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 subject matter of the invention are transition-metal-free nitrogen-containing hydride anodes of the general formula LioNH3-o, where o=1, 2 or 3, and wherein said transition-metal-free nitrogen-containing hydride anodes, in the charged state, are mixed with lithium hydride, and electrochemical elements, for example lithium batteries, which contain said transition-metal-free nitrogen-containing hydride anodes as the anode. The invention also describes methods for producing transition-metal-free nitrogen-containing hydride anode materials and electrochemical elements comprising transition-metal-free nitrogen-containing hydride anodes.

Abstract: A galvanic element containing a substantially transition metal-free oxygen-containing conversion electrode, a transition metal-containing cathode, and an aprotic lithium electrolyte. The substantially transition metal-free oxygen-containing conversion electrode materials contain lithium hydroxide and/or lithium peroxide and/or lithium oxide, and in the charged state additionally contain lithium hydride, and are contained in a galvanic element, for example a lithium battery, as the anode. Methods for producing substantially transition metal-free oxygen-containing conversion electrode materials and galvanic elements made of substantially transition metal-free oxygen-containing conversion electrode materials are also provided.

Abstract: The invention relates to particulate lithium metal formations having a substantially spherical geometry and a core composed of metallic lithium, which are enclosed with an outer passivating but ionically conductive layer containing nitrogen. The invention further relates to a method for producing lithium metal formations by reacting lithium metal with one or more passivating agent(s) containing nitrogen, selected from the groups N2, NxHy with x=1 or 2 and y=3 or 4, or a compound containing only the elements C, H, and N, and optionally Li, at temperatures in the range between 60 and 300° C., preferably between 100 and 280° C., and particularly preferably above the melting temperature of lithium of 180.5° C., in an inert organic solvent under dispersion conditions or in an atmosphere that contains a gaseous coating agent containing nitrogen.

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: 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: 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.

Abstract: A hydride anode containing aluminium of the formula (M1)m(M2)3?mAlH6, where M1 and M2 are an alkali element selected independently from one another from Li, Na and K; m is a number between 1 and 3; n is a number ?3, and galvanic elements, such as lithium batteries, containing as anodes said hydride anodes containing aluminum. Methods for the production of galvanic elements having hydride anodes containing aluminium is also provided.

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: Additives for galvanic cells wherein fluorine-free sodium, potassium, cesium, and/or rubidium salts that are soluble in polar organic solvents are used as electrolyte components (additives).

Abstract: Rechargeable, non-aqueous lithium batteries which contain, as active anode material, either lithium metal or a lithium alloy, an active cathode material with a redox potential in the range of between 1.5 and 3.4 V vs. Li/Li+ and lithium rhodanide (LiSCN) as electrolyte component.

Abstract: A crystalline, completely soluble lithium bis(oxalato)borate (LiBOB), to a method for producing the same and to the use of the lithium bis(oxalato)borate.

Abstract: A surface-passivated lithium metal, which has a composite top layer containing or consisting of at least two poorly soluble components containing lithium. Production of the surface-passivated lithium metal such that lithium metal below 180° C., thus in the solid state, is transformed into an inert, aprotic solvent with a passivating agent of the general formula Li[P(C2O4)?x/2Fx] where x=0, 2, or 4 is also disclosed.

Abstract: The invention relates to a novel process for preparing lithium sulfide and to the use thereof, wherein a reaction of lithium-containing strong bases with hydrogen sulfide is undertaken in an aprotic organic solvent within the temperature range from ?20 to 120° C. under inert conditions. The lithium sulfide obtained by the process is used as a positive material in a galvanic element or for the synthesis of Li ion-conductive solids, especially for the synthesis of glasses, glass ceramics or crystalline products.

Abstract: A concentrated solution of mixed alkaline-earth alkoxide compounds M(OCH2R6)2-x(OR7)x and an aluminum compound Al(OCH2R6)3-y(OR7)y, in aprotic solvents, wherein M is an alkaline-earth metal selected from among Mg, Ca, Ba, Sr; OCH2R6 is an alkoxide group comprising at least 3 and at most 40 C atoms and having a branch at the 2-position relative to the O-function, in other words R6 is CHR8R9, wherein R8, R9 are alkyl groups C1-C18 independently of each other; R7 is an alkyl group having 2-15 C atoms that is either linear or has a branch at ?the 3-position; and the sum of x and y is a number between 0.01 and 0.8.

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 crystalline, completely soluble lithium bis(oxalato)horate (LiBOB), to a method for producing the same and to the use of the lithium bis(oxalato)borate.

Abstract: The invention relates to conducting salts which contain lithium bis(oxalato)borate (LiBOB) and mixed lithium borate salts of the type of formula (I), wherein the portion of compound (I) in the conducting salt is 0.01 to 20 mole-% and X in formula (I) is a bridge linked with the boron via two oxygen atoms, selected from formula (II), wherein Y1 and Y2 together=O, m=1, n=0 and Y3 and Y4 independently represent H or an alkyl group with 1 to 5 C atoms, or Y1, Y2, Y3, Y4 independently represent OR (with R=alkyl group with to 5 C atoms), or H or an alkyl group with 1 to 5 C atoms, and wherein m=0 or 1, n=0 or 1, or Y2 and Y3 are members of a 5- or 6-membered aromatic or heteroaromatic ring (with N, O or S as the hetero element) which can be optionally substituted with alkyl, alkoxy, carboxy or nitrile, and if so, Y1 and Y4 are not applicable and n>0, m=0 or 1. The invention also relates to a method for producing the inventive conducting salts.