A cell layer for an electrochemical cell unit and a method of manufacturing the same. The cell layer comprising a support structure having first and second sides, the support structure comprising a fluid communication region providing fluidic communication between the sides and a fluid blocking region. The second side of the support structure carrying a first electrode, an electrolyte and a counter-electrode provided and forming an electrochemically active cell region (EACR) over at least a portion of the fluid communication region. The support structure has a greater extent than the EACR thereby forming an electrochemically inactive region (EIR). An electrically insulating layer (EIL) is provided on the second side of the support structure across at least a portion of the EIR and is not provided across the EACR.
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
H01M 8/2432 - Grouping of unit cells of planar configuration
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Widenmeyer, Markus
Abstract
The invention relates to a liquid composition (10) for coating applications, said liquid composition (10) at least comprising: based on the total mass of the liquid composition (10), at least 10 mass-% water; one or more metals, said one or more metals at least comprising a first metal that is capable of adopting oxidation state +4; and at least one nitrogen-containing cation, wherein the ratio of the molar concentration of said nitrogen-containing cation in the liquid composition (10) to the molar concentration of the one or more metals in the liquid composition (10) is at least 0.05 : 1.00. The invention also relates to a method of producing liquid compositions for coating applications, to a method of coating a workpiece (12) and to an electrochemical cell.
H10K 30/30 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
3.
ELECTROCHEMICAL CELL STACK WITH CR-GETTER MATERIAL
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Runge, Henrico
Lewin, Greg
Lankin, Mike
Abstract
The invention relates to an electrochemical cell stack (10), comprising a plurality of cell units (12), wherein each cell unit comprises an electrochemically active cell region (26) on a first side (38) thereof and an electrical connection region (72) on a second side (40) thereof. The cell units are stacked upon one another along a stacking direction (14) such that the electrical connection region of a first cell unit overlies at least part of the electrochemically active cell region of a second, neighbouring cell unit. Between two neighbouring cell units, there is provided a chromium-getter material (76).
H01M 8/0228 - Composites in the form of layered or coated products
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
H01M 8/2432 - Grouping of unit cells of planar configuration
4.
METHOD OF OPERATING AN ELECTROCHEMICAL CELL, CONTROL SYSTEM AND ELECTROCHEMICAL CELL SYSTEM
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Lehle, Hartwig
Reinhardt, Goetz
Runge, Henrico
Abstract
The invention relates to a method of operating an electrochemical cell, the method comprising determining a cell voltage, comparing the cell voltage with a minimum cell voltage corresponding to an end-of-life state of the cell, wherein the minimum cell voltage is updated over the lifetime of the cell depending on an area specific resistance of the cell. The invention also relates to a control system for controlling operation of an electrochemical cell, to an electrochemical cell system, and to computer- implemented methods of determining an end-of-life state of an electrochemical cell.
A method of controlling the temperature of an inlet fluid of at least one electrolyser cell stack. The at least one electrolyser cell stack comprising at least one fluid inlet for the inlet fluid and at least one fluid outlet for an outlet fluid, the method comprising: predicting, based on a model, an outlet fluid temperature a desired operating condition; and setting an inlet fluid temperature setpoint based on the predicted outlet fluid temperature; the method further comprising: receiving a measurement of the temperature of the outlet fluid; determining an delta between the predicted outlet fluid temperature and the measurement of the outlet fluid temperature; and inputting a correcting parameter into the model based on said determined delta.
A component for a solid oxide electrochemical cell is disclosed. The component comprises a stainless-steel substrate comprising a first surface and a second surface, a first coating layer on the first surface, the first coating layer comprising a nickel chromium alloy. Also disclosed is a method for making a component for a solid oxide electrochemical cell by depositing a first coating layer on a surface of a stainless-steel substrate, the first coating layer comprising a nickel chromium alloy.
A method of operating an electrolyser system comprising a plurality of stacks of electrolyser cell units. A production rate differs between stacks of the plurality of stacks. The method comprising: identifying a first subset of the plurality of stacks characterised by a first production rate at a nominal temperature and voltage; identifying a second subset of the plurality of stacks characterised by a second production rate at the nominal temperature and voltage; and identifying an overall production rate target for the plurality of stacks. The method further comprising: determining a plurality of subsidiary production rate targets for the respective subsets of the plurality of stacks based on dividing the overall production rate target by the number of stacks in the plurality of stacks; deriving a value for a first control parameter for the first subset of the plurality of stacks to satisfy their subsidiary production rate target; and controlling the plurality of stacks at the overall production rate target using a first control parameter derived for the first subset of the plurality of stacks.
A method of operating an electrochemical cell system. The system comprising a plurality of electrochemical cell arrays, each said electrochemical cell array having an expected array lifetime divided into a set of predefined operational time intervals, each said operational time interval having an associated array replacement rule and system control strategy. The method comprises: performing at least periodic detections for a failure condition amongst the plurality of electrochemical cell arrays; upon detecting a failure condition in an electrochemical cell array, determining in which of said operational time intervals the electrochemical cell array having the failure condition is in; and for the electrochemical cell array having the failure condition, following the associated array replacement rule and system control strategy for that operational time interval.
