System comprising an element for capturing and transforming external light into electricity based on the use of doped graphene; an electricity management control board to which are connected: a battery and a generator for supplying the current needed by a hydrolysis machine connected to the generator; a hydrogen tank connected to the hydrolysis machine; an oxygen tank connected to the hydrolysis machine, for use in space-based systems, which can be vented through an exhaust; a fuel cell or hydrogen cell connected to the hydrogen and oxygen tanks and a water deposit connected on one side to the hydrogen cell from which it receives the water generated and on the other to the hydrolysis machine to which it supplies the water. A self-sufficient or autonomous generation system is achieved.

The present disclosure relates generally to new forms of portable energy generation devices and methods. The devices are designed to covert formic acid into released hydrogen, alleviating the need for a hydrogen tank as a hydrogen source for fuel cell power.

A fuel cell system to be installed on a vehicle includes a fuel cell, a secondary battery, an SOC detector that detects a temperature and a state of charge of the secondary battery, an accelerator position detector that detects an accelerator depressed amount, and a controller that controls power to be generated by the fuel cell. The controller includes: a required generation power calculator that calculates required generation power based on the accelerator depressed amount and the temperature and the state of charge of the secondary battery; and a maximum required power calculator that calculates maximum required power based on the accelerator depressed amount and the temperature and the state of charge of the secondary battery. The maximum required power includes allowable charging power correlated with a maximum value of charging power. If determining that a condition for rapid reduction in consumption power of a motor is satisfied, the controller sets the allowable charging power to zero and calculates the maximum required power. If the required generation power exceeds the maximum required power, the controller makes the fuel cell generate power responsive to the maximum required power.

A method and apparatus for maintaining or establishing a readiness state in a fuel cell backup system of a nuclear reactor system are disclosed. A method includes maintaining a readiness state of a fuel cell system within a set of readiness parameters, the readiness parameters a function of a characteristic of the nuclear reactor system. Another method includes monitoring a nuclear reactor system characteristic and, responsive to the monitored nuclear reactor system characteristic, establishing a readiness state of a fuel cell system. An apparatus includes a fuel cell system associated with a nuclear reactor system and a fuel cell control system configured to maintain a readiness state of the fuel cell system. Another apparatus includes a fuel cell system associated with a nuclear reactor system, a nuclear reactor characteristic monitoring system, and a fuel cell control system configured to establish a readiness state of the fuel cell system.

An illustrative example electrical power generating system includes a fuel cell power plant that is configured to generate electrical power. The fuel cell power plant includes a cell stack assembly including a plurality of fuel cells that are configured to generate electrical power based on a chemical reaction. A coolant network is configured to carry fluid toward the cell stack assembly where fluid in the coolant network can become heated by absorbing heat from the fuel cell power plant. The coolant network includes a thermal hydraulic engine that is configured to generate electrical power. The coolant network is configured to carry the heated fluid to the thermal hydraulic engine where the heated fluid can be used for generating electrical power. The coolant network is configured to carry a reduced temperature fluid from the thermal hydraulic engine back toward the cell stack assembly.

Provided is a flight path calculating method for high altitude long endurance of an unmanned aerial vehicle based on regenerative fuel cells and solar cells according to an exemplary embodiment of the present invention may include a modeling step, a simulation step, and an analyzing step, and may be configured in a program form executed by an arithmetic processing means including a computer. a flight path searching method and a flight path searching apparatus for performing continuous flight path re-searching on the basis of information measured in real time during a flight of the unmanned aerial vehicle in the stratosphere to change a flight path so that the unmanned aerial vehicle may permanently perform long endurance in the stratosphere is provided.

A fuel cell assembly comprising at least two fuel cells, each fuel cell in the fuel cell assembly having an anode and a cathode to provide for electrical interconnections with other fuel cells of the assembly or assembly output terminals wherein the electrical interconnections between a plurality of the fuel cells of the fuel cell assembly are configurable such that said plurality of fuel cells or a subset thereof are connectable without changing the spatial relationship between the fuel cells in at least two of; i) in series with one another; ii) in parallel with one another; or iii) disconnected from the assembly.

A power generation system includes a fuel cell including an anode that generates a tail gas. The system also includes a hydrocarbon fuel reforming system that mixes a hydrocarbon fuel with the fuel cell tail gas and to convert the hydrocarbon fuel and fuel tail gas into a reformed fuel stream including CO.sub.2. The reforming system further splits the reformed fuel stream into a first portion and a second portion. The system further includes a CO.sub.2 removal system coupled in flow communication with the reforming system. The system also includes a first reformed fuel path coupled to the reforming system. The first path channels the first portion of the reformed fuel stream to an anode inlet. The system further includes a second reformed fuel path coupled to the reforming system. The second path channels the second portion of the reformed fuel stream to the CO.sub.2 removal system.

The invention relates to a method (100) for converting and/or storing electric energy E obtained from mechanical energy M in a vehicle comprising a motor (1), in particular a motor vehicle. In the method, a) mechanical energy M obtained when braking and/or during an overrun operation of the vehicle is converted into electric energy E in a first step using a generator (2), b) the electric energy is stored in an intermediate energy store (3) in a second step, c) the stored electric energy E is discharged to an electrolysis module (4) in a third step, d) the module converts the electric energy E into chemical energy C in a fourth step at least by splitting water (H.sub.2O) into hydrogen (H.sub.2) and oxygen (O2), and e) the chemical energy is conducted into a gas tank (5) of the vehicle for temporary storage and/or is supplied to the motor (1) and/or a fuel cell (10) of the vehicle in a fifth step.

Provided is a renewable energy power generation system (10) having a renewable energy power generating apparatus (12) arranged to generate electric power; and a hydrogen power generation module (20) having a separation unit (22) adapted to separate water into hydrogen and oxygen, and a fuel cell unit (28) adapted to receive air or oxygen, and hydrogen from said separation unit or from a hydrogen storage; the fuel cell unit being arranged to produce electric power in the presence of hydrogen and oxygen; wherein the hydrogen power generation module being adapted to receive electric power from the at least one renewable energy power generating apparatus at least prior to production of electric power by the fuel cell unit.