10 results about "Fuel conversion" patented technology

The application discloses a CO2 capture method and system based on fuel staged conversion coupled with chemical looping combustion, and the method comprises the following steps: flue gas is introduced into a carbonation tower filled with metal oxygen carriers MeO and adsorbents A, the adsorbents A adsorb CO2 in the flue gas, and then the solid in the tower is transported to a calciner; the adsorbents A after adsorption are decomposed into the adsorbents A and CO2 in the calciner, the MeO in the calciner reacts with the substances transported in a fuel pre-conversion reactor to generate a reduced metal oxygen carrier; the regenerated adsorbents A and the reduced metal oxygen carrier in the calciner are transported to an air reactor to generate MeO and regenerated adsorbents A which are returned to the carbonation tower; fuel and reactants are introduced into the fuel pre-conversion reactor, part of the fuel is converted, and the products are sent into the calciner. Through fuel partial conversion and chemical looping combustion, the application realizes grade matching of the fuel conversion and the adsorbent regeneration process, avoids air separation energy consumption of separated pure oxygen, and effectively reduces CO2 capture energy consumption after medium-high temperature adsorption combustion.

The present disclosure relates to a control method of a range extender system and a working machine. The range extender system comprises an engine and a plurality of generators connected in series. The control method comprises: obtaining a total vehicle demand power, determining a combination of a plurality of speed-demand torques according to the total vehicle demand power to obtain a first set; screening the first set according to specific fuel consumption of the engine to obtain a second set; for the second set, obtaining a first target speed and a first target distribution coefficient under the total vehicle demand power by optimization calculation with the target of maximizing fuel conversion rate; controlling the engine to operate according to the first target speed, obtaining a plurality of first target distribution torques based on the first target distribution coefficient, and controlling the plurality of generators to work according to the plurality of first target distribution torques. The control strategy with the maximum fuel conversion rate can be obtained by optimization calculation, so that the operation state of the range extender system always has optimal fuel economy, and the power generation efficiency and fuel economy of the range extender system are effectively improved.

An energy conversion arrangement, an energy system and an aircraft are provided for an aircraft, the aircraft (1) comprising an energy conversion arrangement (10) and / or an energy system (2), wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system (70), for converting at least one fuel into electrical and / or mechanical energy, and at least one exhaust gas outlet (13) for discharging exhaust gas (E) produced by the fuel conversion in the fuel conversion device (11), and at least one mixing assembly (42) configured to merge a flow of further exhaust gas (G) of the fuel conversion device (11) with at least one flow of exhaust gas (E) from the at least one exhaust gas outlet (13).

An energy conversion arrangement for an aircraft, an energy system, a propulsion unit, and an aircraft comprising an energy conversion arrangement and / or an energy system are provided. The energy conversion arrangement includes at least one exhaust outlet for letting out exhaust produced by a fuel conversion device, in particular a fuel cell system, for converting at least one fuel to electrical and / or mechanical energy in the fuel conversion device; and at least one exhaust assembly configured to admix a stream of the exhaust from the at least one exhaust outlet with ambient air from the ambient surroundings in at least one mixing zone to promote a growth of water droplets through at least partly condensing water vapor contained in the exhaust in the mixing zone.

This invention provides an effective method for generating electricity through a process that involves dissolving biomass to produce solid fuel. [Solution] A power generation method using a power generation system having a dissolution reactor, a fuel converter, a carbon dioxide separator, and a power generation cell, comprising: a biomass dissolution step, in which biomass is reacted with a dissolution reaction solution containing vanadium ions in the dissolution reactor to obtain a fuel liquid which is a solution in which cellulose and hemicellulose contained in the biomass are dissolved in the dissolution reaction solution; a fuel conversion step, in which the fuel liquid is brought into contact with a catalyst contained in the fuel converter to oxidize the sugar components contained in the fuel liquid and obtain carbon dioxide and a converted fuel liquid; an anode supply liquid acquisition step, in which the carbon dioxide separator recovers the carbon dioxide contained in the converted fuel liquid and obtains a converted fuel liquid with a reduced carbon dioxide content as an anode supply liquid; and a power generation step, in which the anode supply liquid is supplied to the anode of a power generation cell to generate electricity.

