An Introduction to Voltage Classification of Dry Batteries

The unit of voltage of a dry battery is expressed in V(V). In different states, the voltage value of a dry battery is different, and the nominal voltage is the core parameter of a dry battery voltage.

The dry batteries in practice are divided into carbon batteries and alkaline batteries. Although the reaction mechanism is different, the voltage of a lithium battery is the same among them. The nominal voltage is also called rated voltage. The voltage value of the dry battery is one of the fundamental signs that the battery is different from other batteries. The nominal voltage of a dry battery is 1.5 V, which refers to the potential difference caused by the chemical reaction of a battery positive electrode material. In this sense, one uses the voltage of a dry battery as a reference, and the dry battery is called 1.5 V battery.

However, the voltage of a dry battery is not always at 1.5 V, otherwise a dry battery can be used inexhaustible. In fact, in the process of dry battery work, the battery voltage has undergone the open circuit voltage, operating voltage, and termination voltage.

Open circuit voltage refers to the voltage of the dry battery in the next phase of the non-working state. Due to the different formula of the battery material, the open circuit voltage of the dry battery of different brands is also inconsistent, usually above 1.6 V and up to 1.725 V.

The operating voltage is relative to the open circuit voltage. When the battery is working, it must overcome the internal resistance. Therefore, the voltage in the working state is always smaller than its open circuit voltage. After the battery has reached a certain stage of operation, the voltage will drop sharply. At a certain critical value, the battery should not continue to discharge. This critical value is called the termination voltage. The end voltage of the dry battery is 0.9 V. Some people start from the savings. At the end voltage, Continuing to use it forcibly, he did not know that the effect of 0.9 V dry batteries was very small, and it would cause battery damage and affect the safety of electrical appliances. Some battery manufacturers have set a leak voltage for this further, that is to say, once the voltage of a dry battery reaches this voltage value, it is basically leakage, according to the amount and proportion of dry battery materials. Some manufacturers set the leak voltage to 0.6 V. The best setting is 0.3 V. In fact, 0.3 V leakage is difficult to guarantee.

The voltage of a dry battery shows a value of different states, and the voltage of carbon batteries and alkaline batteries also varies depending on the material. The same is the voltage of a dry battery, alkaline batteries are much more stable than carbon batteries, and the performance in practice is that alkaline batteries are longer and more stable.

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