Abstract: A method for producing a porous structure electrode with gas permeability and liquid impermeability, includes the following steps: Step 1: mixing a catalytic material having hydrophilicity, a carbon nanotube material, a material with a hydrophilic group, and a carbon black material to form a first slurry, wherein the carbon nanotube material has a specific surface area equal to or greater than the carbon black material; Step 2: mixing the first slurry with an emulsified material to form a second slurry; Step 3: obtaining a film material through a film forming process; Step 4: heating the film material to a first temperature to remove solvent in the film material; Step 5: Repeating steps 3 to 4; and Step 6: heating the film material to a second temperature to remove liquid in the film material, thereby leaving pores in the film material, and allowing the film material to solidify.

Abstract: The present invention provides a manufacturing method of an electrode. The method includes steps of: mixing a first catalyst with a first average particle size, a second catalyst with a second average particle size, a first conductive agent, a first adhesive, and a solvent to form a first mixture, wherein a weight ratio of the first catalyst to the second catalyst is 5:1 to 1:5; stirring the first mixture to obtain a second mixture; rolling the second mixture into a catalytic layer; and pressing the catalytic layer with a conductive current collector and a gas diffusion film to obtain the electrode.

Abstract: A device for obtaining a newly generated oxygen from an atmospheric environment is disclosed. The device includes a container having an inlet and an outlet, a cathode accommodated in the container and being in contact with an environmental oxygen in the atmospheric environment, an anode accommodated in the container and disposed at a position opposite to the cathode, an electrolyte accommodated in the container and immersing therein the cathode and the anode, a moisture removal unit disposed at the outlet having an outlet position, and a gas permeable element disposed at the outlet, wherein the cathode is disposed at the inlet, and the gas permeable element is disposed at a position closer to the outlet position than the moisture removal unit.

Abstract: The invention provides a system for evaluating food flavors based on a gas, including a multi-gas sensing module and an odor information processing module. The sensing module includes a colorimetric gas sensing chip for reacting with odor molecules emitted by the food to be evaluated to form a coloring reaction, and the sensing module generates a color image respectively corresponding to coloring reaction according to the coloring reaction. The processing module is communicatively connected with the sensing module and includes an image acquisition unit for converting the color image into an odor information, a database unit including a plurality of identification information, and an arithmetic unit perform a calculation to form a result for evaluating the food flavors based on the plurality of identification information and the color image. The user can judge the actual condition of foods according to the result for evaluating the food flavors.

Abstract: The invention provides a system for managing food information based on an odor, which comprises a gas sensing module, a processing module, a blockchain module and a display module. The gas sensing module includes a colorimetric gas sensing chip reacting with odor molecules emitted by the food to form a coloring reaction and present a color image corresponding to the food. The processing module includes a conversion unit for converting the color image into identification information corresponding to the food. The blockchain module includes a plurality of nodes, and the plurality of nodes store identification information corresponding to the food. The display module includes an identification label corresponding to the identification information. Therefore, when the invention is applied to the blockchain technology, it can remove the doubt that the data on the chain can be falsified before the data is uploaded.

Abstract: The invention provides a system for evaluating food flavors based on a gas, including a multi-gas sensing module and an odor information processing module. The sensing module includes a colorimetric gas sensing chip for reacting with odor molecules emitted by the food to be evaluated to form a coloring reaction, and the sensing module generates a color image respectively corresponding to coloring reaction according to the coloring reaction. The processing module is communicatively connected with the sensing module and includes an image acquisition unit for converting the color image into an odor information, a database unit including a plurality of identification information, and an arithmetic unit perform a calculation to form a result for evaluating the food flavors based on the plurality of identification information and the color image. The user can judge the actual condition of foods according to the result for evaluating the food flavors.

Abstract: The present invention relates to a colorimetric sensor chip includes a chemical reaction layer and a coloring reaction layer. The chemical reaction layer includes reaction zones reacting with a gas to be tested to produce a chemical change. The coloring reaction layer includes a coloring side and a reaction side in contact with the reaction zone which are opposite to each other. The coloring reaction layer further includes a coloring indicator to produce a coloring reaction corresponding to the chemical change of the reaction sides, thereby completing a light, thin and highly integrated gas sensor chip directly attaching or placing on an object to be sensed for real-time sensing.

