Abstract: Disclosed are a solar energy-salinity gradient energy synergistic power generation system and method by using concentrating beam splitting and waste heat recovery. A concentrating beam splitting photovoltaic power generation unit includes a light mirror, a liquid splitter, a bifacial solar cell, and a waste heat collecting tube; a waste heat recovery unit includes a multi-stage phase-change heat reservoir and a heat exchanger; a salinity gradient power generation unit includes first and second chambers, an ion-selective membrane, first and second electrodes; an electricity storage and control unit includes a battery pack and an inverter; and a water supply unit includes a seawater tank and a river water tank.

Abstract: Disclosed are a solar energy-salinity gradient energy synergistic power generation system and method by using concentrating beam splitting and waste heat recovery. A concentrating beam splitting photovoltaic power generation unit includes a light mirror, a liquid splitter, a bifacial solar cell, and a waste heat collecting tube; a waste heat recovery unit includes a multi-stage phase-change heat reservoir and a heat exchanger; a salinity gradient power generation unit includes first and second chambers, an ion-selective membrane, first and second electrodes; an electricity storage and control unit includes a battery pack and an inverter; and a water supply unit includes a seawater tank and a river water tank.

Abstract: Disclosed are a hybrid system and method of waste heat utilization-based photovoltaic power generation and seawater desalination, wherein a photovoltaic power generation unit includes a linear Fresnel lens, a beam-splitting cooling tube, a solar cell, and a heat collecting tube; a seawater supply unit includes a seawater storage tank and a pre-treatment storage tank; a heat storage and temperature control unit includes a phase-change heat reservoir and heat exchangers; an electrodialysis unit includes poles, an ion-selective membrane, a desalination chamber, a concentration chamber, pole chambers, a concentrated liquid storage tank and a desalinated liquid storage tank; and an electricity storage and control unit includes a battery pack and a circuit controller. Incident sunlight achieves photovoltaic power generation by a light condensation followed by beam splitting mode; nanoparticle doped seawater absorbs long-wavelength light and transmits short-wavelength light.

Abstract: A system and method for treating flue gas of a boiler based on solar energy are provided, wherein a heat pump is connected with a heat collector via first and second valves, a carbon dioxide electrolysis chamber is connected with a flue gas pretreatment chamber and a power distribution control module for electrolyzing and reducing carbon dioxide, a gas phase separation chamber is connected with a gas phase outlet to separate a mixture, and discharge the separated gas phase products; a Fischer-Tropsch reaction chamber is connected with the gas phase separation chamber to pass the separated carbon monoxide and hydrogen into a flowing reaction cell, a liquid phase product separation chamber is connected with a liquid phase outlet to separate the liquid phase hydrocarbon fuel products, and separate and supplement electrolyte; an electrolyte cooling circulation chamber is connected with the liquid phase product separation chamber.

Abstract: A cyclical salinity-gradient power generating system based on phase change materials and solar photothermal conversion is provided. The system comprises a solution supplying device, a power generating device and a power output device. The solution supplying device provides seawater with high and low concentration as salinity-gradient energy source of the power generating device; the power generating device implements day-and-night cyclical salinity-gradient power generation; the power output device stores electricity, part of which is used as providing power for the pumps inside the system and part of which is used as system output. A cyclical salinity-gradient power generating method based on phase change materials and solar photothermal conversion is also provided.

Abstract: A system and method for treating flue gas of a boiler based on solar energy are provided, wherein a heat pump is connected with a heat collector via first and second valves, a carbon dioxide electrolysis chamber is connected with a flue gas pretreatment chamber and a power distribution control module for electrolyzing and reducing carbon dioxide, a gas phase separation chamber is connected with a gas phase outlet to separate a mixture, and discharge the separated gas phase products; a Fischer-Tropsch reaction chamber is connected with the gas phase separation chamber to pass the separated carbon monoxide and hydrogen into a flowing reaction cell, a liquid phase product separation chamber is connected with a liquid phase outlet to separate the liquid phase hydrocarbon fuel products, and separate and supplement electrolyte; an electrolyte cooling circulation chamber is connected with the liquid phase product separation chamber.

