Systems and methods are provided for electrochemical battery testing in supercapacitor-toelectrochemical hybrid systems, which may be provided in an electric vehicle. Such systems may include at least one electrochemical battery and an supercapacitor adder module and connections, and electrochemical battery testing module. In conjunction with a supercapacitor adder module, the electrochemical battery testing module applies a variety of tests and measures various parameters of one or more electrochemical batteries connected to an electric vehicle.

Systems and methods are provided for electrochemical battery testing in supercapacitor-toelectrochemical hybrid systems, which may be provided in an electric vehicle. Such systems may include at least one electrochemical battery and an supercapacitor adder module and connections, and electrochemical battery testing module. In conjunction with a supercapacitor adder module, the electrochemical battery testing module applies a variety of tests and measures various parameters of one or more electrochemical batteries connected to an electric vehicle.

A system for powering an electric vehicle includes a first switch disposed on a first electrical path between at least one electrochemical battery and the electric vehicle, a second switch disposed on a second electrical path between at least one supercapacitor top-off battery and the electric vehicle, and a controller communicatively coupled to the first switch and the second switch, wherein the controller, responsive to a first switching condition, disconnects the at least one electrochemical battery from the electric vehicle via the first switch and connects the at least one supercapacitor top-off battery to the electric vehicle via the second switch to power the electric vehicle, wherein the at least one electrochemical battery is coupled to an generator of the electric vehicle via a third electrical path, such that the at least one electrochemical battery is recharged by the generator while the electric vehicle is powered by the at least one supercapacitor top-off battery.

A system for powering an electric vehicle includes a first switch disposed on a first electrical path between at least one electrochemical battery and the electric vehicle, a second switch disposed on a second electrical path between at least one supercapacitor top-off battery and the electric vehicle, and a controller communicatively coupled to the first switch and the second switch, wherein the controller, responsive to a first switching condition, disconnects the at least one electrochemical battery from the electric vehicle via the first switch and connects the at least one supercapacitor top-off battery to the electric vehicle via the second switch to power the electric vehicle, wherein the at least one electrochemical battery is coupled to an generator of the electric vehicle via a third electrical path, such that the at least one electrochemical battery is recharged by the generator while the electric vehicle is powered by the at least one supercapacitor top-off battery.

Example embodiments of systems, devices, and methods are provided herein for energy systems having multiple modules arranged in cascaded fashion for storing and discharging power. Each module includes an energy source and converter circuitry that selectively couples the energy source to other modules in the system. The modules can be arranged in serial arrays that in turn can be reconfigurably connected for interfacing the system with either an AC entity or a DC entity. Mobile charge stations having reconfigurable arrays are also disclosed.

In a method for operating an electric vehicle, including a first energy storage device (e.g., a rechargeable battery storage device), a second energy storage device (e.g., a double-layer capacitor device), an energy supply unit which provides energy, for charging the first and/or second energy storage device, and a first electrical consumer connected to the second energy storage device via an intermediate circuit, the first energy storage device is connected to the energy supply unit via a bidirectional converter unit, the second energy storage device is connected to the energy supply unit, a first power flows from the first energy storage device to the second energy storage device if an intermediate circuit voltage falls below a definable voltage, and a second power flow from the second to the first energy storage device is prevented.

In a method for operating an electric vehicle, including a first energy storage device (e.g., a rechargeable battery storage device), a second energy storage device (e.g., a double-layer capacitor device), an energy supply unit which provides energy, for charging the first and/or second energy storage device, and a first electrical consumer connected to the second energy storage device via an intermediate circuit, the first energy storage device is connected to the energy supply unit via a bidirectional converter unit, the second energy storage device is connected to the energy supply unit, a first power flows from the first energy storage device to the second energy storage device if an intermediate circuit voltage falls below a definable voltage, and a second power flow from the second to the first energy storage device is prevented.

In a method for operating an electric vehicle, including an electrical drive device for driving the vehicle, a control device for controlling the driving of the vehicle, a first energy storage device for supplying the control device with a first DC voltage, a second energy storage device for supplying the drive device with a second DC voltage, and an energy supply unit providing an output DC voltage, the first energy storage device is connected to the energy supply unit via a converter device, the second energy storage device is connected to the energy supply unit, the converter device converts the output DC voltage into the first DC voltage, a first power flow from the first energy storage device to the second energy storage device is prevented and a second power flow from the second energy storage device to the first energy storage device is prevented.

In a method for operating an electric vehicle, including an electrical drive device for driving the vehicle, a control device for controlling the driving of the vehicle, a first energy storage device for supplying the control device with a first DC voltage, a second energy storage device for supplying the drive device with a second DC voltage, and an energy supply unit providing an output DC voltage, the first energy storage device is connected to the energy supply unit via a converter device, the second energy storage device is connected to the energy supply unit, the converter device converts the output DC voltage into the first DC voltage, a first power flow from the first energy storage device to the second energy storage device is prevented and a second power flow from the second energy storage device to the first energy storage device is prevented.

Provided is a capacitor module in which a plurality of film capacitor cells and a pair of bus bars are housed in a metal case to be integrated with a resin added in the metal case, and an electrical insulating film is formed at least on an inner surface of the metal case or each of outer surfaces of the pair of bus bars. The capacitor module is provided in an inverter device including an inverter circuit that converts DC power into AC power. The inverter device is provided in a motor module including an AC motor rotationally driven by AC power supplied from the inverter device, and the motor module is provided in a vehicle including an electric drive system.