Abstract: The invention relates to a method for producing a flat silicon anode solid-state electrolyte compound, which is suitable for use in a solid-state battery, and a flat silicon anode solid-state electrolyte compound produced in this way. The object of the invention is to provide a method with which a silicon anode solid-state electrolyte compound can be produced, which guarantees a consistent, good electrical contact between the cell layers, wherein said object is achieved with a method for producing a flat silicon anode solid-state electrolyte compound which is suitable for use in a solid-state battery, wherein a multi-layer structure as an active layer of the Si anode is deposited onto a porous solid-state electrolyte in a dry deposition method, wherein the multi-layer structure undergoes a rapid tempering, and a current collector, preferably made of copper, is deposited onto the multi-layer structure.

Abstract: The invention relates to a method for producing copper-rich silicon foams from at least binary mixed phases, wherein a silicon layer structure is applied onto a support substrate. The aim of the invention is to provide an alternative method for using nanoparticles and nanowires which allows the production of copper-rich silicon foams that can preferably be used as a high-capacity electrode material in rechargeable batteries. This is achieved in that one layer of the silicon layer structure is made of at least two plies and at least two materials, said materials having different diffusion constants, and the layer is subjected to a rapid annealing process with a controlled energy input, wherein cavity structures with different diameters are formed.

Abstract: The invention relates to a method for producing a silicon electrode as an anode for a lithium ion battery, in which an active layer is deposited on a substrate, preferably copper, and then undergoes a rapid tempering, as well as an anode produced using same. The object of the invention of providing a method, which dispenses with the need for a vacuum section for depositing the active material, in particular silicon, for the production of anodes for lithium ion batteries, and thereby allows for an extremely cost-optimised production of almost pure silicon anodes for lithium ion batteries, is achieved in that the active layer is formed from a silicon and metal particle mixture, which is applied to the substrate in a dry process and stabilised in a controlled manner via the rapid tempering to form a semi-porous active layer and fixed to the substrate.

Abstract: The invention relates to a silicon electrode suitable for use as an anode in a lithium ion battery, comprising a current collector, preferably made of copper, an adhesive layer arranged on the current collector, and a multi-layer structure arranged on the adhesive layer. The object of providing an Si electrode, which is not pulverised when lithium is incorporated and therefore does not lose the electrical contact with the current collector as a result, as well as having a stable surface and high intrinsic conductivity, is achieved in that the multi-layer structure, as an active layer of the Si electrode, is formed by at least one layer made of a metal and silicon or formed by a mixed system consisting of silicon mixed with at least one metal, wherein the multi-layer structure undergoes rapid tempering and forms a conductive metal silicide matrix, wherein the metal silicide matrix contains amorphous, nanocrystalline regions of the silicon.

Abstract: The invention relates to a method for producing partially reacted silicon for the control of the lithium intercalation capacity, for use in lithium batteries, wherein a first silicon layer is deposited on a substrate, the first silicon layer subsequently being subjected to rapid thermal processing. The invention also relates to an anode thereby produced. The problem addressed by the present invention of specifying a method that allows control of the capacity of ion intercalation into functional layers for battery production is solved in that a layer of silicon, metal and/or another material is applied as a diffusion barrier, which is subjected to subsequent rapid thermal processing, and partially reacted silicon is formed. (The structure of the diffusion barrier makes the diffusion barrier permeable to lithium.

Abstract: The invention relates to a method for stabilizing copper-rich silicide phases, in which method a silicon layer structure is applied to a carrier substrate. The problem addressed by the present invention of, in particular, specifying a method by means of which the properties of phase separation and microstructure formation can be varied in a controlled way, while at the same time the process should be able to be carried out as simply, quickly and efficiently as possible, is solved by means of a method for stabilizing copper-rich silicide phases, in which method a silicon layer structure is applied to a carrier substrate, a layer of the silicon layer structure being applied from a mixture of at least one metal and silicon, which mixture is subsequently subjected to short-term tempering, wherein, by the setting of process parameters, such as a pulse duration in the range of 0.01 to 100 ms and/or a pulse energy amount in the range of 0.

