Abstract: A method to join electrochemical cell members comprising an inorganic material by laser. The method includes the steps of positioning the electrochemical cell members to each other, defining the constituents of the joining process, utilizing a laser system to generate a laser beam, focusing the laser beam spot on the electrochemical cell members, and establishing the joint by producing joint segments in a defined joining sequence. The joining method allows to produce gastight, high-temperature resistant connections between electrochemical cell members.

Abstract: A process for making a solid electrolyte for an electrochemical cell. The process includes providing a multilayer material having a porous layer and a nonporous layer, the nonporous layer containing a first oxide selected from alpha-alumina, gamma-alumina, alpha-gallium oxide, and/or combinations thereof. In addition, an alkali-metal oxide vapor is provided and the nonporous layer is exposed to the alkali-metal oxide vapor at an elevated temperature such that the nonporous layer is converted to a solid second oxide electrolyte layer that is conductive to alkali metal ions. The second oxide is an alkali-metal-beta-alumina, alkali-metal-beta?-alumina, alkali-metal-beta-gallate, and/or alkali-metal-beta?-gallate.

Abstract: A process for making a solid electrolyte for an electrochemical cell. The process includes providing a multilayer material having a porous layer and a nonporous layer, the nonporous layer containing a first oxide selected from alpha-alumina, gamma-alumina, alpha-gallium oxide, and/or combinations thereof. In addition, an alkali-metal oxide vapor is provided and the nonporous layer is exposed to the alkali-metal oxide vapor at an elevated temperature such that the nonporous layer is converted to a solid second oxide electrolyte layer that is conductive to alkali metal ions. The second oxide is an alkali-metal-beta-alumina, alkali-metal-beta?-alumina, alkali-metal-beta-gallate, and/or alkali-metal-beta?-gallate.

Abstract: The invention relates to an improved industrial apparatus for the large-scale storage of energy and a process for storing and transporting electric energy by means of this apparatus.

Abstract: The invention relates to an improved industrial apparatus for the large-scale storage of energy and a process for storing and transporting electric energy by means of this apparatus.

Abstract: Conventional superconducting magnet systems supply coolant centrally from a refrigerating system and have a current input provided separately in each case or through special magnets at the beginning and end of a section formed from superconducting electromagnets. The superconducting magnet system of the invention, which is to be used in particular for accelerator units, provides a control cryostat between the refrigerating system and the magnet cryostats encompassing the magnet coils of the electromagnets. The control cryostat at the same time has a current supply lead from which the magnet cryostats associated with the respective control cryostat are supplied with the current necessary for excitation through superconducting cables.

Abstract: Insulating device for high and low temperatures with at least one insulating material, characterized by the feature that the insulating material is formed at least in part of total reflecting fibers.

Abstract: A superconducting magnet system for particle acceleration of a synchrotron radiaton source having a particle orbit in a given plane includes a superconducting winding surrounding the particle orbit and having a slot formed therein in the given plane of the particle orbit for egress of synchrotron radiation, the superconducting winding having a cos .theta. shaped current distribution, where .theta. is the azimuth angle, and a mechanical support for the superconducting winding including at least one clamping element pre-tensioning the superconducting winding, and tightening elements in the vicinity of the slot pre-tensioning the superconducting winding in cooperation with the at least one clamping element.

Abstract: Production of superconducting fiber bundles where in a CVD reactor niobium carbonitride of the general formula NbC.sub.x N.sub.y is deposited on support fibers by means of chemical deposition from the vapor phase by reaction of niobium chloride, carbon and nitrogen compounds, and in addition to the mentioned reaction gases at least one oxygen-containing gas is introduced into the CVD reactor in a controlled manner.

Abstract: A superconducting magnet system includes a cryostat having a cold shield, a superconducting magnet coil disposed in the cold shield, a two-stage cryogenerator connected to the magnet coil for cooling the magnet coil to an operating temperature substantially between 10 and 13K, and a flux pump connected to the magnet coil for feeding current to the magnet coil, the flux pump including a transformer having primary and secondary windings and superconducting switches having conductors, and the magnet coil, windings and conductors being formed of superconducting material having a high critical temperature.

Abstract: A cooling system for indirectly cooled superconducting magnets of a superconducting winding, includes a winding form having canals formed therein through which liquid helium flows, the canals including a lower feed canal, an upper collecting canal and mutually parallel cooling canals interconnecting the feed and collecting canals in close thermal contact with the superconducting winding, a helium supply vessel disposed opposite to and elevated with respect to the winding form, the helium supply vessel having an outlet and a connecting stub, an outgoing line connected between the feed canal and the outlet, and a return line connected between the collecting canal and the connecting stub.

Abstract: A method of making a superconducting coil from a superconducting wire includes the step of winding the wire to form a coil. Prior to the winding step, the wire is submitted to repeated tension-stressing of a predetermined stretch and a predetermined number of cycles, in order to reduce the "training" of the superconducting coil.

Abstract: A device for generating a high level electron current pulse includes a housing whose interior can be evacuated from outside the housing, a cathode electrode located in the housing and arranged to be connected to a high voltage generator, an anode electrode disposed in the housing in facing relation to the cathode electrode, the anode electrode having an opening aligned with the electron emission portion of the cathode electrode and being provided with a grid which covers this opening and which presents a high electron transmission level, the grid defining a plane with one face of the anode electrode, and the walls of the housing defining an annular space filled with a solution whose resistivity is a function of its concentration to give these walls a variable electrical resistance which can be adjusted to match the impedance of the cathode electrode - anode electrode system to that of the high voltage generator.