Correct use of lithium batteries

Author: Chao Li Yang Pageviews:56 Time:2020-05-28

Lithium battery is a kind of energy storage conversion equipment that is more and more widely used. Due to its excellent electrochemical function, it completes a small-medium-large market application scenario that keeps pace with the times. When we talk about lithium batteries When the method is used correctly, it generally refers to small applications, namely consumer electronics, such as smart phones and laptops. Since large and medium-sized applications are based on small-scale application technology, small-scale applications have common characteristics, while large- and medium-scale applications are much more complicated. Generally, medium-sized applications are in new energy vehicles, which are generally called power batteries; large-scale applications are generally On the base station, we generally call it an energy storage battery. So when we talk about the "methods of using lithium batteries," limiting lithium batteries to small applications is in line with people's habitual understanding.

  The working principle of lithium batteries is nothing more than charging to store energy, and discharging into other energy and releasing it. When it is neither charging nor discharging, it is in a state of shelving. Therefore, the correct use of lithium batteries has three major aspects: correct charging, correct discharging, and correct maintenance.

  The correct way to charge the lithium battery

   Seize the moment and prevent overcharging. Do the right thing at the right time. Although the lithium battery itself has excellent electrochemical functions, any kind of thing will have a safety hazard when it violates the balance condition. In detail,

   1. When charging, then charging. In the early days of smartphones, each mobile phone manufacturer, out of the original intention of safeguarding its own interests, often emphasized using original chargers (including charging cables) to charge electrical equipment. Some manufacturers design special data cables and do not support other charging. Adapter (including charging cable). Later, as the use of smart phones and laptops became more and more widely used, it would be obvious that it would kill itself if this continued. So now everyone has basically unified the standard. A charger/cable can provide electrical appliances of different brands and properties. Charged. Charging is convenient, and a problem that users should pay attention to is to try to keep the battery with the power of normal use at all times. Under normal circumstances, when the battery is too low, both the mobile phone and the laptop will give a reminder. At this time, you need to recharge it in time. Although the low battery will not cause a direct safety incident, overuse will cause damage to the battery structure over time. .

  2, just full. Lithium battery cells are also made up of many components. The new battery is fine. If it is used for a longer period of time, the function of which component may decline, and thus overcharge safety risks will occur. Some of the typical incidents that Samsung and Apple were exposed to were caused by the owner of the electric appliance putting the mobile phone on the bedside of the bed to charge it while sleeping, which eventually caused burning and explosion.

   3. Do not use one mind and two purposes. The author has once understood that using the mobile phone while charging, especially when playing games, it is very simple to feel that the mobile phone heats up. The reason is also very simple. The mobile phone is equivalent to two jobs at the same time, which makes it necessary to pay more than the labor force, and the body naturally heats Up.

  The correct discharge method of lithium battery

   Charge in time to prevent over-discharge. The general mobile phone users have no knowledge about the damage of over-discharge, because there is no report of safety incidents in general over-discharge. Moreover, some people even think that regular deep discharge is good for maintaining battery functions. Otherwise, since the recall effect of lithium batteries can be ignored, there is no claim that deep discharge eliminates the recall effect. Theoretically, the total cycle life of a lithium battery with deep discharge will be longer, but the risk is that over-discharge of the battery will cause the battery voltage to be too low, and it will not be able to charge normally. Sometimes it will take a long time to turn on, or even fail to turn on. The two evils are the lesser one. A shorter service life is better than no use. Therefore, users of mobile phones and laptops are advised not to often use black screens.

   Lithium battery is properly maintained

   The temperature is suitable, and it is resistant to cold and heat. Generally, safety incidents do not occur to lithium batteries when they are left, and the purpose of daily maintenance is to place the lithium batteries in a suitable environment to delay battery aging. In fact, one of the parameter designs of lithium batteries is suitable for temperature. Relatively speaking, low temperature is not a big problem, but if it is placed at a higher temperature, as the saying goes, the thing is extremely reversed, and safety problems will also occur. The shelving situation we are talking about is only in terms of the normal environment. If the lithium battery is placed in water or close to the fire source, it will be out of the topic of "maintenance". Then, what is to be done in a normal environment? The aspect is moisture-proof and the heat-proof aspect is anti-exposure. Therefore, the suitable environment for daily maintenance of lithium batteries should be four words: ventilation and coolness. These four words should be followed regardless of whether the lithium battery is left alone or used in electrical appliances.

In the correct use of lithium batteries, the lithium battery charging method is the most important, because incorrect charging methods will cause safety problems, and discharge and daily maintenance affect only the service life of the lithium battery, and the lithium battery itself is also a kind of Consumables, no matter what method we adopt, we can't avoid its final loss, but we use the correct method to delay its aging.


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