H01M 8/04298 - Processes for controlling fuel cells or fuel cell systems
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
H01M 8/04313 - Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variablesProcesses for controlling fuel cells or fuel cell systems characterised by the detection or assessment of failure or abnormal function
Apparatus is disclosed comprising a solid oxide electrochemical cell having an oxygen supply inlet and a cell exhaust outlet. The apparatus has a getter material containing praseodymium, the getter material being situated between the oxygen supply inlet and cell exhaust outlet. The apparatus may have a getter unit containing a getter material comprising praseodymium. Also disclosed are porous monoliths comprising a ceramic material that may be used as getter materials or supports, and methods of forming such porous monoliths and coating porous ceramic monoliths with a getter material.
An enclosure for housing at least one stack of electrochemical cell units. The enclosure comprising a vessel, thermal insulation and an inner skin. The thermal insulation being disposed between an outer face of the inner skin and an inner face of the vessel. The inner skin forming at least part of a common volume in the enclosure within which said at least one stack of electrochemical cell units is located. The enclosure comprising an adjustment mechanism to mechanically alter a shape of the inner skin, such that the inner skin is configured to be reshaped to urge an outermost face of the thermal insulation towards the inner face of the vessel.
An electrochemical cell system. The electrochemical cell system comprising one or more stack of cell units arranged in an enclosure, the enclosure extending lengthwise parallel to a first axis and one or more electrical connector, configured to provide electrical power to or from said one or more stack, each said electrical connector extending between a first connection point for electrically connecting that electrical connector out of the enclosure and a second connection point for electrically connecting that electrical connector to one or more stack, said first and second connection points being separated by a distance extending parallel to the first axis. Said one or more electrical connector comprises at least one portion that extends laterally relative to said first axis, said portion being configured to deform to accommodate changes in length between said connection points caused by temperature changes within the enclosure.
An electrochemical cell apparatus comprising an enclosure and a stack of electrochemical cell units, the stack being contained within the enclosure. The apparatus comprising a manifold for supply of fluid to or exhaust of fluid from the stack, wherein the manifold is fixed relative to the enclosure at a first part of the manifold, and a support structure for the manifold at a second part of manifold. The support structure configured to allow relative movement between said second part and the enclosure. A thermal insulation layer is provided inside said enclosure defining a thermally insulated space in which said stack and manifold are located. A sensor assembly penetrates the enclosure and the thermal insulation layer. A receptacle is attached to or unitary with the manifold, the stack or a branch of the manifold. The sensor assembly is fitted into the receptacle and is configured to be flexible and movable in a lateral direction, relative to the sensor assembly's direction of penetration through the enclosure and the thermal insulation layer.
A method of operating an electrolyser system comprising one or more stacks of electrolyser cell units Each of the one or more stacks having fuel and oxygen volumes. The method comprises operating the electrolyser system in a product-generating mode by supplying fuel at an operating temperature or operating the electrolyser system in a warm up mode, determining a standby condition, and transitioning to a standby state based on the standby condition.
A method of operating an electrolyser system The electrolyser system comprising one or more stacks of electrolyser cell units, each of the one or more stacks having fuel and oxygen volumes. The method comprising operating the electrolyser system in an operating mode, the operating mode comprising one of a product-generating mode at an operating temperature, a warm up mode, or a standby mode; determining a shutdown condition; and transitioning to a shutdown mode based on the shutdown condition.
A system and method for the system. The system comprising at least two pressurisable fluid volumes which are not in fluidic communication with one another, at least two pressure regulators configured to regulate pressure in the respective at least two pressurisable fluid volumes, at least two pilot lines, each configured to provide a reference pressure to a respective one of the at least two pressure regulators, and a flow restriction device. The system is configured such that in a depressurisation condition the at least two pilot lines are in fluidic communication with one another and with the flow restriction device. Further, in the depressurisation condition, the pilot lines are configured to gradually depressurise by flow of fluid therein through the flow restriction device, thereby reducing the reference pressures for the at least two pressure regulators.
An electrochemical cell system comprising an enclosure, a plurality of stacks of electrochemical cell units contained within the enclosure, and a manifold configured to supply fluid to and/or exhaust fluid from the plurality of stacks. The manifold is configured to be supported by and fixed to a first location at a first end of the enclosure. The manifold is further configured to be supported by, and articulated relative to, the enclosure at a second location within the enclosure, distal from the first end of the enclosure.
