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I. Basic structure and properties of lithium batteries
Lithium batteries are a type of battery with lithium metal or lithium compounds as the negative electrode material. They have the advantages of high energy density, long cycle life, and no pollution. They have been widely used in fields such as electric vehicles, mobile power supplies, and digital products. The basic structure of a lithium battery includes a positive electrode, a negative electrode, a separator, an electrolyte, and other parts. The positive and negative electrodes are the core parts of the battery. The marking labels on them are very crucial for the use and maintenance of the battery.
II. Commonly used marking labels for lithium batteries
Positive electrode marking: Commonly used markings for the positive electrode of a lithium battery are "+", "POS", "P", etc. Generally located on the top or side of the battery, they are used to distinguish the positive and negative electrodes and avoid incorrect insertion of the battery, which may lead to battery short circuit or damage.
Negative electrode marking: Commonly used markings for the negative electrode of a lithium battery are "-", "NEG", "N", etc. Generally located on the bottom or side of the battery, they are used to distinguish the positive and negative electrodes and avoid incorrect insertion of the battery, which may lead to battery short circuit or damage.
Voltage marking: The voltage marking of a lithium battery is generally "3.7V", "7.4V", etc., used to indicate the rated voltage of the battery. Avoid overloading to prevent battery over-discharge or over-charge, which may affect battery life and safety.
Capacity marking: The capacity marking of a lithium battery is generally in units such as "mAh", "Wh", etc., used to indicate the rated capacity of the battery, that is, the amount of electricity that the battery can store. Batteries of different capacities have different service lives and endurance.
Production date marking: The production date marking of a lithium battery is generally in a format such as "YYMMDD", used to record the production date and shelf life of the battery. Replace aged batteries in time to avoid using expired batteries, which may lead to decreased battery performance and potential safety hazards.
III. Use and maintenance of lithium batteries
Correct use: Lithium batteries generally need to be fully charged before use to avoid over-discharge and over-charge, which may affect battery life and safety. During use, avoid long-term high or low temperature environments, avoid long-term overloading, avoid short circuits or over-charging, avoid violent collisions or vibrations, and avoid contact with water or fire sources.
Regular maintenance: The normal service life of a lithium battery is generally 1 to 3 years. Regular inspection and maintenance are required, including cleaning the battery surface, checking whether the wiring is loose, measuring voltage and capacity, and replacing aged batteries. When not in use for a long time, the battery should be placed in a dry and cool place and regularly charged for maintenance to avoid battery self-discharge and damage.
In conclusion, the marking labels of lithium batteries are very important for the use and maintenance of the battery. Correctly understanding and using these marking labels can better protect the battery, extend battery life, and ensure battery safety.
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