In part, the disclosure relates to a method of reducing the interaction of mobile phones and capacitive touchscreens with electrically charged aerosols. The method may include reducing electrostatic field from a mobile device using one or more conductive meshes sized to shield a region of a mobile device, wherein the region of the mobile device is an electric field source. Additionally, the method may also include processing signals used to charge the mobile device using one or more of a linear regulator and a signal conditioner to reduce harmonic content of the signals such that the voltage level of signals used to charge the mobile device is less than about 100 V/m RMS, or even more preferably to less than about 20 V/m RMS.

A safe energy supply unit (1) and system, for supplying an electrical device (8) in an explosion-proof area, transmits power from an energy source (9), including a plurality of galvanically isolated individual sources, with a multiple line connection (2) with a plurality of galvanically isolated and individually shielded conductor pairs (31, 32, 33, 34). A collector device (4), in an explosion-proof jacket (5) at an end of the multiple line (3), has uncoupling devices (45) for the galvanically isolated conductor pairs and a combiner circuit (47, 49) that combines the transmitted electric power from each line into a global power. The global power is outputted at an output (48) of the collector device to the electrical device. The conductor pairs allow for an increased global power, which is scalable, safely transmittable, with standard, conductor pairs. The electrical device is intrinsically safely supplied with high power with minimal effort.

Methods and systems are provided for managing multi-battery systems, such as those utilized in an electric vehicle. Multi-battery systems comprise batteries providing power in parallel, thereby making each battery available to the vehicle and avoiding the weight of transporting a backup battery. The methods and systems provided allow for a fault in one battery, in a parallel configuration with at least one other battery, to be detected and managed.

The invention relates to a method of controlling the on-time of a plurality of energy modules of an energy storage. The energy storage comprising a plurality of series connected energy modules forming an energy module string. A string controller is controlling which of the individual energy modules that is part of a current path through the energy module string, by control of the status of a plurality of switches. The string controller is controlling the frequency of the energy module string voltage according to an electric system reference related to a system to which the energy storage is connected. And wherein the string controller is controlling the switches of the individual energy modules so that each of the individual energy modules that are required to be included in the current path to establish the energy modules string voltage are included in the current path for at least a minimum on-time.

A power management system includes a direct current-direct current DC-DC conversion circuit, a first control circuit, a charging circuit, an input port, and an output port. The input port is configured to receive an input voltage. The output port is configured to supply an output voltage to a load. The DC-DC conversion circuit is configured to charge the output port from the input port, to adjust the output voltage. The first control circuit is configured to: obtain a second feedback voltage of the output voltage from the output port, generate a first control signal based on the second feedback voltage and a second reference signal, and supply the first control signal to the charging circuit. The charging circuit charges the output port from the input port based on the first control signal, to supplementally adjust the output voltage.

A method for predicting a state-of-power, SoP, of an electric energy storage system, ESS, comprising at least two battery units electrically connected in parallel. The method includes obtaining operational data from the at least two battery units of the ESS during operation of the ESS; computing the state-of-power of the ESS based on the obtained operational data and by using an algorithm based on a system-level model of the ESS, wherein the system-level model of the ESS takes into account on one hand each one of the at least two battery units of the ESS, and on the other hand at least one electrical connection between the at least two battery units, and wherein the system-level model of the ESS further takes into account a dynamic parallel load distribution between the at least two battery units.

The invention relates to a method for adjusting an anode overvoltage of a lithium-ion battery (310). The invention furthermore relates to a method for improving a capacity state of health of a lithium-ion battery (310). The invention also relates to a vehicle having at least one lithium-ion battery (310) whose anode overvoltage is adjusted using the method for adjusting the anode overvoltage of the lithium-ion battery (310) and/or whose capacity state of health is improved using the method for improving the capacity state of health of the lithium-ion battery (310). The invention also relates to a fleet management system that is designed to perform the method for adjusting the anode overvoltage of the lithium-ion battery (310) and/or the method for improving the capacity state of health of the lithium-ion battery (310).

An apparatus and a method for an aerosol generating device is described, the apparatus including a control module and a charging controller. The charging controller is configured to control charging of a battery at a first charging rate in a first charging mode and to control charging of the battery at a second charging rate, lower than the first charging rate, in a second charging mode. The control module is configured to determine whether the aerosol generating device is in use. The charging controller, when operating in the second charging mode, is configured to change the charging mode to the first charging mode in the event that the control module determines that the aerosol generating device is in use.

An apparatus and a method for an aerosol generating device is described, the apparatus including a charging controller. The charging controller is configured to control charging of a battery using a power supply at a charging current dependent, at least in part, on power capabilities of the power supply.

A computer-implemented method for improved determination of state of health (SoH) of a battery of a device can include determining that the device is in a charging state such that a charge of the battery is increased over a charge procedure; determining that a state of charge (SoC) metric of the battery reported by a battery gauge system has increased by a fixed SoC interval; determining a charge time interval over which the SoC metric of the battery has increased by the fixed SoC interval; and determining a SoH metric indicative of the SoH of the battery based at least in part on the charge time interval; wherein determining the SoH metric is based at least in part on a known relationship between a reference time interval representative of time required to increase a reference battery at full SoH by the fixed SoC interval and the charge time interval.