A method of and control device for controlling an electrolyser cell stack of an electrolyser in an electrolyser system. The stack comprises a fluid inlet and one or more fluid outlets. The electrolyser system comprises a fluid temperature control system for controlling temperature of a fluid entering the stack at the fluid inlet, a power control system for controlling one of a current supply to or a voltage supply to the stack and for determining the other one of current supply to or voltage supply to the stack, an inlet temperature monitoring and/or control system for determining an inlet temperature at the fluid inlet and an outlet temperature monitoring and/or control system for determining an outlet temperature at at least one of the one or more fluid outlets. The method comprises controlling either the current supply to the stack to a fixed input current or the voltage supply to the stack to a fixed input voltage and controlling the inlet temperature to be offset from and higher than a determined outlet temperature by an offset value.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Haeffelin, Andreas
Giesselmann, Nils
Meister, Konrad
Hercz, Zoltan
Zielonka, Paul
Abstract
The invention relates to an electrochemical cell unit (12), comprising a support plate (20) having a periphery (22) and a central portion (24) surrounded by the periphery and carrying electrochemically active layers (26), and an interconnector plate (30) having a periphery (32) and a central portion (34) surrounded by the periphery, wherein the support plate and the interconnector plate are stacked upon one another along a stacking direction (14), such that the central portion of the support plate and the central portion of the interconnector plate (30) overlap, wherein the central portion of the support plate and the central portion of the interconnector plate are electrically connected to each other in at least one connection area (60) within said central portions. The invention also relates to a stack comprising a plurality of such cell units. The invention also relates to a method of assembly of such a cell unit.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Wang, Xin
Rahman, Mahfujur
Petrushina, Mariia
Yew, Li Sheng
Mckenna, Fiona Mairead
Widenmeyer, Markus
Abstract
The invention relates to a method for producing metal compounds for coating applications (10), said method comprising providing a metal beta-dicarbonylate, wherein the metal is a metal of the fourth group in the periodic table, providing a metal carboxylate, wherein the metal is said metal of the fourth group in the periodic table, forming a reaction mixture comprising said metal beta-dicarbonylate, said metal carboxylate, and at least one solvent, and reacting the metal beta-dicarbonylate with the metal carboxylate to obtain a metal compound for coating applications (10). The invention also relates to a metal compound for coating applications (10), to a coating solution (12) and to a method of coating a work piece (14).
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table
C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
21.
PLATE FOR AN ELECTROCHEMICAL CELL ASSEMBLY AND ELECTROCHEMICAL CELL ASSEMBLY
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Truebody, Michael
Jay, Alastair
Abstract
The invention relates to plates for an electrochemical cell assembly (10), preferably fuel cell assembly or electrolyser cell assembly, comprising debris collection features formed in a surface of the plate. The invention also relates to an electrochemical cell assembly comprising such a plate. The invention also relates to a system comprising such an electrochemical cell assembly and a fluid circulation device for circulating a fluid through the electrochemical cell assembly.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
A method of warm up of an electrolyser system comprising one or more stacks of electrolyser cells, each of the one or more stacks with fuel and oxygen volumes. The method comprising heating the one or more stacks to raise the one or more stacks to a first threshold temperature T1. A heat transfer fluid is provided to the fuel volume of each of the one or more stacks when the temperature is above first threshold temperature T1. The temperature of the heat transfer fluid is incrementally increased to further heat the one or more stacks above the first threshold temperature T1. When a second threshold temperature, T2, is reached, fuel is provided to the fuel volume of each of the one or more stacks and electrical current to each of the one or more stacks to generate product via electrolysis.
H01M 8/126 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing cerium oxide
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
24.
CELL UNIT WITH IMPROVED CHEMICAL LAYER ARRANGEMENT, STACK OF CELL UNITS AND METHOD FOR MANUFACTURING
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Reinhardt, Goetz
Link, Katarina
Choolaei, Mehdi
Bone, Paul Adam
Leah, Robert
Lehle, Hartwig
Abstract
The invention provides an electrochemical cell unit (10) with the following general features according to which the cell unit comprises: a support structure (14) carrying cell chemistry layers (18, 20, 22). The cell chemistry layers comprise a fuel electrode layer (18), an oxidant electrode layer (20) and an electrolyte layer (22). The electrolyte layer (22) is located between the fuel electrode layer (18) and oxidant electrode layer (20), and the fuel electrode layer (18) is located between the support structure (14) and the electrolyte layer (22). The support structure (14) comprises a porous region (24) surrounded by a non-porous region (26). At least the electrolyte layer (22) of the cell chemistry layers extends past a perimeter of the porous region (24). An active area of the cell chemistry layers comprises at least the fuel electrode layer (18) and the oxidant electrode layer (20). Typically, the electrolyte layer is present in the active area of the cell chemistry layers and is located between the electrode layers.
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
H01M 8/2432 - Grouping of unit cells of planar configuration
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Haeffelin, Andreas
Giesselmann, Nils
Kegel, Timo
Brittan, Matthew Edward
Abstract
The invention relates to a method for manufacturing an electrochemical cell assembly (10), said method comprising providing a stack (12) of cell units (14), compressing the stack of cell units along a stacking direction (16) and providing the stack of cell units with a holding device (74) for holding compression to obtain an assembled electrochemical cell assembly (10), and performing a heat treatment on said assembled electrochemical cell assembly at a predetermined heating temperature for a predetermined heating time, said heating temperature being equal to or more than 500 °C, wherein no heat treatment at a temperature of equal to or more than 100 °C is performed on the stack of cell units prior to providing the stack of cell units with the holding device.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Haeffelin, Andreas
Panzer, Rainer
Groves, John Robert
Niven, David George
Abstract
The invention relates to an electrochemical cell assembly (10), comprising a stack (16) of stacking units (17), said stacking units comprising cell units (18), wherein each cell unit extends in a first direction and in a second direction, the plurality of cell units comprises electrochemically active cell units (98) and electrochemically inactive dummy cell units (100), adjacent stacking units define a respective fluid flow path between them for fluid to flow in the first direction (26), between a dummy cell unit and an adjacent stacking unit there is provided a flow restriction device (108) comprising at least one flow restriction member (110), said flow restriction device (108) being configured to reduce or prevent fluid flow along said fluid flow path.
