Abstract: A computer-implemented method and an electrical impedance analyzing system for analyzing electrical impedance measurements of an electrochemical battery, including: a translating of respective electrical impedance measurements that corresponds to subtracting an ohmic alternating current resistance value from the real part of electrical impedance; and a scaling using scaling factors, the absolute values of which are based on an electrical impedance that corresponds to a transition between a translated first subseries and a translated second subseries of the series of electrical impedance measurements, the first subseries being associated with a battery behavior of the electrochemical battery in which the electrical impedance is dominated by diffusion processes, the second subseries being associated with a battery behavior of the electrochemical battery in which the electrical impedance is dominated by charge transfer processes at the electrodes of the battery.

Abstract: A computer-implemented method and a battery state estimating system for estimating a battery state of an electrochemical battery, including: weighting the electrical impedance measurements of a provided series of electrical impedance measurements according to a weighting function that is dependent on the index(s) of the series or on the measurement frequency, resulting in at least a series of consecutive elements of the series of measurements, when point-to-point connected in the complex plane of the electrical impedance in a sequence according to the index of the series of measurements, forming at least one loop in the complex plane; calculating a measure of the size of the at least one loop in the complex plane; determining an estimation of a battery state of the electrochemical battery based on the calculated measure of the size of the at least one loop in the complex plane; and outputting the estimation of the battery state.

Abstract: A computer-implemented method and a battery state estimating system for estimating a battery state of an electrochemical battery, including: calculating electrical impedance gradients from a provided series of electrical impedance measurements to generate a series of electrical impedance gradients; and determining a battery state of the electrochemical battery using computational means configured to receive as inputs at least the series of electrical impedance gradients, the computational means receiving and processing at least the provided series of calculated electrical impedance gradients to generate therefrom at least one output signal representing a battery state associated with the electrochemical battery.

Abstract: A computer-implemented method and a temperature estimating system for estimating a temperature of an electrochemical battery, including: providing a series of electrical impedance measurements of an electrochemical battery, each electrical impedance measurement being measured at a respective measurement frequency, the series being ordered according to the respective measurement frequencies; and determining a temperature of the electrochemical battery using artificial neural network means configured to receive as inputs a series of electrical impedance values, wherein a series of electrical impedance values is provided to the artificial neural network means, the series of electrical impedance values corresponding to the provided series of electrical impedance measurements, wherein the artificial neural network means receives and processes the provided series of electrical impedance values to generate therefrom an output signal representing a temperature associated with the electrochemical battery.

Abstract: A DC/DC converter is provided which can be produce easily and inexpensively with an alternating current component with which a superimposed direct current is reduced in an output voltage (ripple). A C+DC/DC converter includes an input and output, a series arm which is arranged between the input and the output and in which at least one first inductor and first capacitor are arranged, and a capacitor arranged in a first shunt arm at the output. A second shunt arm arranged parallel to the first shunt arm is equipped with a first switch and a second switch arranged in series and a second inductor such that the first connection of the inductor is connected to a point between the first inductor and the first capacitor and the second connection of the inductor is connected to a point between the first and the second switch.

Abstract: A DC/DC converter is provided which can be produce easily and inexpensively with an alternating current component with which a superimposed direct current is reduced in an output voltage (ripple). A C+DC/DC converter includes an input and output, a series arm which is arranged between the input and the output and in which at least one first inductor and first capacitor are arranged, and a capacitor arranged in a first shunt arm at the output. A second shunt arm arranged parallel to the first shunt arm is equipped with a first switch and a second switch arranged in series and a second inductor such that the first connection of the inductor is connected to a point between the first inductor and the first capacitor and the second connection of the inductor is connected to a point between the first and the second switch.

Abstract: A DC/DC converter is provided which can be produce easily and inexpensively with an alternating current component with which a superimposed direct current is reduced in an output voltage (ripple). A C+DC/DC converter includes an input and output, a series arm which is arranged between the input and the output and in which at least one first inductor and first capacitor are arranged, and a capacitor arranged in a first shunt arm at the output. A second shunt arm arranged parallel to the first shunt arm is equipped with a first switch and a second switch arranged in series and a second inductor such that the first connection of the inductor is connected to a point between the first inductor and the first capacitor and the second connection of the inductor is connected to a point between the first and the second switch.

Abstract: A DC/DC converter is provided which can be produce easily and inexpensively with an alternating current component with which a superimposed direct current is reduced in an output voltage (ripple). A C+DC/DC converter includes an input and output, a series arm which is arranged between the input and the output and in which at least one first inductor and first capacitor are arranged, and a capacitor arranged in a first shunt arm at the output. A second shunt arm arranged parallel to the first shunt arm is equipped with a first switch and a second switch arranged in series and a second inductor such that the first connection of the inductor is connected to a point between the first inductor and the first capacitor and the second connection of the inductor is connected to a point between the first and the second switch.