Abstract: Solar electroosmosis power generation devices and methods thereof are disclosed. In some embodiments, a first electrode in transparent inorganic electrolyte solution is provided in a first temperature chamber including a first light-transmitting wall. A second electrode in transparent inorganic electrolyte solution is provided in a second temperature chamber including a second light-tight wall. The first and second temperature chambers are connected by a cation nano-film with nanoparticles on its surface close to the first temperature chamber. An external circuit connects the first and second electrodes. When the nano-film is irradiated through the first wall by sunlight, the temperature of the first temperature chamber is higher than that of the second temperature chamber. In some embodiments, the solar electroosmosis power generation device improves solar energy utilization efficiency, and can be used in the field of solar light-heat-electric conversion.

Abstract: The present disclosure discloses a system and a method for solar-driven photothermal seawater desalination and ion electroosmosis power generation. In the system, a first reservoir is provided with a first electrode immersed in seawater; a second reservoir is connected to the first reservoir via a cation selective nanofilm; a third reservoir is provided with a second electrode immersed in seawater, and the third reservoir is connected to the second reservoir via an anion selective nanofilm; and an adjustable sun-visor shields the cation selective nanofilm to form a first preset part of solar illumination and shields the anion selective nanofilm to form a second preset part of the solar illumination. Therefore, the cation selective nanofilm and the anion selective nanofilm are each under an asymmetric illumination to generate a temperature gradient.

Abstract: In a solar water taking and power generating device, a concentrating-cooling plate encloses the opening, and at least one freshwater collecting channel is formed between the seawater tank and the concentrating-cooling plate; a cation exchange membrane includes a semiconductor film body, nanoparticles, and a capillary water-transporting conduit, wherein the semiconductor film body is provided with cation-selective channels; sunlight illuminates the cation exchange membrane and the nanoparticles through the concentrating-cooling plate, so that the first temperature, the first seawater concentration and the first electric potential in the first side are higher than those in the second side, respectively. The evaporated seawater enters the freshwater tank after condensed, and the cations transfer from the first side to the second side to form an ionic current.

Abstract: Solar electroosmosis power generation devices and methods thereof are disclosed. In some embodiments, a first electrode in transparent inorganic electrolyte solution is provided in a first temperature chamber including a first light-transmitting wall. A second electrode in transparent inorganic electrolyte solution is provided in a second temperature chamber including a second light-tight wall. The first and second temperature chambers are connected by a cation nano-film with nanoparticles on its surface close to the first temperature chamber. An external circuit connects the first and second electrodes. When the nano-film is irradiated through the first wall by sunlight, the temperature of the first temperature chamber is higher than that of the second temperature chamber. In some embodiments, the solar electroosmosis power generation device improves solar energy utilization efficiency, and can be used in the field of solar light-heat-electric conversion.

Abstract: In a solar water taking and power generating device, a concentrating-cooling plate encloses the opening, and at least one freshwater collecting channel is formed between the seawater tank and the concentrating-cooling plate; a cation exchange membrane includes a semiconductor film body, nanoparticles, and a capillary water-transporting conduit, wherein the semiconductor film body is provided with cation-selective channels; sunlight illuminates the cation exchange membrane and the nanoparticles through the concentrating-cooling plate, so that the first temperature, the first seawater concentration and the first electric potential in the first side are higher than those in the second side, respectively. The evaporated seawater enters the freshwater tank after condensed, and the cations transfer from the first side to the second side to form an ionic current.

Abstract: A system and method for seawater desalination based on solar energy. In the system, the second reaction tank is connected with the first reaction tank via a cation-selective nano-film and includes the same volume and concentration of seawater as the first reaction tank. The pump is connected the second reaction tank with the third reaction tank to pump the seawater solution after the removal of cationic salts from the second tank into the third tank. The fourth reaction tank is connected to the third reaction tank via a anion-selective nano-film. The third and fourth reaction tanks are connected through a second external channel and include the same volume and concentration of seawater, and the second external channel is provided with a third valve to control the flow of liquid. The fourth reaction tank is provided with a liquid output channel.

Abstract: Analysis method of fuel cell input and output characteristics, which utilizes ? theorem and principle of similarity to carry out dimensional analysis and equation analysis for model parameters and governing equations respectively for a given proton exchange membrane fuel cell theoretical model, includes the steps: determine model parameters and dimensions of each parameter, and filter out basic parameters for dimensional analysis; use ? theorem to perform dimensional analysis to obtain dimensionless numbers; use principle of similarity to analyze model governing equations to obtain dimensionless numbers; compare the two sets of dimensionless numbers to determine the dimensionless number of the fuel cell model under study; define dimensionless voltage and dimensionless current to serve as the ordinate and abscissa of the dimensionless polarization curve, then any point on the dimensionless polarization curve represents a set of similar working conditions and the number and time of experiment or simulation can