A fuel cell arrangement which comprises a fuel cell having a first inlet for a fuel and a second inlet for an oxidizing agent, and comprises a vortex tube having an inlet, a first outlet for heated gas and a second outlet for cooled gas. Here, the first outlet of the vortex tube is fluidically connected to the first inlet or the second inlet of the fuel cell. A fuel cell system may have such a fuel cell arrangement, and a vehicle may have such a fuel cell arrangement or fuel cell system.

An alkaline electrolyser device for hydrogen production includes a first and a second electric charge battery substantially identical. Each electric charge battery has a first electrode of copper, silver or their alloys, coated with zinc, a second electrode with a ferrous catalyst, and an alkaline aqueous solution in which the first and second electrodes are immersed. An output opening placed in correspondence of the second electrode is suitable to allow the escape from the battery of gases which develop in correspondence of the second electrode. The batteries are short-circuited with an electric power supply member placed between the first or the second electrodes, with a predefined polarity such that the voltage across the electrodes is higher than 1.3 V. In this configuration, the first battery undergoes a discharging process producing hydrogen gas, whilst, contextually, the second battery undergoes a charging process generating oxygen gas. When the discharge cycle of the first battery is completed, the polarity of the electric power supply is inverted, so that the second battery begins to discharge producing hydrogen gas and, at the same time, the first battery recharges producing oxygen gas. The polarity inversion is repeated cyclically so that oxygen and hydrogen are produced alternately in the two batteries.

The present disclosure generally relates to systems and methods for using an energy storage device to assist a venturi or an ejector in a fuel cell or fuel stack system.

The application relates to a battery module, a manufacturing method and a manufacturing device thereof, a battery pack and a power consumption apparatus. The battery module includes a first-type battery cell and a second-type battery cell having different chemical systems and being electrically connected at least in series, where under the conditions of 25° C. and 100% state of charge (SOC), specific power density P.sub.2 of the second-type battery cell is higher than specific power density P.sub.1 of the first-type battery cell. Satisfying: 0.04≤(r.sub.1/m)/(r.sub.2/n)≤14, where, r.sub.1 and r.sub.2 are resistances per unit area of a positive electrode plate of the first-type battery cell and a positive electrode plate of the second-type battery cell respectively, and m and n are numbers of laminations of the positive electrode plate of the first-type battery cell and the positive electrode plate of the second-type battery cell.

The application relates to a battery module, a manufacturing method and a manufacturing device thereof, a battery pack and a power consumption apparatus. The battery module includes a first-type battery cell and a second-type battery cell having different chemical systems and being electrically connected at least in series, where under the conditions of 25° C. and 100% state of charge (SOC), specific power density P.sub.2 of the second-type battery cell is higher than specific power density P.sub.1 of the first-type battery cell. Satisfying: 0.04≤(r.sub.1/m)/(r.sub.2/n)≤14, where, r.sub.1 and r.sub.2 are resistances per unit area of a positive electrode plate of the first-type battery cell and a positive electrode plate of the second-type battery cell respectively, and m and n are numbers of laminations of the positive electrode plate of the first-type battery cell and the positive electrode plate of the second-type battery cell.

Methods, systems, and apparatus for an energy or fuel sharing network system. The energy or fuel sharing network system includes an in-house fuel cell apparatus that is coupled or included within a home. The in-house fuel cell apparatus includes a generation and distribution unit. The generation and distribution unit is configured to generate energy or fuel and provide the energy or fuel to a vehicle. The energy or fuel sharing network system includes an energy or fuel sharing platform. The energy or fuel sharing platform includes a processor. The processor is configured to determine a location of the in-house fuel cell apparatus, and provide the location of the in-house fuel cell apparatus to the vehicle or a user device.

A hydrogen fuel cell, PV solar panel, and thermoelectric power generator powered all-electric mobile utility vehicle with an onboard regulated power supply with multiple power outlets and charging ports that uses DC/DC converters and DC/AC inverters to provide multiple DC and AC voltages to power or charge multiple external electrical devices, electronic instruments, electronic equipment, communications equipment, power tools, and vehicles simultaneously. A utility vehicle integrated with a component thermal management system GPS, Wi-Fi, ADAS, automotive Ethernet, telecommunications, real-time data reporting, warning notification capable, weather station, environmental sensors, with EMI, RFI, high voltage surge protection, circuit breakers, computer and supporting software programs which can be used in on-road, off-road and emergency response situations.

A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other.

A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other.

A power system within a battery-powered node includes a primary cell, a secondary cell, and a battery controller. The battery controller includes a constant current source that draws power from the primary cell to charge the secondary cell. The battery-powered node draws power from the secondary cell across a wide range of current levels. When the voltage of the secondary cell drops beneath a minimum voltage level, the constant current source charges the secondary cell and a charging signal is sent to the battery-powered node. When the voltage of the second cell exceeds a maximum voltage level, the constant current source stops charging the secondary cell and the charging signal is terminated. The battery-powered node records the amount of time the charging signal is active and then determines a battery depletion level based on that amount of time. Battery replacement may then be efficiently scheduled based on the depletion level.