A method of manufacturing a component for an electrochemical cell. The method comprising, mechanically flattening a substrate comprising a porous region and a non-porous region, applying a first material on at least part of a surface of the porous region of the substrate as a precursor for, and to form, a first electrode on the substrate, and sintering the component to densify the first material and to thermally grow an oxide coating on the substrate.
H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
B21B 1/38 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
H01M 8/124 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
H01M 8/126 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing cerium oxide
H01M 8/2432 - Grouping of unit cells of planar configuration
222O into first and second products such as hydrogen and oxygen. The cells are exposed to fuel in the fuel space. There is a first exhaust pathway to receive the first product produced by the electrochemical cells and transport it to the exterior of the enclosure and a second exhaust pathway to receive the second product and transport it to the exterior of the enclosure. The arrangement of each cell in an array preferably defines an active fuel volume adjacent to a fuel side of the cell. At least part of the active fuel volume is open to the fuel space defined by the enclosure. In this way, fuel such as steam may be present between multiple cell stacks and all around the cells, in equal concentration at all points in the fuel volume.
An electrochemical cell is disclosed having a first electrolyte layer comprising a material having a composition Ce(1-x-y) PrxLnyO(2-δ), wherein Ln is selected from at least one rare earth metal, 0.1 ≤ x ≤ 0.7. 0 ≤ y ≤ 0.2, and δ is the degree of oxygen deficiency. Methods of 5 producing such electrochemical cells are also disclosed.
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
H01M 8/126 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing cerium oxide
H01M 8/2432 - Grouping of unit cells of planar configuration
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
An electrolyser cell unit, a method of producing an electrolyser cell unit, and a method of operating an electrolyser cell unit. The electrolyser cell unit comprising a support plate having a porous region and an electrochemically active area on the porous region. The electrochemically active area comprising an oxygen electrode, an electrolyte, an interlayer, and a fuel electrode. The oxygen electrode is disposed between the support plate and the electrolyte.
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 1/042 - Hydrogen or oxygen by electrolysis of water by electrolysis of steam
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 11/054 - Electrodes comprising electrocatalysts supported on a carrier
C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
31.
ELECTROLYSER SYSTEM AND METHOD OF OPERATION OF ELECTROLYSER SYSTEM
An electrolyser system comprising at least one electrolyser cell comprising a first outlet for exhaust of off-gas from the first fluid volume at a relatively low pressure, a steam supply configured to supply steam at a relatively high pressure, means for mixing two fluids, a first heat exchanger; and a fuel supply. The means for mixing is configured to exhaust, at an intermediate pressure, an intermediate fluid comprising a mixture of steam from the supply and off-gas from the first fluid volume, and the system is configured to route said intermediate fluid to a first path of the first heat exchanger. The first heat exchanger is configured to transfer heat from the first path for the intermediate fluid to a second path for fuel from the fuel supply to separate water from the first product of the electrolyser reaction by condensing liquid water out of the intermediate fluid. The system is configured to route the first product of the electrolyser reaction out of the system at the intermediate pressure, and to route fuel from the second path of the first heat exchanger to a first inlet of the at least one electrolyser cell.
An apparatus comprising an electrolyser subsystem (20), a Haber Bosch subsystem (22), and an Ostwald subsystem (24), and a method for producing nitric acid. Fluid passageways are configured to: route hydrogen produced by the electrolyser subsystem (20) to the Haber Bosch subsystem (22) via a first path (26) for use in a Haber process at the Haber Bosch subsystem (22) to produce ammonia; route at least a portion of the ammonia produced by the Haber Bosch subsystem (22) to the Ostwald subsystem (24) via a second path (28) for use in an Ostwald process at the Ostwald subsystem (24) to produce nitric acid; and route at least a portion of steam produced using heat from the Ostwald subsystem (24) to the electrolyser subsystem (20) via a third path (30) for use as at least a part of an infeed gas for the electrolyser subsystem (20).
An electrochemical cell unit comprising a cell layer comprising an electrochemically active area and a spacer assembly. The spacer assembly is formed by a spacer plate and a flow distribution element. The cell layer and the spacer plate are overlaid in a spaced relationship to enclose a first fluid volume therebetween, wherein a first face of the cell layer faces the spacer plate. The flow distribution element is disposed within the first fluid volume. The first fluid volume comprises a first sub-volume and a second sub-volume with the flow distribution element disposed between the first sub-volume and the second sub-volume. The flow distribution element is configured to allow fluidic communication between the first sub-volume and the second sub-volume at a plurality of locations along the length of the flow distribution element to direct flow in three-dimensions in the first fluid volume.
