Abstract: A method for manufacturing an electrical conductor, such as a current rod, comprising the following successive steps: —providing a core made of a first metallic material, —providing a sheath made of a second metallic material, the sheath being intended to cover a first part of the core, —providing a connection terminal made of a third metallic material, —assembling the core and the connection terminal, by crimping, or by crimping and brazing, or by braze welding, or by brazing, —assembling the core and the connection terminal with the sheath.

Abstract: An assembly includes a solid-oxide pack of the SOEC/SOFC type and a system for clamping the pack. The assembly furthermore includes a coupling system gastight at high temperature, including a clamping base with a first through internal pipe to enable a tube to pass, a support base located in the pipe and having a second through internal pipe, and a seal, having a C shape, positioned against a first end of the support base (92). One of the clamping plates includes a through pipe for gas to pass having a support surface for the seal and a threaded countersink for receiving a thread of the clamping base.

Abstract: An assembly includes an SOEC/SOFC-type solid oxide stack, a clamping system for clamping the stack, including at least two clamping rods that can be used to assemble upper and lower clamping plates, and a coupling system for high-temperature fluid-tight coupling of the stack to a heating system for supplying and discharging gas. The coupling system includes a collector with collection ducts for supplying and discharging gas, each provided with a collecting port positioned facing a corresponding communication port of at least one of the upper and lower clamping plates, and seals each placed between a collecting port and a corresponding communication port.

Abstract: A device for converting a liquid into vapor includes an enclosure, a heating surface with a downward slope arranged in the enclosure, and a liquid inlet port connected to an upper portion of the heating surface so that a liquid introduced from the liquid inlet port flows on the heating surface. The device also includes a vapor outlet port formed through a wall of the enclosure. The heating surface includes a heat transfer pipe configured to allow the flowing of a heat transfer fluid to heat the heating surface, and a corner piece including a U-shaped cross-section with a semi-circular portion arranged around the heat transfer pipe and an upper portion forming an opening on the enclosure.

Abstract: The invention essentially consists of proposing a novel reactor or fuel cell architecture having an active section of the catalytic material for methanation or reforming reaction integrated into the electrode which varies with the composition of the gases, as they are distributed in accordance with the electrochemistry on said electrode.

Abstract: An assembly comprising a SOEC/SOFC-type solid oxide stack, and a clamping system for the stack. The assembly further comprises a system for superheating the gases at the inlet of the stack, comprising: a heating plate integrated within the thickness of at least one of the upper and lower clamping plates of the clamping system; an upper or lower end plate for superheating the gases, comprising a circuit through which the gases to be heated flow; and an inlet duct for the gases to be heated.

Abstract: Implementation of an interconnector structure for an SOEC or SOFC electrochemical device, the interconnector being formed of a conductive support element having a first face with a rough region, the roughness of which has been modified locally before being brought into contact with a seal.

Abstract: A coupling system for high-temperature tight coupling of a stack having SOEC/SOFC-type solid oxides is described. The system includes a threaded hollow connector, a smooth hollow connector, and a threaded nut. The threaded hollow connector includes an opening for establishing fluid communication with a gas inlet/outlet pipe and is intended to be attached to the gas inlet/outlet pipe. The smooth hollow connector includes an opening for establishing fluid communication with a gas inlet/outlet pipe of the stack and is intended to be attached to the inlet/outlet pipe. The threaded nut engages with the threaded hollow connector to form a screw/nut system, slides relative to the smooth hollow connector, and includes a first threaded portion and a second smooth portion in sliding contact with the smooth hollow connector.

Abstract: A system for overheating gases at the inlet of a SOEC/SOFC-type solid oxide stack, the stack including a main body that has first and second zones separated by a median plane, and inflow and outflow conduits, the zones include gas circulation circuits extending in the form of a spiral and communicating by means of a passage passing through the main body. A gas flow to be heated entering the inflow conduit circulates in the first gas circulation circuit and passes through the passage to then circulate in the second gas circulation circuit and in the conduit for the outflow of the reheated gases in order to reach the inlet of the SOEC/SOFC-type solid oxide stack.

