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Popular science knowledge about ion exchange membrane electrolyzers: Ion exchange membrane electrolyzers are mainly composed of anode, cathode, ion exchange membrane electrolyzer frames and conductive copper rods. Each electrolyzer is composed of several unit cells connected in series or in parallel. The figure on the right shows a schematic diagram of a unit slot. The anode of the electrolytic cell is made of metal titanium mesh. In order to extend the service life of the electrode and improve the electrolysis efficiency, the titanium anode mesh is coated with oxide coatings such as titanium and ruthenium. The cathode is made of carbon steel mesh and is coated with a nickel-coated cation exchange membrane. The electrolytic cell is Separated into cathode chamber and anode chamber. The cation exchange membrane has a special property, that is, it only allows cations to pass through and prevents anions and gases from passing through. That is to say, it only allows passage but does not allow gases to pass through. This can not only prevent the mixture produced by the cathode and the anode from causing an explosion, but also prevent the caustic soda from interacting with the solution and affecting the quality of the caustic soda.