The present invention provides a heat exchanger and a method of making a heat exchanger, the heat exchanger being formed of at least one pair of single repeat units, each single repeat unit comprising a support layer and an interconnect layer, and in a first pair of the single repeat units, a first single repeat unit and a second single repeat unit is configured with their interconnect layers facing each other to define a first fluid passageway between those interconnect layers; and a second fluid passageway is provided on an opposite side of at least one of those interconnect layers so that the at least one interconnect layer is adapted to exchange heat between fluids within the first and second fluid passageways.
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
The invention relates to an electrochemical cell assembly including a first end plate assembly, a stack of cell repeat units, and a second end plate assembly. The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each include an end plate. The electrochemical cell assembly includes an insulation plate located between the end plate and the stack. At least one through-hole is provided in the insulation plate and a sealing insert is provided in the at least one through-hole of the insulation plate, the sealing insert defining a fluid pathway along the stacking direction. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Giesselmann, Nils
Meister, Konrad
Thandi, Rajan
Andermann, Ashok
Proctor, Andrew
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a stack (16) of cell units (18), wherein in said stack there is provided a fluid inlet manifold (28) and a fluid outlet manifold (30), each cell unit has a fluid inlet port (38) being in communication with the fluid inlet manifold and a fluid outlet port (40) being in communication with the fluid outlet manifold, each cell unit defines an inner fluid flow path (36) for fluid to flow from the fluid inlet port to the fluid outlet port, each cell unit has a fluid permeability along its fluid flow path, an average fluid permeability of the cell units in an upper half (52) of the stack is higher than an average fluid permeability of the cell units in a lower half (54) of the stack.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/1286 - Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
H01M 8/2404 - Processes or apparatus for grouping fuel cells
H01M 8/2432 - Grouping of unit cells of planar configuration
37.
COMPRESSION DEVICE FOR ELECTROCHEMICAL CELL STACKS WITH A NON-LINEAR SPRING DEVICE
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Rogers, Andrew John
Jay, Alastair
Akremi, Belal
Giesselmann, Nils
Abstract
The invention relates to a compression device (10) for exerting a compressive force on an electrochemical cell stack (12), comprising a first compression plate (24) and a second compression plate (26), said first and second compression plates being displaceable towards each other along a compression axis (30) for compressing an electrochemical cell stack received between them, further comprising a spring device (36), comprising at least one spring member (38), for exerting a spring force on the first compression plate, said spring force acting along the compression axis, wherein the spring device has a non-linear force-deflection behaviour. The invention also relates to a cell assembly comprising such a compression device and an electrochemical cell stack, and to methods of manufacturing a compressed electrochemical cell stack.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Akremi, Belal
Jay, Alastair
Abstract
The invention relates to an electrochemical cell assembly (10, comprising a stack (16) of cell units (18), said stack comprising a plurality of cell units stacked upon one another along a stacking direction and a plurality of gaskets (40) interposed between said cell units, said gaskets being aligned such that they overlie along the stacking direction forming a column of gaskets, and a spring device (54) being configured to exert a spring force on the column of gaskets along the stacking direction (20). The invention also relates to methods of manufacturing an electrochemical cell assembly.
H01M 8/0276 - Sealing means characterised by their form
H01M 8/2404 - Processes or apparatus for grouping fuel cells
H01M 8/248 - Means for compression of the fuel cell stacks
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
39.
ELECTROCHEMICAL CELL UNIT, STACK OF CELL UNITS, FLUID GUIDANCE INSERT, METHOD OF MANUFACTURE OF AN ELECTROCHEMICAL CELL UNIT, METHOD OF MANUFACTURE OF A STACK OF CELL UNITS
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Domanski, Tomasz
Berrisford, Adam David
Rogers, Benjamin John
Bone, Paul Adam
Groves, John Robert
Lawrence, Nicholas James
Nobbs, Christopher
Meister, Konrad
Palaziuk, Ievgen
Novotny, Pavel
Abstract
The invention relates to a cell unit (12) comprising a cell layer (18) and an interconnector plate (28), wherein a periphery (22) of the cell layer (18) is attached to a periphery (30) of the interconnector plate, wherein a central portion (24) of the cell layer and a central portion (32) of the interconnector plate define a fluid volume (34) therebetween, and wherein a fluid guidance insert (52) is disposed in the fluid volumes, said fluid guidance insert defining a fluid channel system for conveying fluid between at least one fluid port of the cell unit and the fluid volume.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0276 - Sealing means characterised by their form
H01M 8/0297 - Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
H01M 8/2432 - Grouping of unit cells of planar configuration
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Haeffelin, Andreas
Foster, Gregory Bernard James
Vickery, Cameron
Caley, Michael John
Ballard, Andrew
Ulbrich, Till
Abstract
The invention pertains to an electrochemical cell assembly (10), comprising a stack (12) of cell units (14) that are stacked upon one another along a stacking direction (16), and a current transmission device (54) for electrically contacting the stack of cell units, said current transmission device spanning the stack along the stacking direction and being electrically connected to a first end of the stack, wherein the current transmission device comprises at least one spring member (56) that is configured to be elastically deformable along the stacking direction in order to compensate for relative thermal expansion of the stack and the current transmission device during operation of the electrochemical cell assembly.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Kegel, Timo
