Abstract: A silicon-containing material along with processes for producing and uses for the same. Where the silicon-containing material is based on one or more porous particles and silicon and the silicon is disposed in pores and on the surface of the one or more porous particles. The silicon-containing material has a specific surface area of at most 50 m2/g, determined by nitrogen sorption and BET evaluation and the one or more porous particles have a mean electrical particle resistance of at least 2 kOhm and a reversible delithiation capacity 0 of at most 100 mAh/g.

Abstract: Silicon-containing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D50 particle diameter of the porous particles from 0.5 to 200 ?m; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm3/g; and the PD50 pore diameter is no more than 30 nm; c (b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm3 per litre of reactor volume (cm3/LRV), and wherein the charge of the silicon-containing precursor comprises at least 2 g of silicon per litre of reactor volume (g/LRV); and (c) heating the reactor to a temperature effective to cause deposition of silicon in the pores of the porous particles, thereby providing the silicon-containing composite particles.

Abstract: Non-aggregated carbon-coated silicon particles are prepared, which have average particle diameters d50 of 1 to 15 ?m and contain ?10 wt. % carbon and ?90 wt. % silicon relative to the total weight of the carbon-coated silicon particles, by treating dry mixtures containing silicon particles and one or more polymeric carbon precursors, which contain one or more oxygen atoms and one or more heteroatoms selected from the group consisting of nitrogen, sulfur and phosphorus, in oxidative atmosphere at a temperature of 200 to 400° C. (thermal treatment) and subsequently performing carbonization in inert atmosphere.

Abstract: Silicon carbon composite particles and anode materials for use within lithium-ion batteries utilizing the silicon carbon composite particles. Where the silicon carbon composite particles have an alkali metal or alkaline earth metal concentration of 0.05 to 10 wt% and a pH > 7.5.

Abstract: A method or process for producing non-aggregated carbon-coated silicon particles and lithium-ion batteries utilizing the same. The process includes providing or producing a dry mixture by mixing silicon particles and polyacrylonitrile present in solid form. Thermally decomposing the polyacrylonitrile present in solid form in the dry mixture to form gaseous carbon precursors. Forming gaseous carbon precursors that are carbonized in the presence of the silicon particles by CVD processes (chemical vapor deposition, chemical gas phase deposition). Where the non-aggregated carbon-coated silicon particles have an average particle diameters d50 of from 1 to 15 ?m and containing ?10% by weight of carbon and ?90% by weight of silicon, each based on the total weight of the carbon-coated silicon particles.

Abstract: A friction ring-type transmission includes two roller bodies which are arranged at a distance from each other about a gap, which correspond to each other via the friction ring and which rotate (5) on axial roller body axes. The friction ring is arranged in an adjusting bridge in such a manner that it can be axially displaced about an adjusting path along the gap and the adjusting bridge is mounted by an individual, axial guiding device.

Abstract: The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide on which an adjusting bridge for the friction ring is arranged in a free axially displaceable manner. The adjusting device comprises a worm-gear drive that engages with the guide.

Abstract: In order for it to be also possible to transmit relatively high torques in an operationally reliable manner with low power loss and with a low or inexpensive design outlay in a bevel friction ring gear mechanism, consisting of at least two component transmissions which are configured as bevel friction ring gear mechanisms and have a first adjusting device for a friction ring of the first component transmission and a second adjusting device for a friction ring of the second component transmission, wherein the bevel friction ring gear mechanism has a regulating device for regulating an axial position of the friction rings, it is proposed that the regulating device has at least one first part regulating device with a first reference variable and a second part regulating device with a second reference variable which is separate from the first reference variable, wherein the first component transmission has the first part regulating device for regulating the position of the friction ring of the first component tra

Abstract: In order to absorb loadings on friction faces in bevel friction ring gear mechanisms in an improved manner, the invention proposes a bevel friction ring gear mechanism having at least two friction cones which are arranged spaced apart from one another and a friction ring which is arranged displaceably in the spacing and transmits a torque from one of the two friction cones to the other of the two friction cones, wherein at least one friction face varies axially and the axial variation of the friction face has a radius above 0.1 mm in at least two convex regions.

Abstract: In order to be able to build conical-friction-ring transmissions more compactly, the invention proposes a conical-friction-ring transmission having a first friction cone, having a second friction cone, having a friction ring, and having at least one other transmission element, in which the first friction cone is mounted to rotate about a first friction-cone bearing axis by means of first friction-cone bearings, and the second friction cone is mounted to rotate about a second friction-cone bearing axis by means of second friction-cone bearings, in which the two friction cones are disposed tensioned relative to one another by means of the friction ring, in which main bearing forces that act radially, with regard to the friction-cone bearing axes, extend in a main bearing plane spanned by the two friction-cone bearing axes, in which the at least one other transmission element precedes or follows the friction cones, and in which coupling moments can be in effect between one of the friction cones and the at least

Abstract: The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide on which an adjusting bridge for the friction ring is arranged in a free axially displaceable manner. The adjusting device comprises a worm-gear drive that engages with the guide.

Abstract: In a revolving transmission having at least two revolving transmission elements which may transmit a torque frictionally, at least one gap, which is preferably only filled with a liquid, is provided between the transmission elements at least during operation.

Abstract: Two continuously variable transmission parts are connected to a common driven train through a pick-off gear so as to provide an entire continuously variable transmission operating with high efficiency even at high torques.

Abstract: In a transmission having two revolving transmission elements, each of which has at least one running surface for a revolving coupling element, at least one running surface having at least two running paths for the coupling element having different running radii and the two transmission elements being braced, while incorporating the coupling element, via a bracing device which presses the two transmission elements against the coupling element with a variable pressure, the bracing device comprises a pressure device connected in series with a spring element.

Abstract: In order to absorb loadings on friction faces in bevel friction ring gear mechanisms in an improved manner, the invention proposes a bevel friction ring gear mechanism having at least two friction cones which are arranged spaced apart from one another and a friction ring which is arranged displaceably in the spacing and transmits a torque from one of the two friction cones to the other of the two friction cones, wherein at least one friction face varies axially and the axial variation of the friction face has a radius above 0.1 mm in at least two convex regions.

Abstract: In a transmission having two revolving transmission elements, each of which has at least one running surface for a revolving coupling element, at least one running surface having at least two running paths for the coupling element having different running radii and the two transmission elements being braced, while incorporating the coupling element, via a bracing device which presses the two transmission elements against the coupling element with a variable pressure, the bracing device comprises a pressure device connected in series with a spring element.

Abstract: In a revolving transmission having at least two revolving transmission elements which may transmit a torque frictionally, at least one gap, which is preferably only filled with a liquid, is provided between the transmission elements at least during operation.

Abstract: A pressing apparatus including two pressing apparatus parts for two gear members running together is proposed, with the second pressing apparatus part partially accommodating the force applied by the first pressing apparatus part.