Abstract: Electrolyte for an electrochemical battery cell, containing sulfur dioxide and a conductive salt. Improved characteristics of a cell filled with the electrolyte are achieved in that the molar concentration of hydroxide groups in the electrolyte is at most 50 mmol per liter and the molar concentration of chlorosulfonate groups in the electrolyte is at most 350 mmol per liter.

Abstract: The present invention relates to a rechargeable electrochemical battery cell having a housing, a positive electrode, a negative electrode, and an electrolyte, the electrolyte containing sulfur dioxide and a conductive salt of the active metal of the cell. The total quantity of oxygen-containing compounds contained in the cell that are able to react with the sulfur dioxide, reducing the sulfur dioxide, is not more than 10 mMol per Ah theoretical capacitance of the cell.

Abstract: A battery module comprises a battery module housing with parts made of plastic and a plurality of prismatic battery cells that have a cell housing with four side walls. Two parallel side walls are larger than the two other side walls. The electrolyte of the battery cells is preferably SO2-based.

Abstract: Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte comprises SO2 and the positive electrode contains an active material in the composition LixM?yM?z(XO4)aFb, wherein M? is at least one metal selected from the group consisting of the elements Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn, M? is at least one metal selected from the group consisting of the metals of the groups II A, III A, IV A, V A, VI A, IB, IIB, IIIB, IVB, VB, VIB and VIIIB, X is selected from the group consisting of the elements P, Si and S, x is greater than 0, y is greater than 0, z is greater than or equal to 0, a is greater than 0 and b is greater than or equal to 0.

Abstract: Electrolyte for an electrochemical battery cell that contains sulphur dioxide and a conductive salt. The electrolyte is a gel that is formed with to the involvement of a fluorosulphinate. The invention is also directed to a battery cell that contains such an electrolyte.

Abstract: Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte comprises SO2 and the positive electrode contains an active material in the composition LixM?yM?z(XO4)aFb, wherein M? is at least one metal selected from the group consisting of the elements Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn, M? is at least one metal selected from the group consisting of the metals of the groups II A, III A, IV A, V A, VI A, IB, IIB, IIIB, IVB, VB, VIB and VIIIB, X is selected from the group consisting of the elements P, Si and S, x is greater than 0, y is greater than 0, z is greater than or equal to 0, a is greater than 0 and b is greater than or equal to 0.

Abstract: The present invention relates to a high-current battery system in which a high operating current flows, in particular for vehicle drives. The high-current battery system has a battery system monitoring electronics unit and a plurality of battery modules, each module including at least one rechargeable battery cell and being electrically connected in series by means of an operating current line such that an operating current flows through the operating current line during operation. At least one of the battery modules is designed as a bypass battery module which comprises a bypass switch and a bypass line, which are designed and disposed such that the battery module is electrically bridged by the bypass line after the bypass switch is switched from a normal operating position into a bypass position, so that the operating current flows through the bypass line.

Abstract: The present invention relates to a rechargeable electrochemical battery cell having a housing, a positive electrode, a negative electrode, and an electrolyte, the electrolyte containing sulfur dioxide and a conductive salt of the active metal of the cell. The total quantity of oxygen-containing compounds contained in the cell that are able to react with the sulfur dioxide, reducing the sulfur dioxide, is not more than 10 mMol per Ah theoretical capacitance of the cell.

Abstract: Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte is based on SO2 and the positive electrode contains an active material in the composition LixM?yM?z(XO4)aFb, wherein M? is at least one metal selected from the group consisting of the elements Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn, M? is at least one metal selected from the group consisting of the metals of the groups II A, III A, IV A, V A, VI A, IB, IIB, IIIB, IVB, VB, VIB and VIIIB, X is selected from the group consisting of the elements P, Si and S, x is greater than 0, y is greater than 0, z is greater than or equal to 0, a is greater than 0 and b is greater than or equal to 0.

Abstract: The invention relates to a rechargeable electrochemical battery cell having a negative electrode, an electrolyte, and a positive electrode. The negative electrode comprises an electronically conductive substrate (12) at which an active metal (24) of the negative electrode is deposited by electrolysis during the charging of the cell. A porous structure (13) that contains the active mass (17) of the positive electrode is arranged in the vicinity of the substrate (12) of the negative electrode (5) in such a manner that the active metal (17) of the negative electrode that is deposited during the charging of the cell (3) penetrates into the pores (14) of the porous structure (13) comprising the active mass of the positive electrode and is deposited further therein, at least in part, in metallic form.