Pastuszka-Lude, Thomas
Giesselmann, Nils
Schmitt, Michael
Ulbrich, Till
Truebody, Michael David James
Nobbs, Christopher James
Jay, Alastair
Skilton, Jonathan
Abstract
The invention relates to an electrochemical cell assembly (10) comprising an end plate (14, 18), a stack (20) comprising a plurality of cell units (22) that are stacked upon one another along a stacking direction (24), and an insulating plate (32) that is interposed between the end plate and the stack, wherein the cell units each comprise a periphery (52) and a central portion (54), wherein at least one cut-out (76) is provided in the insulating plate, said cut-out extending through the insulating plate along the stacking direction, and wherein at least one inset (78) is positioned in said cut-out such that, seen along the stacking direction, the inset and the central portion overlap each other, said inset being formed from a ceramic material.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Domanski, Tomasz
Skilton, Jonathan
Vickery, Cameron
Abstract
The invention relates to an electrochemical cell stack, comprising a plurality of electrochemical cell units (12) that are stacked upon one another along a stacking direction (14), wherein each cell unit comprises a cell layer having at least one electrochemically active cell chemistry region, and an interconnector plate (18), said cell layer and said interconnector plate overlie one another and are attached to each other to enclose a fluid volume therebetween, adjacent cell units cooperate with each other such that movement of the cell units relative to each other in a direction perpendicular to the stacking direction is limited or blocked. The invention also relates to electrochemical cell units and a method of manufacturing an electrochemical cell stack.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Kirkland, Sophie Charlotte
Fennel, Daniel Alexander
Dirscherl, Florian
Schmitt, Michael
Abstract
The invention relates to a method of preparing a cell repeat unit (18) for use in an electrochemical cell stack (10), the method comprising providing an electrochemical cell unit (28), said cell unit (28) having an inner fluid volume (44) and a cell opening (60) for transporting fluid between said inner fluid volume (44) and the exterior of the cell unit, providing a gasket being configured to surround the cell opening, and attaching said gasket to said cell unit by a hot melt adhesive dose (80). The invention also relates to a cell repeat unit and an electrochemical cell stack.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Beukelman, Huibert Roeland Alexander
Akremi, Belal
Abstract
The invention relates to an electrochemical cell assembly (10), the cell assembly comprising a base plate (24), a stack (12) having a plurality of cell units (14) that are stacked upon one another along a stacking direction (16), said stack being arranged upon the base plate, a housing (34) surrounding the stack of cell units and being movable relative to the base plate along the stacking direction, and a sealing device (74) that acts between the housing and the base plate, wherein the housing is connected to the base plate by at least one fastening device (50) that is configured to restrict movement of the housing relative to the base plate along the stacking direction in a first direction (52) away from the base plate.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Jay, Alastair
Koelsch, Gregor
Abstract
The invention relates to a cell unit (14) comprising: a cell layer (52) comprising electrochemically active layers (54), and an interconnector plate (62), wherein a periphery (56) of the cell layer (52) is attached to a periphery (64) of the interconnector plate (62), wherein a central portion (58) of the cell layer (52) and a central portion (66) of the interconnector plate (62) define a cell volume (50) therebetween, and wherein the interconnector plate (62) has a rounded shape in the central portion (66) forming a bulge (70) that protrudes away from the cell layer (52), said bulge (70) having a peak portion (74) that is arranged to initiate a touch-contact with a cell layer (52) of an adjacent cell unit (14).
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
H01M 8/2432 - Grouping of unit cells of planar configuration
H01M 8/248 - Means for compression of the fuel cell stacks
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
46.
ASSEMBLY DEVICE AND SYSTEM COMPRISING AN ASSEMBLY DEVICE AND AT LEAST ONE CELL UNIT
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Ballard, Andrew
Domanski, Tomasz
Abstract
The invention relates to an assembly device (10) for assisting stacking of electrochemical cell units (102) to form a stack (100) of cell units, the assembly device comprising a support (14) having a support surface (18), an alignment device (24) for aligning the cell units relative to each other parallel to the support surface, the alignment device defines a receiving space for receiving cell units therein, the alignment device comprises at least one positioning pillar (26) that extends in a stacking direction perpendicular to the support surface, the at least one positioning pillar is configured to block a translational and/or a rotational movement of cell units positioned within the receiving space in a plane parallel to the support surface. The invention also relates to a system comprising such an assembly device and at least one cell unit as well as to a method of manufacturing an electrochemical cell stack.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
De Florio, Niccolo
Giesselmann, Nils
Meister, Konrad
Postler, Christian
Runge, Henrico
Abstract
The invention relates to an electrochemical cell unit (22), the cell unit comprising a cell housing (44) that defines a fluid volume (46), wherein a housing portion (48) of the cell housing has a structured area (50), wherein a coating (94) is provided on a surface of the structured area that is facing towards the fluid volume, and wherein the structured area comprises one or more first sections in which the coating has a nominal thickness, and one or more second sections that are devoid of the coating or in which the thickness of the coating is lower than the nominal thickness. The invention also relates to an electrochemical cell assembly (10) comprising such a cell unit and to a method for preparing electrochemical cell units.
