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Status and relationship of battery voltage and resistance at work

Status and relationship of battery voltage and resistance at workAlkaline battery internal resistance (RI) is an important parameter of chemical power supply. Composition of ohmic resistance and polarization resistance. The ohmic resistance consists of an electrode material, an electrolyte solution, a diaphragm resistor, and a contact resistance of each part.

For a certain electrode. Its ohmic resistance can be approximated as a constant. The polarization resistance refers to a resistance caused by polarization during electrochemical reaction. Including electrochemical polarization (activation polarization) resistance and concentration polarization resistance.

In order to compare the internal resistance of the same series of chemical power supplies, the introduction of the concept of resistance, that is, the internal resistance of alkaline batteries under unit capacity.

According to the working state of the alkaline battery. The battery voltage can be divided into two types of open circuit voltage and operating voltage. The open circuit voltage is that the external circuit has no potential difference between the current flow over time, and the open circuit voltage of the general battery is less than the reversible electromotive force of the battery.

The working voltage is also known as the discharge voltage or load voltage. It means that the current is passed through the outer circuit. The potential difference of the battery two poles. The working voltage is always below the open circuit voltage. Because the current flows through the inside of the battery, the resistance caused by the alkaline battery can be overcome.  Recommend: LiFePO4 Battery Manufacturer Energy storage battery Manufacturer Integrated machine energy storage battery series Manufacturer Lead lithium battery Manufacturer Outdoor Backup Battery Manufacturer Portable outdoor power supply Manufacturer Power battery Manufacturer Powerwall LiFePO4 Battery Manufacturer Battery rack Manufacturers Telecom LiFePO4 Battery Manufacturer Wall mounted battery storage Manufacturer China Lifepo4 Battery