Can batteries be checked in? How to restore a lithium battery after it runs out of power?

In our daily life, we often need to use lithium batteries. Lithium batteries refer to batteries that contain lithium in the electrochemical system. Lithium batteries can be roughly divided into two categories, lithium metal batteries and lithium ion batteries. Lithium metal batteries generally use manganese dioxide as the positive electrode material, metallic lithium or its alloy metal as the negative electrode material, and use non-aqueous electrolyte solutions. What should we do if the lithium battery is depleted after a long period of use? The following is a detailed sharing for you.

Contents of this article

1. Can batteries be checked in?

2. How to restore the lithium battery when it runs out of power

3. Is it okay if the lithium battery is exposed to rain?

Can batteries be checked in?

When flying, dry batteries can be checked in, but lithium batteries cannot be checked in. Lithium batteries refer to batteries that contain lithium in the electrochemical system. If they are checked in luggage, they may be squeezed or collided during transportation, which may cause the lithium batteries to spontaneously combust, threatening flight safety.

In addition to lithium batteries, deterrent devices, firearms, police equipment, controlled knives, flammable and explosive items, poisonous substances, etc. cannot be checked in.

Although lithium batteries cannot be checked in, they can be carried on board, but there is a limit on the number. Generally, you can carry on board laptops, mobile phones, cameras and other electronic devices containing lithium batteries of no more than 100Wh and spare batteries in your hand luggage.

Passengers may carry on board electronic devices containing lithium batteries exceeding 100Wh but not exceeding 160Wh if approved by the airline. In addition, no more than two such spare lithium batteries may be carried.

How to restore lithium battery power

Method 1: Overvoltage method. Try double or triple the voltage to reactivate the device. Method 2: Wipe method. Use a clean eraser to gently wipe the metal contact surface between the battery and the device. Use an eraser to remove the oxide layer on the surface, so that the battery and the device have good contact.

Lithium batteries lose points due to long-term use. If a lithium battery pack is damaged, it needs to be repaired by the manufacturer. Do-it-yourself or ordinary electric vehicle repair shops cannot solve the problem.

Lithium battery chargers have strict usage restrictions. Even if the batteries are from different manufacturers and have the same voltage, they cannot be used together. If other chargers are used, the battery may run out of power.

Short driving distance, frequent ignition, problems with the electronic circuit, engine failure to charge, battery failure, and electrical appliances not turned off after locking the vehicle may all cause the battery to run low.

Is it okay if the lithium battery is exposed to rain?

Lithium batteries are fine if they are exposed to rain but no water has entered them. However, if they bulge, it means water has entered them and they cannot be used anymore. Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the positive/negative electrode material and a non-aqueous electrolyte solution.

Lithium batteries can be roughly divided into two categories, lithium metal batteries and lithium ion batteries. Lithium metal batteries generally use manganese dioxide as the positive electrode material, metallic lithium or its alloy metal as the negative electrode material, and use a non-aqueous electrolyte solution.

Lithium-ion batteries are generally batteries that use lithium alloy metal oxide as the positive electrode material, graphite as the negative electrode material, and a non-aqueous electrolyte.

Lithium batteries were first used in cardiac pacemakers. The advantages of lithium batteries such as extremely low self-discharge rate and gentle discharge voltage enable pacemakers implanted in the human body to operate for a long time without recharging.