Abstract: A gas-sensing tattoo sticker includes an adhesive layer, a coloring reaction layer, and a chemical reaction layer, disposed by stacking. The chemical reaction layer includes reaction zones capable of reacting with a gas to be tested to produce a chemical change; the coloring reaction layer includes coloring sides and correspondingly disposed reaction sides in contact with the reaction zones, and includes a coloring indicator to produce a coloring reaction corresponding to the chemical change of the reaction sides; to and the adhesive layer is provided on a side of the coloring reaction layer or the chemical reaction layer to provide adhesion, thereby completing the gas-sensing tattoo sticker, changes of gas in the surrounding environment can be sensed when air inlet sides are outwardly adhered on an object; and the smell of an object itself can be sensed when the air inlet sides are inwardly adhered on the object.

Abstract: The invention provides a system for managing food information based on an odor, which comprises a gas sensing module, a processing module, a blockchain module and a display module. The gas sensing module includes a colorimetric gas sensing chip reacting with odor molecules emitted by the food to form a coloring reaction and present a color image corresponding to the food. The processing module includes a conversion unit for converting the color image into identification information corresponding to the food. The blockchain module includes a plurality of nodes, and the plurality of nodes store identification information corresponding to the food. The display module includes an identification label corresponding to the identification information. Therefore, when the invention is applied to the blockchain technology, it can remove the doubt that the data on the chain can be falsified before the data is uploaded.

Abstract: A manufacturing method of nitrogenous carbon electrode and flow cell provided therewith is disclosed. Firstly, a preformed body is performed by mixing a carbon material, a polymeric material and a modifier. A formation process is performed on the preformed body to obtain a formed body. A high sintering is then performed, such that a part of the polymeric material is decomposed and then removed, while the other part of polymeric material is cooperated with the carbon material to form a skeletal structure including a plurality of pores, and that the nitrogen in the modifier is adhered to the skeletal structure to form a nitrogenous functional group, and then form a nitrogenous carbon electrode. The nitrogenous carbon electrode may be applied to the flow cell. Thereby, electric conductivity in a vertical direction may be enhanced, so as to reduce internal resistance of the flow cell and increase discharge power.

Abstract: A stepwise-stacked seawater battery assembly comprises a first battery chamber, a second battery chamber, a seawater electrolytic liquid, and an electric-conduction set. The first battery chamber includes a first accommodation room and a first electrode group. The second battery chamber is disposed above the first battery chamber and includes an opening, a second accommodation room interconnecting with the opening, and a second electrode group disposed in the second accommodation room. The seawater electrolytic liquid includes a first electrolytic liquid received by the first accommodation room and a second electrolytic liquid received by the second accommodation room. The electric-conduction set electrically connects the first electrode group and the second electrode group. The structural design that the first battery chamber receives the first electrode group and the second battery chamber receives the second electrode group can simplify the structure of the seawater battery assembly.

Abstract: A nitrogen-containing porous carbon material, and a capacitor and a manufacturing method thereof are provided. A carbon material, a macromolecular material and a modified material are mixed into a preform. The modified material includes nitrogen. A formation process is performed on the preform to obtain a formed object. High-temperature sintering is performed on the formed object to decompose and remove a part of the macromolecular material, while the other part of the macromolecular material and the carbon material together form a backbone structure including a plurality of pores. As such, the nitrogen becomes attached to the backbone structure to form a hydrogen-containing functional group to further obtain the nitrogen-containing porous carbon material. The nitrogen-containing porous carbon material may form a first nitrogen-containing porous carbon plate and a second nitrogen-containing porous carbon plate, which are placed in seawater to form a storage capacitor for seawater.

