What Is Bipolar Screening?
A bipolar electrode (BPE) is a conductor that is not connected to an external power source and is immersed in the electrolyte between the anode and the cathode. The side close to the anode of the drive electrode functions as a cathode and a reduction reaction occurs, while the side close to the cathode of the drive electrode functions as an anode and an oxidation reaction occurs. Such an electrode can function as both an anode and a cathode, so it is called a bipolar electrode.
Bipolar electrode
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- Chinese name
- Bipolar electrode
- Foreign name
- bipolar electrode
- Types of
- electrode
- Field
- Physical Chemistry
- A bipolar electrode (BPE) is a conductor that is not connected to an external power source and is immersed in the electrolyte between the anode and the cathode. The side close to the anode of the drive electrode functions as a cathode and a reduction reaction occurs, while the side close to the cathode of the drive electrode functions as an anode and an oxidation reaction occurs. Such an electrode can function as both an anode and a cathode, so it is called a bipolar electrode.
- A bipolar electrode is the same conductor, one end of which is an anode and the other end is a cathode. Both ends of it can undergo oxidation and reduction reactions simultaneously. For bipolar electrodes, we commonly have open bipolar electrodes and closed bipolar electrodes. An open bipolar electrode, that is, its anode and cathode terminals are continuous. The closed bipolar electrode has separate oxidation and reduction ends. For bipolar electrodes, we usually place it in a microfluidic channel. When a certain driving potential is applied, a potential drop is formed in the solution. At the same time, the bipolar electrode is an equipotential body, and the potential above is the same. In this way, an overpotential is formed at the interface between the solution and the bipolar electrode. This overpotential can be used to generate gradient materials, or to separate or screen.