What Is a Tungsten-Barium Electrode?

Tungsten-barium electrode, also known as barium-tungsten cathode, is an electrode made of an alloy material of two metals, tungsten and barium. This electrode combines the high melting point and good stability and corrosion resistance of tungsten, as well as the improvement of the conductivity of the electrode by barium, giving it excellent electrochemical properties, such as high potential stability and low capacitance.

Tungsten-barium electrode is widely used in electrochemical analysis and solution electrolysis, especially in the analysis of aqueous solutions of samples such as halogen elements, heavy metal ions and drugs. In addition, it is also used as an electrode material for high-intensity gas discharge lamps (such as xenon flash lamps) to change the low electron emission ability of pure tungsten cathodes, increase electron generation and electron current density, improve the ignition speed of gas discharge lamps, and reduce the working temperature of electrodes.

One of the methods for preparing tungsten-barium electrode is the impregnation method, which includes the steps of preparing a porous tungsten matrix and melting the barium salt by heating and impregnating it into the pores of the porous tungsten matrix.

In summary, tungsten-barium electrode is an electrode material with wide application value, which is suitable for both electrochemical analysis and the manufacture of equipment such as high-intensity gas discharge lamps. For more information about tungsten-barium electrodes, it is recommended to consult professional books in the field of materials science or consult relevant experts from China Tungsten Intelligent Manufacturing Technology Co., Ltd (CTIA GROUP LTD).