Abstract: A manufacturing method of nitrogenous carbon electrode and flow cell provided therewith is disclosed. Firstly, a preformed body is performed by mixing a carbon material, a polymeric material and a modifier. A formation process is performed on the preformed body to obtain a formed body. A high sintering is then performed, such that a part of the polymeric material is decomposed and then removed, while the other part of polymeric material is cooperated with the carbon material to form a skeletal structure including a plurality of pores, and that the nitrogen in the modifier is adhered to the skeletal structure to form a nitrogenous functional group, and then form a nitrogenous carbon electrode. The nitrogenous carbon electrode may be applied to the flow cell. Thereby, electric conductivity in a vertical direction may be enhanced, so as to reduce internal resistance of the flow cell and increase discharge power.

Abstract: A seawater power generation system is installed beside an ocean and comprises a seawater processing apparatus, a precipitation apparatus, a separation apparatus and a power generation apparatus. The seawater processing apparatus obtains seawater from the ocean and concentrates the seawater into concentrated seawater. The precipitation apparatus heats the concentrated seawater to form a precipitate of a metal oxide. The separation apparatus heats the metal oxide and reduces the metal oxide into a metal. The power generation apparatus uses the metal as a first electrode and includes a second electrode and an electrolyte contacting the first electrode and the second electrode. Thereby, the seawater is continuously fabricated into the first electrode. The electrolyte respectively reacts with the first electrode and the second electrode in an electrochemical reaction fashion to form a potential difference between the first and second electrode and generate stable electric power.

Abstract: A method for fabricating a metal electrode from seawater and generating electric power with the metal electrode comprises steps: using a seawater treatment apparatus to heat seawater to a first temperature of 100-120° C. to obtain concentrated seawater; guiding the concentrated seawater to a precipitation apparatus, and adding a precipitation agent to the concentrated seawater to obtain a first crystalline material comprising magnesium hydroxide; heating the first crystalline material to a second temperature of 600-1100° C. to obtain a second crystalline material comprising magnesium oxide; transporting the second crystalline material to a separation apparatus, adding a reducing agent to the second crystalline material, heating the second crystalline material to a third temperature of 1200-2400° C.

Abstract: A stepwise-stacked seawater battery assembly comprises a first battery chamber, a second battery chamber, a seawater electrolytic liquid, and an electric-conduction set. The first battery chamber includes a first accommodation room and a first electrode group. The second battery chamber is disposed above the first battery chamber and includes an opening, a second accommodation room interconnecting with the opening, and a second electrode group disposed in the second accommodation room. The seawater electrolytic liquid includes a first electrolytic liquid received by the first accommodation room and a second electrolytic liquid received by the second accommodation room. The electric-conduction set electrically connects the first electrode group and the second electrode group. The structural design that the first battery chamber receives the first electrode group and the second battery chamber receives the second electrode group can simplify the structure of the seawater battery assembly.

Abstract: A method for fabricating a metal electrode from seawater and generating electric power with the metal electrode comprises steps: using a seawater treatment apparatus to heat seawater to a first temperature of 100-120° C. to obtain concentrated seawater; guiding the concentrated seawater to a precipitation apparatus, and adding a precipitation agent to the concentrated seawater to obtain a first crystalline material comprising magnesium hydroxide; heating the first crystalline material to a second temperature of 600-1100° C. to obtain a second crystalline material comprising magnesium oxide; transporting the second crystalline material to a separation apparatus, adding a reducing agent to the second crystalline material, heating the second crystalline material to a third temperature of 1200-2400° C.

Abstract: A seawater power generation system is installed beside an ocean and comprises a seawater processing apparatus, a precipitation apparatus, a separation apparatus and a power generation apparatus. The seawater processing apparatus obtains seawater from the ocean and concentrates the seawater into concentrated seawater. The precipitation apparatus heats the concentrated seawater to form a precipitate of a metal oxide. The separation apparatus heats the metal oxide and reduces the metal oxide into a metal. The power generation apparatus uses the metal as a first electrode and includes a second electrode and an electrolyte contacting the first electrode and the second electrode. Thereby, the seawater is continuously fabricated into the first electrode. The electrolyte respectively reacts with the first electrode and the second electrode in an electrochemical reaction fashion to form a potential difference between the first and second electrode and generate stable electric power.