Abstract: Process for producing an active material for batteries from lithium sulfide and ionic liquids, corresponding active materials, cathode materials, batteries and corresponding uses.

Abstract: A method for the hydrometallurgical recovery of lithium from a lithium transition metal oxide containing fraction of used galvanic cells is disclosed. According to the method, the lithium transition metal oxide containing fraction is introduced into sulphuric acid or hydrochloric acid, and hydrogen peroxide is added in an amount that is at least stoichiometric relative to the transition metal content to be reduced of the lithium transition metal oxide-containing fraction.

Abstract: A method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate is disclosed. According to the method, lithium-iron-phosphate-containing fraction is introduced into sulfuric acid and/or hydrochloric acid, and hydrogen peroxide is added in an amount that is at least stoichiometric relative to the iron content to be oxidized of the lithium-iron-phosphate-containing fraction.

Abstract: A lithium anode containing spherical lithium metal particles with an average diameter of between 5 and 200 ?m, which are bonded with a fluorine-free rubber-like binding agent from the groups saturated polyolefins and polyolefin copolymers, such as EPM (ethylene-propylene copolymers), EPDM (ethylene-propylene terpolymers) and polybutenes unsaturated polymers (diene polymers and diene copolymers), such as natural rubbers (NR), butadiene rubbers (BR), styrene-butadiene rubbers (SBR), polyisoprene rubbers and butyl rubbers (IIR, such as polyisobutylene isoprene rubber, PIBI) as well as heteroelement-containing copolymers, for example saturated copolymer rubbers, such as ethylene vinyl acetate (EVM), hydrogenated nitrile-butadiene rubber (HNBR), epichlorhydrin rubber (ECO), acrylate rubbers (ACM) and silicon rubbers (SI), as well as unsaturated copolymers, such as nitrile rubbers (NBR), for example, as well as galvanic cells containing the bonded lithium anode according to the invention and method for producin

Abstract: A particulate lithium metal composite materials having a layer containing phosphorous and a method for producing said phosphorous-coated lithium metal products, characterized in that melted, droplet-shaped lithium metal is reacted in a hydrocarbon solvent with a phosphorous source that contains the phosphorous in the oxidation stage 3, and use thereof for the pre-lithiation of electrode materials and the production of battery anodes.

Abstract: A particulate lithium metal/lithium sulfide composite material, to a method for producing a Li2S@C-coated lithium metal product, and to the use of said lithium metal product. The particulate lithium metal/lithium sulfide composite material has a core-shell morphology, the shell of which is made of a lithium sulfide containing C and the core of which is made of metal lithium. According to the method, the particulate lithium metal/lithium sulfide composite material is produced by reacting melted, drop-shaped lithium metal in a hydrocarbon solvent with a sulfur source selected from the group CS2, S8, H2S, COS, SO, SO2 or mixtures thereof. The method products according to the invention are used to produce lithium battery electrodes.

Abstract: The invention relates to a process for preparing metal difluorochelatoborates, in which a metal bis(chelato)borate of the formula M[BL2] is reacted with boron trifluoride and a metal fluoride (MF) and/or a metal salt of the chelating ligand (M2L) where M+ is a monovalent cation selected from the group consisting of lithium, sodium, potassium and ammonium NR4+, where R?H, alkyl (C1 to C8) and L is a chelating agent having two terminal oxygen atoms and having the general formula (II), where: when m=1 and Y1 and Y2 together with C1 form a carbonyl group, n=0 or 1 and o=0 or 1 and R1 and R2 are each, independently of one another, H or alkyl having from one to eight carbon atoms (C1-C8) and Y3, Y4 are each, independently of one another, OR3 (R3?C1-C8-alkyl), then n or o?1: p=0 or 1 and when n and o=0, p=1; or Y1, Y2, Y3, Y4 are each, independently of one another, OR3 (R3?C1-C8-alkyl), m=1, n=0 or 1, o=1 and p=0; or C2 and C3 are members of a 5- or 6-membered aromatic or heteroaromatic ring (with N, O or S as heter

Abstract: The invention relates to a method for producing amido-zinc halides as adducts with alkali-metal halides (R1R2N—ZnY*LiY) in aprotic organic solvents, in which a) a primary or secondary amine dissolved in an aprotic organic solvent is provided, b) a lithium base (RxLi) is added in a metered manner, and c) a ZnY2 is subsequently added.

Abstract: The invention relates to ?5:?1-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals, abbreviated to ?5:?1-CpPC-CGC, method for production and use of same.

Abstract: The invention relates to chelate-stabilized homleptic triaryl compounds based on phenylphosphoranes, to methods for preparing same and to the use thereof as catalysts. According to the invention, the object is achieved by homleptic rare earth triaryl complexes of the general formula (I), where SE=Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu; X?O, CRR?; R1, R2=phenyl; R, R?=mutually independently H, alkyl with n=10 C atoms, phenyl or trimethylsilyl.

Abstract: A solution of a mixed alkaline earth alkoxide compound with an aluminum compound in an aprotic solvent, and methods of making and using them.

Abstract: The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS2, COS, SO2 and SO, in a liquid state, in a hydrocarbon solvent except naphthalene. The products of the method according to the invention are used to produce lithium battery electrodes or a lithium-ion-conducting solid.

Abstract: The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS2, COS, SO2 and SO, in a liquid state, in an aliphatic or cycloaliphatic hydrocarbon solvent. The products of the method according to the invention are used to produce lithium battery electrodes or a lithium-ion-conducting solid.

Abstract: A method of producing an active material for batteries comprising providing electrochemically active particles, optionally comminuting the electrochemically active particles, adding an organic carbon compound, optionally in a suitable organic solvent, and mixing, heating the mixture under protective gas to a temperature above the decomposition limit of the organic compound and below the decomposition temperature of the electrochemically active particles, active materials thus obtained and also corresponding applications and uses.

Abstract: The invention relates to a method for producing amido-zinc halides as adducts with alkali-metal halides (R1R2N—ZnY*LiY) in aprotic organic solvents, in which a) a primary or secondary amine dissolved in an aprotic organic solvent is provided, b) a lithium base (RxLi) is added in a metered manner, and c) a ZnY2 is subsequently added.

Abstract: The invention relates to ?5:?1-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals, abbreviated to ?5:?1-CpPC-CGC, method for production and use of same.

Abstract: The invention relates to chelate-stabilized homleptic triaryl compounds based on phenylphosphoranes, to methods for preparing same and to the use thereof as catalysts. According to the invention, the object is achieved by homleptic rare earth triaryl complexes of the general formula (I), where SE=Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu; X=O, CRR?; R1, R2=phenyl; R, R?=mutually independently H, alkyl with n=10 C atoms, phenyl or trimethylsilyl.

Abstract: Cathode or anode, wherein the cathode binder or the anode binder comprises or consists of cellulose and/or cellulose derivatives which are soluble only in ionic liquids, a process for the production thereof and the use of cellulose and/or cellulose derivatives which are soluble only in ionic liquids as binder for producing cathodes and anodes, in particular battery electrodes.

Abstract: This invention relates to low-viscosity, concentrated complex solutions containing magnesium, which are produced by reacting a magnesium alkoside with a carboxylic acid halogenide in a hydrocarbon-based solvent, and to a method for producing the same.