ,  BAYER DOMNIK ,  HEIDEBRECHT PETER ,  MEUER STEFAN

    IPC: H01M10/39

    Abstract: An electrode unit for an electrochemical device, comprising (i) a solid electrolyte which divides a space for molten cathode material, selected from the group consisting of elemental sulfur and polysulfide of the alkali metal anode material, and a space for molten alkali metal anode material, and (ii) a porous solid state electrode directly adjacent to the solid electrolyte within the space for the cathode material, with a non-electron-conducting intermediate layer S present between the solid state electrode and the solid electrolyte, wherein this intermediate layer S has a thickness in the range from 0.5 to 5mm and, before the first charge of the electrochemical device, has been impregnated fully with a polysulfide composition, comprising (A) pure polysulfides Met2S), with Met = alkali metal of the alkali metal anode material selected from lithium, sodium, potassium, and x is dependent on the alkali metal and is 2, 3, 4 or 5 for Na and is 2, 3, 4, 5, 6, 7, 8 for Li and is 2, 3, 4, 5, 6 for K, or (B) mixtures of the polysulfides of one and the same alkali metal from (A) with one another.

    Unidad de electrodo para un dispositivo electroquímico
    28.
    发明专利
    Unidad de electrodo para un dispositivo electroquímico 未知

    公开(公告)号：ES2829924T3

    公开(公告)日：2021-06-02

    申请号：ES15703513

    申请日：2015-01-28

    Applicant: BASF SE

    Inventor： DÜRR ANNA KATHARINA ,  ZERPA UNDA JESUS ENRIQUE ,  ACHHAMMER GÜNTHER ,  BAYER DOMNIK ,  HEIDEBRECHT PETER ,  MEUER STEFAN

    IPC: H01M10/39

    Abstract: Unidad de electrodo para un dispositivo electroquimico, que comprende (i) un electrolito fijo (3), que separa un espacio (4) para material catodico fluido, seleccionado del grupo que consiste en azufre elemental y polisulfuro del material anodico de metal alcalino, y un espacio (5) para material anodico de metal alcalino fluido asi como (ii) un electrodo solido poroso (2), que se encuentra en el espacio (4) para material catodico directamente adyacente al electrolito fijo (3), en donde una capa intermedia S (7) no conductora de electrones se encuentra entre el electrodo solido (2) y el electrolito fijo (3), caracterizada por que esta capa intermedia S (7) tiene un espesor en el intervalo de 1,0 a 5 mm y, antes de la primera carga del dispositivo electroquimico, esta completamente impregnada con una composicion de polisulfuros que contiene (A) polisulfuros puros Met2Sx con Met = metal alcalino del material anodico de metal alcalino seleccionado de litio, sodio, potasio y x depende del metal alcalino y es para Na = 2, 3, 4 o 5 y para Li = 2, 3, 4, 5, 6, 7, 8 y para K = 2, 3, 4, 5, 6 o (B) mezclas de los polisulfuros de un mismo metal alcalino de (A) entre si.

    Electrode unit for an electrochemical device
    30.
    发明专利
    Electrode unit for an electrochemical device 未知

    公开(公告)号：AU2015215105B2

    公开(公告)日：2019-04-04

    申请号：AU2015215105

    申请日：2015-01-28

    Applicant: BASF SE

    Inventor： DURR ANNA KATHARINA ,  ZERPA UNDA JESUS ENRIQUE ,  ACHHAMMER GUNTHER ,  BAYER DOMNIK ,  HEIDEBRECHT PETER ,  MEUER STEFAN

    IPC: H01M10/39

    Abstract: The invention relates to an electrode unit for an electrochemical device, comprising (i) a solid electrolyte, which separates a space for molten cathode material selected from the group consisting of elemental sulfur and polysulfide of the alkali metal anode material and a space for molten alkali metal anode material, and (ii) a porous solid electrode, which is located in the space for the cathode material directly adjacent to the solid electrolyte. Situated between the solid electrode and the solid electrolyte is a non-electron-conducting intermediate layer S, characterized in that prior to the first charging of the electrochemical device, said intermediate layer S is completely saturated with a polysulfide composition containing (A) clean polysulfide met where met = alkali metal of the alkali metal anode material selected from lithium, sodium, potassium, and x is a function of the alkali metal, and for Na = 2, 3, 4, or 5, and for Li = 2, 3, 4, 5, 6, 7, 8 and for K = 2, 3, 4, 5, 6, or (B) mixtures of the polysulphides of one and the same alkali metal from (A) between each other.

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