Benchtop Spray Coating System For Photoresist Coating We have a benchtop spray coating system for photoresist coating on 300mm x 300mm area. We have much experience in spraying photoresist, the substrate can be silicon wafers, glass, ceramic, and metal and have made a great amount of trial. There is a nozzle specially designed for spraying the substrate with deep trench or cavity pattern. I attached the picture and [...]
Anti-reflective Coatings Anti-reflective Coatings - Ultrasonic Atomization - Cheersonic According to our experience, the ultrasonic spray system is sucessfully applying anti-fingerprint, hard coat, Anti-glare, Anti-fog, UV Blocker sunglass lenses with highly accurate repeatability and uniformity. We have much experience not only in spraying flat surface, but also three-dimensional product. Our engineers have much experience in designing mechanical structures. For example, in the medical fields, the stent, balloons, blood [...]
Thin Film Fuel Cell Catalyst Coating Thin Film Fuel Cell Catalyst Coating - Ultrasonic Coating - Cheersonic Fuel cell is an open thermodynamic technology. it is one of best efficient among the non-conventional sources which generate electricity and heat with the help of chemical reactions between oxygen and hydrogen and also it has only water in byproduct. More to basic the fuel of fuel cell is hydrogen fuel [...]
Direct Methanol Fuel Cells Direct Methanol Fuel Cells - Coated Membranes - Cheersonic Direct methanol fuel cells (DMFCs) have recently received lots of attention due to their high-energy density and their low emission of pollutants. Naion, a commercially proton-conducting polymer membrane has been used in DMFCs, because this perfluorinated ionomer membrane has excellent chemical, mechanical and electrochemical properties as well as high proton conductivity at ambient temperature and [...]
Membrane Electrode Assembly Membrane Electrode Assembly - Fuel Cell Catalyst Coatings - Cheersonic Membrane electrode structure and function Membrane electrode assembly (MEA) is a composite body composed of proton exchange membrane and anode, cathode catalytic dispersion layer and gas diffusion layer respectively placed on both sides of the membrane. Its structure mainly includes proton exchange membrane, catalytic layer and diffusion layer. three parts. Membrane electrode technical requirements In [...]
Fuel Cell Gas Diffusion Layer Fuel Cell Gas Diffusion Layer - Fuel Cell Catalyst Coatings - Cheersonic The gas diffusion layer (GDL) in the fuel cell mainly plays the role of supporting the catalytic layer, conducting electrons, conducting the reaction gas and discharging the reaction product water, etc. It is usually composed of a porous substrate layer and a microporous layer (MPL). PEMFO Although the transport of reactants [...]
Introduction of Perfluorosulfonic Acid Resin Introduction of Perfluorosulfonic Acid Resin - Fuel Cell Catalyst Coatings - Cheersonic The key technical indicators such as EW value, IEC and ionic conductivity of the proton exchange membrane directly depend on the composition and structure of the perfluorosulfonic acid resin. The selection of the appropriate PFSA is a priority factor for the selection of proton exchange membranes. PFSA is composed of two [...]
Proton Exchange Membrane Type Proton Exchange Membrane Type - Fuel Cell Catalyst Coatings - Cheersonic Proton exchange membranes can be divided into homogeneous membranes and composite membranes. 1) Homogeneous membrane Homogeneous membranes can be divided into five different types according to the main chain composition and functional groups of the materials: perfluorosulfonic acid membranes, partially fluorinated sulfonic acid membranes, non-fluorinated sulfonic acid membranes, polybenzimidazole (PBI)/ H3PO4 membrane and [...]
Proton Exchange Membrane Technology Proton Exchange Membrane Technology - Fuel Cell Catalyst Coatings - Cheersonic Proton exchange membranes are a class of ion-conducting polymer membranes known for their excellent ionic conductivity and chemical-mechanical stability, which can provide channels for the migration and transport of protons, allowing only water and protons (or It is called hydrated protons, H3O+) passing through, so that protons can pass through the membrane from [...]
Fuel Cell Membrane Electrode Technology Fuel Cell Membrane Electrode Technology - Catalyst Coating - Cheersonic The membrane electrode and the bipolar plates on both sides constitute the basic unit of the fuel cell. The membrane electrode is the core component of the fuel cell stack. As the place where the chemical reaction occurs, it is composed of a catalyst, a gas diffusion layer, and a proton exchange membrane. [...]
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