Abstract: The invention relates to a system able to operate reversibly as an SOFC fuel-cell stack or as an SOEC electrolyser. According to the invention, a bypass line or circuit is provided in order to divert if needs be some of the hot gases issued from the chambers referred to as oxygen chambers (anodic chambers in SOEC mode, cathodic chambers in SOFC-stack mode) as this will cool the heat exchanger provided in the circuit through which the oxygen flows.

Abstract: The invention relates to an electrochemical device that includes an electrochemical unit. The electrochemical unit includes a stack of SOEC/SOFC-type solid oxides operating at high temperatures, a clamping system provided with two clamping plates, referred to as the first clamping plate and second clamping plate, respectively, between which the stack is clamped, one and/or both of the two clamping plates having at least one gas inlet and at least one gas outlet. The unit includes heating means which are designed to ensure the heating of the electrochemical unit and are integrated into said unit. The device includes a containment box, housed in a volume, referred to as internal volume V, the electrochemical unit, the internal volume V being delimited by a surface, referred to as the internal surface S, of the containment box, which follows the shape of the electrochemical assembly.

Abstract: The application relates to a novel module for electrolysis or co-electrolysis of water or of SOFC fuel cell, within which the forces necessary to compress the seals are decoupled from those necessary for the electrical contact elements that ensure the passage of current in the module.

Abstract: Implementation of an interconnector structure for an SOEC or SOFC electrochemical device, the interconnector being formed of a conductive support element having a first face with a rough region, the roughness of which has been modified locally before being brought into contact with a seal.

Abstract: An assembly includes an SOEC/SOFC-type solid oxide stack, a clamping system for clamping the stack, including at least two clamping rods that can be used to assemble upper and lower clamping plates, and a coupling system for high-temperature fluid-tight coupling of the stack to a heating system for supplying and discharging gas. The coupling system includes a collector with collection ducts for supplying and discharging gas, each provided with a collecting port positioned facing a corresponding communication port of at least one of the upper and lower clamping plates, and seals each placed between a collecting port and a corresponding communication port.

Abstract: The invention relates to a system able to operate reversibly as an SOFC fuel-cell stack or as an SOEC electrolyser. According to the invention, a bypass line or circuit is provided in order to divert if needs be some of the hot gases issued from the chambers referred to as oxygen chambers (anodic chambers in SOEC mode, cathodic chambers in SOFC-stack mode) as this will cool the heat exchanger provided in the circuit through which the oxygen flows.

Abstract: An assembly comprising a SOEC/SOFC-type solid oxide stack, and a clamping system for the stack, said clamping system comprising at least two clamping rods that can be used to assemble upper and lower clamping plates. The assembly further comprises a heat exchange system formed at least in part by at least two hollow clamping rods of the clamping system, through which a fluid to be superheated or preheated flows.

Abstract: An assembly comprising a SOEC/SOFC-type solid oxide stack, and a clamping system for the stack. The assembly further comprises a system for superheating the gases at the inlet of the stack, comprising: a heating plate integrated within the thickness of at least one of the upper and lower clamping plates of the clamping system; an upper or lower end plate for superheating the gases, comprising a circuit through which the gases to be heated flow; and an inlet duct for the gases to be heated.

Abstract: A system for overheating gases at the inlet of a SOEC/SOFC-type solid oxide stack, the stack including a main body that has first and second zones separated by a median plane, and inflow and outflow conduits, the zones include gas circulation circuits extending in the form of a spiral and communicating by means of a passage passing through the main body. A gas flow to be heated entering the inflow conduit circulates in the first gas circulation circuit and passes through the passage to then circulate in the second gas circulation circuit and in the conduit for the outflow of the reheated gases in order to reach the inlet of the SOEC/SOFC-type solid oxide stack.

Abstract: A module for an HTE reactor or an SOFC fuel cell, the module including a circuit for the circulation of a gas, in addition to the reactive gases required for the electrolysis reaction or the reverse reaction in an SOFC cell, the circuit enabling, during the operation under pressure, the additional gas to equalise, on one side of the glass- and/or vitroceramic-based seals, the pressure of the reactive gases generated on the other side.

Abstract: The invention essentially consists of proposing a novel reactor or fuel cell architecture having an active section of the catalytic material for methanation or reforming reaction integrated into the electrode which varies with the composition of the gases, as they are distributed in accordance with the electrochemistry on said electrode.