H01M 8/0228 - Composites in the form of layered or coated products
C25B 9/01 - Electrolytic cells characterised by shape or form
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
48.
METHOD FOR PRECONDITIONING A LAMINATE TO BE USED IN ELECTROCHEMICAL CELL ASSEMBLIES
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Pastuszka-Lude, Thomas
Truebody, Michael David James
Rott, Johannes
Tuchen, Mario
Woyke, Tobias
Abstract
The invention relates to a method for preconditioning a laminate (10) to be used in electrochemical cell assemblies (30), said method comprising providing a laminate comprising a plurality of sheets (12) that are bonded together by a binder (14), and heating the laminate at a prebaking temperature (Tpb) for a predetermined prebaking time (Δt), said prebaking temperature being equal to or more than 650 °C. The invention also relates to the use of such a laminate in an electrochemical cell assembly as well as to an electrochemical cell assembly comprising at least one component having a laminate that is preconditioning by means of such a method.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Juestel, Thomas
Meister, Konrad
Haeffelin, Andreas
Palaziuk, Ievgen
Gawel, Duncan Albert Wojciech
De Florio, Niccolo
Abstract
The invention relates to an electrochemical cell assembly (10), comprising an end plate assembly (12) and a stack (16) of cell units (18) comprising a plurality of cell units stacked upon one another along a stacking direction (20), wherein an internal fluid channel (22) is provided in the cell assembly for supplying fluid to each of the cell units, said fluid channel has a manifold section (36) extending through or along the stack of cell units in stacking direction and a supply section (38) adjoining said manifold section and being upstream of the manifold section, a cross-sectional area (42) of the supply section is at least locally smaller than a cross-sectional area (46) at an upstream end (44) of the manifold section (36).
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Lawrence, Nicholas James
Nobbs, Christopher James
Truebody, Michael David James
Domanski, Tomasz
Ballard, Andrew
Woollen, Alexander George
Hercz, Zoltan
Caley, Michael John
Skilton, Jonathan
Vickery, Cameron
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a stack of cell units (18), wherein each cell unit extends in a first direction (22) and in a second direction (24) perpendicular to the first direction and defines an external perimeter (26), a housing (42) surrounding the stack to define or enclose a fluid volume (48), a fluid inlet port (50) and a fluid outlet port (52), wherein the housing and the external perimeters of the cell units are separated by a gap (60) forming a fluid bypass (62) for fluid to bypass the stack, an electrically insulating board (64) located in said gap, and a sealing device (100) interacting with the electrically insulating board to reduce or prevent fluid flow along the fluid bypass provided by said gap.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Woollen, Alexander George
Caley, Michael John
Foster, Gregory Bernard James
Vickery, Cameron
Skilton, Jonathan
Rogers, Andrew John
Ballard, Andrew
Lawrence, Nicholas James
Domanski, Tomasz
Hercz, Zoltan
Truebody, Michael David James
Ulbrich, Till
Palaziuk, Ievgen
Haeffelin, Andreas
Meister, Konrad
Abstract
The invention relates to an electrochemical cell assembly (10), comprising a first end plate (12), a second end plate and a stack (16) of cell units (18), wherein each cell unit defines an external perimeter, a housing (42) surrounding the stack to define or enclose a fluid volume (48), at least one electrically insulating member (98) being located between the housing and the external perimeters of the cell units and a positioning device (100) for the at least one electrically insulating member, comprising at least one positioning member (106) protruding from either the housing or one of the end plates into the fluid volume, wherein the at least one positioning member has a positioning surface interacting with the electrically insulating member for positioning the electrically insulating member relative to the housing and/or the end plates. The invention also relates to methods of manufacturing an electrochemical cell assembly.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Pastuzka-Lude, Thomas
Zielonka, Paul
Haeffelin, Andreas
Stadlbauer, Martin
Abstract
The invention relates to methods for preparing a material to be used as gasket (30) in electrochemical cell assemblies, said methods comprising providing a vermiculite material (300) and performing a preconditioning treatment (102) on said vermiculite material (300), said preconditioning treatment (102) comprising a pressing process and either or both of a humidity control process and a prebaking process. The invention also relates to the use of such a gasket in an electrochemical cell assembly as well as to a method for preparing an electrochemical cell assembly.