Abstract: A method for producing a silicon anode for lithium batteries, wherein an active layer made of silicon is deposited onto a substrate, preferably copper, said active layer then being subjected to a rapid annealing process. The aim of the invention is to provide a method with which the stress in the deposited layers for producing a silicon anode for lithium batteries can be minimized and which can be easily integrated into an existing production process. This is achieved in that a substrate surface is structured by means of a process prior to applying the active layer, the substrate surface is modified in an unstructured state by means of a process, or the active layer is structured during the production thereof by means of photolithography and a subsequent physical deposition process, preferably sputtering or vapor deposition, and an annealing process, preferably a rapid annealing process, so as to form segments.

Abstract: The invention relates to a method for producing a silicon anode for lithium batteries, in which a silicon layer is deposited on a substrate, preferably copper, and is then subjected to short-term tempering. The object of the present invention is to provide a method which allows control of the proportions of silicon relative to silicide and metal, in which method a compromise should be found between the maximum proportion of pure silicon which must be available as active material for the intercalation of lithium, with at the same time a sufficient number of inactive regions to achieve stability and good electrical conductivity, and with a sufficient anode layer thickness with a high silicon content for a high capacitance. According to the invention, said object is achieved in a first approach by repeating the deposition of the silicon layer and the subsequent short-term tempering at least once.

Abstract: The invention relates to a method for producing a silicon electrode as an anode for a lithium-ion battery in which a silicon layer structure is applied to a carrier substrate. The problem addressed by the invention of specifying a method which is suitable for introducing additional lithium into the silicon electrode as an anode, in particular to compensate for initial losses during battery use and which is suitable for industrial use, is solved in that the silicon electrode is subjected to pre-lithiation in which lithium is introduced into the silicon layer structure through a process, in that a protective layer is applied and in that the introduced lithium is subjected, in a regulated and diffusion-controlled manner, through subsequent rapid annealing using a targeted application of energy, to a reaction with the silicon layer structure to produce lithium silicide.

Abstract: The invention relates to a method for increasing the adhesive strength of active layers in lithium batteries, in which a silicon layer is deposited on a substrate, preferably made of copper, and subsequently subjected to rapid annealing.

Abstract: A method for flashlamp control, in which a main pulse of the lamp current, producing a flash, is generated, and a pre-pulse of the lamp current is previously generated by application of a bias voltage includes a flashlamp with an ignition electrode, a bias voltage source, a main voltage source and a control system. The load of the flashlamp is minimized during the production of a main pulse by a pre-ignition. A pre-pulse is generated by applying a plasma voltage which is higher than the bias voltage, as an electrode voltage, and igniting a plasma in the flashlamp by means of an ignition electrode and maintaining same by means of the bias voltage during the pre-pulse.

Abstract: A method for flashlamp control, in which a main pulse of the lamp current, producing a flash, is generated, and a pre-pulse of the lamp current is previously generated by application of a bias voltage includes a flashlamp with an ignition electrode, a bias voltage source, a main voltage source and a control system. The load of the flashlamp is minimized during the production of a main pulse by a pre-ignition. A pre-pulse is generated by applying a plasma voltage which is higher than the bias voltage, as an electrode voltage, and igniting a plasma in the flashlamp by means of an ignition electrode and maintaining same by means of the bias voltage during the pre-pulse.

Abstract: A method for flashlamp control, in which a main pulse of the lamp current, producing a flash, is generated, and a pre-pulse of the lamp current is previously generated by application of a bias voltage includes a flashlamp with an ignition electrode, a bias voltage source, a main voltage source and a control system. The load of the flashlamp is minimized during the production of a main pulse by a pre-ignition. A pre-pulse is generated by applying a plasma voltage which is higher than the bias voltage, as an electrode voltage, and igniting a plasma in the flashlamp by means of an ignition electrode and maintaining same by means of the bias voltage during the pre-pulse.