The present invention relates to the technical field of internal combustion engine fuels, and provides a multi-fuel internal combustion engine using solid-state hydrogen storage, methanol, hydrogen, gasoline and diesel, and natural gas. The multi-fuel internal combustion engine comprises: a multi-fuel internal combustion engine body; a gas storage tank, in communication with an gas inlet pipe of the multi-fuel internal combustion engine body, wherein a flow regulating valve is mounted on the gas inlet pipe; a hydrogen supply assembly and a natural gas supply assembly, each connected to the gas storage tank; a methanol reformer, wherein a methanol reformer jacket is provided on an outer periphery of the methanol reformer, and the methanol reformer is connected to a methanol and gasoline-diesel supply assembly; and a solid-state hydrogen storage tank, wherein a solid-state hydrogen storage tank jacket is provided on an outer periphery of the solid-state hydrogen storage tank, a hydrogen injection pipe and a hydrogen discharge pipe are connected to the solid-state hydrogen storage tank, and the hydrogen discharge pipe is configured to communicate with the gas storage tank. The present invention enables flexible supply of one or more fuels to the internal combustion engine, and achieves an improved fuel conversion rate during the conversion process.

An energy conversion arrangement for an aircraft, an energy system and an aircraft comprising an energy conversion arrangement and / or an energy system are provided. The energy conversion arrangement includes a fuel conversion device, in particular a fuel cell system, configured to convert at least one fuel to electrical and / or mechanical energy, and at least one an exhaust outlet for letting out exhaust produced in the fuel conversion device by the fuel conversion, and at least one mixing assembly configured to merge a stream of further exhaust of the fuel conversion device with at least one stream of the exhaust from the at least one exhaust outlet.

An energy conversion arrangement, an energy system, a propulsion unit and an aircraft are provided for an aircraft, the aircraft (1) comprising an energy conversion arrangement (10) and / or an energy system (2), wherein the energy conversion arrangement (10) comprises at least one exhaust outlet (13) for discharging exhaust gas (E) generated by a fuel conversion device (11), in particular a fuel cell system (70), for converting at least one fuel into electrical and / or mechanical energy in the fuel conversion device (11), and at least one exhaust assembly (400) configured to mix a flow of the exhaust gas (E) from the at least one exhaust outlet (13) with ambient air (A) from the surrounding environment (7) in at least one mixing zone (406) to facilitate the growth of water droplets by at least partially condensing water vapor contained in the exhaust gas (E) in the mixing zone (406).

This invention relates to a solid oxide battery zone testing system and method with integrated gas composition monitoring. The test fixture includes an air electrode side assembly and a fuel electrode side assembly, each containing a metal base plate. Each metal base plate has a gas flow channel inside; the gas flow channel is connected to the corresponding porous electrode via an electrode current collector. An integrated detection array corresponds to each zone of the battery and is used to collect voltage and temperature signals from each zone and extract gas samples. A gas control and analysis system is connected to the detection array via piping, and a data recording and analysis unit is communicatively connected to the gas control and analysis system and the detection array. This invention enables simultaneous acquisition and analysis of voltage, temperature, and reaction gas composition in each zone of the battery, supplementing the monitoring dimensions. It can accurately quantify fuel conversion efficiency, identify battery faults, capture early degradation signals, improve the timeliness and accuracy of fault diagnosis, and provide precise gas composition boundary conditions.

This invention discloses a method, apparatus, electronic device, and storage medium for analyzing test data of solid oxide fuel cells, belonging to the field of battery data analysis technology. The method includes: acquiring the voltage data sequence and corresponding current data sequence of the solid oxide fuel cell; differentiating both to obtain a differential resistance sequence and calculating its moving standard deviation sequence, identifying the segment with the smallest standard deviation as a stable characteristic region; determining the ohmic impedance based on the average differential resistance within this region; further aligning the voltage and current data with preset voltage parameters, extracting specific voltage and current values, and calculating the fuel utilization rate in conjunction with fuel conversion parameters; finally, generating battery performance analysis results based on the ohmic impedance, specific voltage and current values, and fuel utilization rate. Therefore, by implementing this invention, the problem of existing technologies struggling to achieve objective and unified automated analysis of comprehensive battery performance can be solved.