C04B 35/16 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silicates other than clay
F16J 15/02 - Sealings between relatively-stationary surfaces
H01M 8/2432 - Grouping of unit cells of planar configuration
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Giesselmann, Nils
Skilton, Jonathan
Caley, Michael
Jay, Alastair
Abstract
The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Giesselmann, Nils
Meister, Konrad
Groves, John Robert
Karoulas, Konstantinos
De Florio, Niccolo
Lawrence, Nicholas
Yates, Jack Richard
Niven, David George
Berrisford, Adam David
Sharp, Chad Alec
Barlow, Jack Stephen
Berlin, Dean
Abstract
The invention relates to an electrochemical cell assembly, comprising a stack of cell units, wherein each cell unit has a periphery and a central portion surrounded by the periphery, the periphery has a first flange portion (90-1) and an opposite second flange portion (90-2), the flange portions of adjacent cell units overlie one another and are separated by a gap (88-1, 88-2), wherein between two adjacent cell units, there is provided a fluid flow path comprising an inner flow path between the central portions of adjacent cell units and an outer flow through said gaps, and a flow restriction device (112) comprising at least one flow restriction member (114-1, 114-2), said flow restriction device being configured to reduce or prevent fluid flow along the outer flow path.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
H01M 8/2432 - Grouping of unit cells of planar configuration
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
H01M 8/2485 - Arrangements for sealing external manifoldsArrangements for mounting external manifolds around a stack
55.
METHOD OF ASSEMBLY OF AN ELECTROCHEMICAL CELL UNIT AND ELECTROCHEMICAL CELL UNIT
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Lawrence, Nicholas
Merritt, Michael
Abstract
The invention relates to methods of assembly of an electrochemical cell unit as well as to electrochemical cell units. The invention also relates to a stack of cell units.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Juestel, Thomas
Giesselmann, Nils
Schmitt, Michael
Woollen, Alexander George
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a housing (32) and an end plate (14) and a spatter trap (52) provided between them.
H01M 50/169 - Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Kegel, Timo
Giesselmann, Nils
Ballard, Andrew
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a first end plate assembly (12) having a first end plate (14), a second end plate assembly having a second end plate, and a stack (20) of cell units (22) arranged between said first and second end plates and comprising a plurality of cell units stacked upon one another along a stacking direction (24), wherein at least one fluid manifold (40) is provided in said stack for supplying fluid to the cell units (22), a plurality of gaskets (36) provided around said fluid manifold, wherein the first end plate assembly comprises further a sealing device (46) located between the first end plate and the stack, said sealing device defining a fluid channel (62), a current collector plate (64) located between the first end plate and the stack, wherein the sealing device extends through the current collector plate without contacting it.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
CERES POWER LIMITED (United Kingdom)
Inventor
Giesselmann, Nils
Schmitt, Michael
Jovic, Goran
Woollen, Alexander George
Skilton, Jonathan
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a housing (32) and an end plate (14), wherein the housing (32) has a proud standing segment (48) that extends beyond the end plate (14).
H01M 50/169 - Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Lawrence, Nicholas James
Nobbs, Christopher James
Brittan, Matthew Edward
Truebody, Michael David James
Robertson, Mark Graham
Abstract
The invention relates to an electrochemical cell assembly comprising an end plate assembly having an end plate (14), and a stack of cell repeat units, said end plate (14) comprising at least one through-hole (26) formed therein to form a fluid port (28) for supplying fluid from the outside of the electrochemical cell assembly to the stack of cell repeat units, said through-hole being associated with a sealing device (42), said sealing device comprising a sleeve (44), and a first gasket (56), said first gasket (56) being provided on a first face (50) of the sleeve (44), wherein the sleeve (44) is positioned at least partially in a recess (62) formed in a surface (64) of the end plate, said surface facing the stack of cell units.
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Kegel, Timo
Giesselmann, Nils
Schmitt, Michael
Abstract
The invention relates to an electrochemical cell assembly (10) comprising first and second end plates (14) and a stack of cell units (22) being arranged between said first and second end plates, wherein at least one fluid channel (78) is provided for supplying fluid to the cell units, wherein a plurality of gaskets (26, 28) is provided around said fluid channel, said plurality of gaskets (26, 28) comprising first gaskets (26) interposed between the cell units and one or more second gaskets (28), each second gasket being interposed between one of the end plates and the stack, wherein at least one of the one or more second gaskets is a surface-reduced gasket (80), said surface-reduced gasket being characterized in that a total surface area of its sealing surfaces is smaller than a total surface area of the sealing surfaces of a first gasket (26).
ROBERT BOSCH GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG (Germany)
Inventor
Selcuk, Ahmet
Choolaei, Mehdi
Jay, Alastair
Abstract
The invention relates to an electrochemical cell assembly (10) comprising a first end plate assembly (12) having a first end plate (14), a second end plate assembly (16) having a second end plate (18), and a stack (20) of cell units (22) arranged between said first end plate and said second end plate, said first end plate and/or said second end plate comprising at least one through-hole (26) formed therein, said through-hole being associated with a sealing device ( 42 ), said sealing device comprising a sleeve (44) formed from a ceramic material, and a gasket (52, 54) disposed on an end face (48, 50) of said sleeve, said end face being provided with a coating (56) that has an outer layer (58), said outer layer being in contact with the gasket and comprising a cobalt oxide material. The invention also relates to a method for preparing an electrochemical cell assembly.
patents
