Abstract:
Provided are an electrolyte for a dye-sensitized solar cell and a dye-sensitized solar cell including the same. The electrolyte for a dye-sensitized solar cell includes an organic solvent, a metal anion compound, and a quaternary ammonium salt compound (R4N+X−). X− and Y− are multi-redox systems which are in chemical equilibrium.
Abstract:
Provided is a power conversion system. The system includes a DC bus line including a common terminal, a power generation device configured to provide DC power to the common terminal, a first inverter configured to convert a first input power provided from the common terminal into a first AC power and output the first AC power, and a second inverter configured to convert a second input power provided from the common terminal into a second AC power in response to the first input power being greater than a first threshold power while the first inverter operates and output the second AC power.
Abstract:
Provided are a dye-sensitized solar cell and a method of manufacturing the same. The dye-sensitized solar cell includes a lower substrate, an upper substrate opposite to the lower substrate, an electrolyte between the upper substrate and the lower substrate, a sealing member surrounding edges of the upper substrate and the lower substrate and including a plurality of openings for providing a space between the upper substrate and the lower substrate with the electrolyte, and a plurality of plugs inserted in the openings.
Abstract:
Provided is a method of fabricating metal oxide. The method includes mixing a metal precursor material, a base material, and distilled water with each other to fabricate a preparation solution, adding an anionic surfactant into the preparation solution to forming a precursor solution, forming metal oxide nanoparticles in the precursor solution, and fabricating a metal oxide sheet by coupling the metal oxide nanoparticles to each other. The polycrystalline metal oxide may have a sheet or nanowire shape.
Abstract:
Provided is a sensing device having a multi beam antenna array. The sensing device includes an antenna array including a plurality of antennas, a plurality of low noise amplifiers respectively connected to the antennas to amplify radio frequency signals received from the respective antennas, a delay line box including a plurality of delay lines, each delay line delaying the signals amplified by the low noise amplifiers for a predetermined time, and a detector detecting the output signals of the delay ling box.
Abstract:
Provided are a gel electrolyte and a dye-sensitized solar cell with the same. The dye-sensitized solar cell may include a first electrode, a second electrode, and an electrolyte interposed between the first and second electrodes. The electrolyte may include a solvent, a hole conductor having an ester functional group, and a polymer material transforming the solvent from a liquid state to a gel state.
Abstract:
Provided is an inverter system capable of more economically and efficiently performing photovoltaic power generation by automatically switching an integrated operation and an independent operation of inverters according to voltage values and current values of photovoltaic panels without a separate communication function. The inverter system for photovoltaic power generation according to an exemplary embodiment of the present disclosure is an inverter system which changes direct current power output from a first photovoltaic panel and a second photovoltaic panel to alternating current power and includes: a first inverter and a second inverter, in which all of the outputs of the first and second photovoltaic panels are applied to the first inverter, or the output of the first photovoltaic panel is applied to the first inverter, and the output of the second photovoltaic panel is applied to the second inverter according to output values of the first and second photovoltaic panels.