Abstract: The invention relates to a device (2) for working a surface (4) of a workpiece (6) by means of a laser beam (8), comprising a laser system (12) for providing the laser beam (8) and a plasma nozzle (14), which is designed to produce an atmospheric plasma jet (16), wherein the plasma nozzle (14) has a nozzle opening (24, 24?), from which a plasma jet (8) produced in the plasma nozzle (24, 24?) exits during operation, wherein the laser system (12) and the plasma nozzle (14) are arranged in relation to each other and designed in such a way that, during operation, the laser beam (8) exits from the nozzle opening (24, 24?) of the plasma nozzle (14) together with the plasma jet (16). The invention further relates to an assembly (100) having such a device and to a method for operating said device (2).

Abstract: The invention relates to an apparatus for disinfecting, in particular sterilizing, objects or solids, preferably pieces of protective equipment, in particular protective masks or protective clothing, with a treatment chamber for receiving one or more objects or solids, preferably one or more pieces of protective equipment, with a closable airlock through which objects or solids, preferably pieces of protective equipment, can be introduced into the treatment chamber and/or removed from the treatment chamber and with a generation unit for generating reactive species in a gas stream. The generation unit includes discharge means configured to generate an electrical discharge in the gas stream. The generating unit is arranged such that the gas stream, during operation, passes from the generating unit into the treatment chamber. The invention further relates to a use of the apparatus.

Abstract: The invention relates to a method for providing an electrode foil for producing a lithium-ion rechargeable battery, in which a metal foil is provided with a coating of electrode material and in which the coating of electrode material is plasma treated. The coating of electrode material is plasma-treated by the coating being subjected to an atmospheric plasma jet. The invention also relates to a method for producing a lithium-ion rechargeable battery, in which a first electrode foil for the negative electrode and a second electrode foil for the positive electrode are provided, in which the first and second electrode foils are arranged one above the other with a separator layer in between to form a foil stack and in which the foil stack is impregnated with a liquid electrolyte. The first and/or the second electrode foil is/are provided by the aforementioned method.

Abstract: A nozzle assembly for generating an atmospheric plasma jet includes an inlet, through which the jet can be introduced into the nozzle assembly, and a channel connected to the inlet so that the plasma jet introduced is conducted through the channel. Multiple nozzle openings are provided in the channel wall along the channel, through which a plasma jet can exit the assembly. The cross section of the channel in the region of a nozzle opening is shaped in such a way that a virtual medial plane runs between a virtual first tangent plane of the cross section through the nozzle opening and a virtual second tangent plane of the cross section opposite thereto and parallel to the first tangent plane divides the cross section into a first cross-sectional area at the nozzle opening. The cross-sectional surface of the first cross-sectional area differs from the cross-sectional surface of the second.

Abstract: A ventilation system includes a line system which is designed to guide an air stream and to provide the air stream during normal operation via an outlet of the line system for supplying a space. The ventilation system includes a generating unit which is designed to produce reactive oxygen species during a cleaning operation and to feed the same to the air stream conducted in the line system. Also disclosed are methods for operating such a ventilation system and a generating unit for such a ventilation system.

Abstract: A sterilization apparatus characterized in that the sterilization apparatus comprises a reactive oxygen species irradiation unit for irradiating a reactive oxygen species-containing gas which is a reaction product of plasma generated using an alternating current and a water-containing gas containing steam, the sterilization apparatus further containing an inlet unit for steam flow for supplying the water-containing gas heated to a temperature of from 50° to 300° C., wherein the reactive oxygen species-containing gas contains water in an amount equal to or greater than the amount of saturated steam. The sterilization apparatus of the present invention shows excellent sterilization activity, so that it can be suitably used in sterilization of containers for foodstuff, bottle caps sealing the openings of the containers, medical devices, foodstuff such as vegetables and meat, and the like.

Abstract: A device for generating an atmospheric plasma beam for treating the surface of a workpiece includes a tubular housing with an axis, an inner electrode within the housing, and a nozzle assembly with a nozzle opening for discharging a plasma beam to be generated in the housing. The direction of the nozzle opening runs at an angle relative to the axis, and the nozzle assembly can be rotated about the axis. By the aforementioned device, disadvantages are at least partly eliminated and uniform treatment of the surface is achieved in that a shield surrounds the nozzle assembly, and the shield is designed to change the intensity of the interaction of the plasma beam to be generated with the surface of the workpiece depending on the rotational angle of the nozzle assembly relative to the axis. Also provided are a system and method for treating the surface of a workpiece.

Abstract: A method for depositing a plasma polymer layer in an atmospheric-pressure plasma on a metallic substrate, wherein the plasma is obtained by a discharge between two electrodes. At least one organic coating precursor compound is fed into the region of the relaxing plasma and is deposited on the metallic substrate as a plasma polymer layer. Nitrogen or a forming gas is used as a treatment gas and the at least one organic coating precursor compound is selected from various compounds. Also disclosed is an article, an electrode and a capacitor which utilize the method and include a metallic substrate having a surface and a plasma polymer layer on the surface. Also disclosed is a method for producing the electrode or for producing the capacitor, a battery cell or a lithium-ion accumulator which comprises the electrode.

Abstract: A nozzle assembly for generating an atmospheric plasma jet includes an inlet, through which the jet can be introduced into the nozzle assembly, and a channel connected to the inlet so that the plasma jet introduced is conducted through the channel. Multiple nozzle openings are provided in the channel wall along the channel, through which a plasma jet can exit the assembly. The cross section of the channel in the region of a nozzle opening is shaped in such a way that a virtual medial plane runs between a virtual first tangent plane of the cross section through the nozzle opening and a virtual second tangent plane of the cross section opposite thereto and parallel to the first tangent plane divides the cross section into a first cross-sectional area at the nozzle opening. The cross-sectional surface of the first cross-sectional area differs from the cross-sectional surface of the second.

