Abstract: A method is described for producing silicon particles, in particular for an anode material of a lithium cell. In order to improve the cycle stability of lithium cells and to minimize losses in capacitance, in particular, microorganisms are dispersed in at least one solvent in a method step a), the solvent including at least one silicon compound. In a method step b), the at least one solvent is then removed, and a residue remains. In method step c), the residue is then heated under a reducing atmosphere. In addition, the invention relates to corresponding silicon particles, and to a corresponding anode material including silicon particles, and to a lithium cell provided with such.

Abstract: The invention relates to a fuel cell device comprising a fuel cell unit (10) which comprises at least two fuel cells (12, 14) and an interconnection unit (16) which is provided to serially interconnect the at least two fuel cells (12, 14). According to the invention, the at least one interconnection unit (16) comprises at least two layers (18, 20) which are made from different materials.

Abstract: A method is described for producing silicon particles, in particular for an anode material of a lithium cell. In order to improve the cycle stability of lithium cells and to minimize losses in capacitance, in particular, microorganisms are dispersed in at least one solvent in a method step a), the solvent including at least one silicon compound. In a method step b), the at least one solvent is then removed, and a residue remains. In method step c), the residue is then heated under a reducing atmosphere. In addition, the invention relates to corresponding silicon particles, and to a corresponding anode material including silicon particles, and to a lithium cell provided with such.

Abstract: A ceramic composition for an injection-molding process for producing a combustion chamber pressure sensor, in particular for producing an insulation punch of a combustion chamber pressure sensor, includes a ceramic component in a proportion of greater than or equal to 50% by weight and a glass component in a proportion of less than or equal to 50% by weight. The ceramic component includes aluminum oxide. The glass component includes silicon dioxide or a silicon dioxide precursor. The ceramic composition further includes an alkaline earth metal oxide or an alkaline earth metal oxide precursor. The ceramic composition allows production of an insulation punch having a particularly good insulation capability. A ceramic injection-molding process includes the ceramic composition.

Abstract: A method is described for manufacturing a lithium-sulfur cell or lithium-sulfur battery, in particular a solid-state lithium-sulfur cell or lithium-sulfur battery. A nanowire network is provided in a method step a) composed of an electron- and lithium ion-conducting ceramic mixed conductor or a mixed conductor precursor for forming an electron- and lithium ion-conducting ceramic mixed conductor. The nanowire network is coated with a lithium ion-conducting solid-state electrolyte layer in a method step b). The nanowire network is optionally infiltrated with sulfur in a method step c). A cathode current arrester is applied to the uncoated side of the nanowire network in a method step d). Moreover, a lithium-sulfur cell, a lithium-sulfur battery, and a mobile or stationary system are described as well.

Abstract: A ceramic composition for an injection-molding process for producing a combustion chamber pressure sensor, in particular for producing an insulation punch of a combustion chamber pressure sensor, includes a ceramic component in a proportion of greater than or equal to 50% by weight and a glass component in a proportion of less than or equal to 50% by weight. The ceramic component includes aluminum oxide. The glass component includes silicon dioxide or a silicon dioxide precursor. The ceramic composition further includes an alkaline earth metal oxide or an alkaline earth metal oxide precursor. The ceramic composition allows production of an insulation punch having a particularly good insulation capability. A ceramic injection-molding process includes the ceramic composition.

Abstract: A sodium-chalcogen cell is described which is operable at room temperature, in particular a sodium-sulfur or sodium-oxygen cell, the anode and cathode of which are separated by a solid electrolyte which is conductive for sodium ions and nonconductive for electrons. The cathode of the sodium-chalcogen cell includes a solid electrolyte which is conductive for sodium ions and electrons. Moreover, a manufacturing method for this type of sodium-chalcogen cell is described.

Abstract: A lithium-sulfur cell which may be operated at room temperature or at a higher temperature, the anode and the cathode of the lithium-sulfur cell being separated by a lithium ion-conducting and electron-nonconducting solid electrolyte. Also described is an operating method for such a lithium sulfur cell and to the use of such a lithium-sulfur cell.

Abstract: A sodium ion conductor is described which includes a sodium titanate. Moreover, a also described are a galvanic cell, a sensor having this type of sodium ion conductor (3, 4a, 4b), and a production method for this type of sodium ion conductor.