摘要:
The invention relates to a cathode (A) for Li-ion rechargeable batteries, comprising (a1) at least one accumulator, (a2) at least one layer comprising at least one cathode-active material storing and releasing Li-ions, at least part of the layer (a2) being compressed and/or the side of the layer (a2) facing the anode comprising at least one layer (a3) containing at least one solid electrolyte conducting Li-ions, the solid electrolyte being selected from the group consisting of inorganic solid electrolytes and mixtures thereof and being insoluble in the electrolyte system (B) used in the Li-ion rechargeable battery. The invention further relates to Li-ion rechargeable batteries comprising the cathode (A), and to a method for producing the cathode (A).
摘要:
The present invention relates to a battery comprising as a first component (A) a pressure vessel (A) and as a second component (B), which is inside of the pressure vessel (A), at least one electrochemical cell (B) comprising at least one cathode comprising at least one electroactive sulfur-containing material, wherein the pressure vessel (A) can be filled or is filled with a pressure medium (C) in order to generate a pressure in the range from 2 bar to 200 bar inside of said pressure vessel. The present invention further relates to a process for operating an electrochemical cell (B), wherein the electrochemical cell (B) is exposed to a hydrostatic pressure in the range from 2 bar to 200 bar.
摘要:
The invention relates to a method for producing an Sn(ll) cross-linked novolac-material, the Sn(ll) cross-linked novolac-material obtained according to the invention, to a method for producing an electroactive material which contains a carbon phase C and a tin phase and/or tin oxide phase, comprising the method for producing an Sn(ll) cross-linked novolac-material and a subsequent carbonisation step, the electroactive material obtained according to the claimed method, and electrochemical cells and batteries containing said electroactive material.
摘要:
The present invention relates to new composite materials, in the production of which at least (A) at least one polymer containing fluorine, (B) carbon in a modification that comprises at least 60% sp 2 -hybridized C atoms, and C) at least one component containing sulfur are used as starting components, comprising a mixture that is thermally treated in a method step, which mixture contains starting components (A) and (B) or starting components (A) and (C) or starting components (A), (B), and (C), wherein the fraction of the sum of the weight fractions of starting components (A) and (B), (A) and (C), or (A), (B), and (C) in the particular mixture before the thermal treatment with respect to the total weight of the mixture before the thermal treatment is 90 to 100%, and wherein the thermal treatment of the mixture containing starting components (A) and (B), (A) and (C), or (A), (B), and (C) is performed at a temperature of at least 115 °C. The present invention further relates to a method for producing composite materials according to the invention, cathode materials for electrochemical cells containing composite materials according to the invention, corresponding electrochemical cells, and special thermally treated mixtures containing at least starting components (A) and (C).
摘要:
Electrochemical cells containing (A) at least one cathode which has at least one lithiated Mn-containing compound which has an Mn content of from 60 to 80 mol%, based on transition metal present in the cathode (A), (B) at least one anode which comprises carbon in an electrically conductive modification, (C) at least one electrolyte which contains a) at least one aprotic organic solvent, (b) at least one lithium salt and (c) at least one organic compound which has at least one Si-N single bond per molecule.
摘要:
The present invention relates to electrochemical cells comprising (A) at least one cathode comprising at least one lithium ion-containing transition metal oxide comprising manganese as a transition metal, (B) at least one anode, and (C) at least one layer comprising (a) at least one ion exchanger in particulate form, (b) at least one binder.
摘要:
The invention relates to an electrolyte solution, containing at least one solvent as component A, at least one electrolyte as component B, and 0.1 to 20 wt%, relative to the total electrolyte solution, of at least one heteroaromatic compound of the general formula (I) as component C, to the use of such a compound in electrolyte solutions, to the use of such an electrolyte solution in an electrochemical cell or for metal coating, and to electrochemical cells, containing a corresponding electrolyte solution.