Abstract: The invention relates to a device (2) for working a surface (4) of a workpiece (6) by means of a laser beam (8), comprising a laser system (12) for providing the laser beam (8) and a plasma nozzle (14), which is designed to produce an atmospheric plasma jet (16), wherein the plasma nozzle (14) has a nozzle opening (24, 24?), from which a plasma jet (8) produced in the plasma nozzle (24, 24?) exits during operation, wherein the laser system (12) and the plasma nozzle (14) are arranged in relation to each other and designed in such a way that, during operation, the laser beam (8) exits from the nozzle opening (24, 24?) of the plasma nozzle (14) together with the plasma jet (16). The invention further relates to an assembly (100) having such a device and to a method for operating said device (2).

Abstract: Various embodiments include an apparatus for forming metallic components comprising: tools for forming the metallic component; and a plasma generation module for treating a surface of a tool for forming and/or of the metallic component to be formed by applying an atmospheric pressure plasma.

Abstract: The invention relates to a method for producing an injection-molded component with an insert part. An insert part is provided with an inorganic surface, and the insert part is at least partly overmolded during the injection-molding process. The region, which is overmolded during the injection-molding process, of the inorganic surface of the insert part is coated at least in some regions prior to being overmolded, wherein the inorganic surface is supplied with an atmospheric plasma beam and a precursor. The invention further relates to an injection-molded component with an insert part, said insert part having an at least partly overmolded inorganic surface. A layer which is applied by means of a plasma coating process, in particular a plasma polymerization process, is arranged at least in some regions between the inorganic surface and the overmolded plastic.

Abstract: A device for generating an atmospheric plasma beam for treating the surface of a workpiece includes a tubular housing with an axis, an inner electrode within the housing, and a nozzle assembly with a nozzle opening for discharging a plasma beam to be generated in the housing. The direction of the nozzle opening runs at an angle relative to the axis, and the nozzle assembly can be rotated about the axis. By the aforementioned device, disadvantages are at least partly eliminated and uniform treatment of the surface is achieved in that a shield surrounds the nozzle assembly, and the shield is designed to change the intensity of the interaction of the plasma beam to be generated with the surface of the workpiece depending on the rotational angle of the nozzle assembly relative to the axis. Also provided are a system and method for treating the surface of a workpiece.

Abstract: A sterilization apparatus characterized in that the sterilization apparatus comprises a reactive oxygen species irradiation unit for irradiating a reactive oxygen species-containing gas which is a reaction product of plasma generated using an alternating current and a water-containing gas containing steam, the sterilization apparatus further containing an inlet unit for steam flow for supplying the water-containing gas heated to a temperature of from 50° to 300° C., wherein the reactive oxygen species-containing gas contains water in an amount equal to or greater than the amount of saturated steam. The sterilization apparatus of the present invention shows excellent sterilization activity, so that it can be suitably used in sterilization of containers for foodstuff, bottle caps sealing the openings of the containers, medical devices, foodstuff such as vegetables and meat, and the like.

Abstract: The invention relates to an injection molding tool for producing an injection molded part, in particular made of plastic, having an injection mold which has a cavity corresponding to the negative of the shape of the injection molded part to be produced, wherein a plasma nozzle, which is configured to produce an atmospheric plasma jet, is attached to the injection mold in such a way that an injection molded part produced in the injection mold can be impacted in the injection mold with a plasma jet.

Abstract: The invention relates to an injection moulding tool for producing an injection moulded part, in particular made of plastic, having an injection mould which has a cavity corresponding to the negative of the shape of the injection moulded part to be produced, wherein a plasma nozzle, which is configured to produce an atmospheric plasma jet, is attached to the injection mould in such a way that an injection moulded part produced in the injection mould can be impacted in the injection mould with a plasma jet.

Abstract: A ventilation system includes a line system which is designed to guide an air stream and to provide the air stream during normal operation via an outlet of the line system for supplying a space. The ventilation system includes a generating unit which is designed to produce reactive oxygen species during a cleaning operation and to feed the same to the air stream conducted in the line system. Also disclosed are methods for operating such a ventilation system and a generating unit for such a ventilation system.

Abstract: A method for passivating a metal surface including, generating an atmospheric plasma beam by electrical discharge in a working gas, introducing an acid-containing passivating agent into the plasma beam, applying the plasma beam containing the passivating agent to the metal surface, and depositing a passivating salt on the metal surface by a reaction between the acid-containing passivating agent and the metal surface. This method simplifies the process for passivating a metal surface and renders it more effective.

Abstract: A method for passivating a metal surface including, generating an atmospheric plasma beam by electrical discharge in a working gas, introducing an acid-containing passivating agent into the plasma beam, applying the plasma beam containing the passivating agent the metal surface, and depositing a passivating salt on the metal surface by a reaction between the acid-containing passivating agent and the metal surface. This method simplifies the process for passivating a metal surface and renders it more effective.

Abstract: The invention relates to a method for detecting gases that can be ionized wherein an atmospheric plasma jet is produced, wherein a gas mixture is brought into interaction with the plasma jet, and wherein an electrical quantity is measured as a measure of the concentration of the gas in the gas mixture. The invention further relates to a device for detecting gases that can be ionized, including a gas inlet, means for ionizing a gas, a voltage source, two electrodes, and means for determining an amperage, wherein the two electrodes are connected to the voltage source, wherein the means for determining an amperage are connected to the electrodes in such a way that the magnitude of the current flowing between the electrodes can be measured, and wherein a plasma nozzle is provided to produce an atmospheric plasma jet.