Safety of lithium-ion batteries: prevention and response to breakage accidents

      #Industry ·2024-10-11

      With the rapid development of science and technology, lithium-ion batteries have become an indispensable part of our daily lives. From smartphones to laptops to electric cars, lithium-ion batteries are favored for their high energy density and long life. However, the safety of lithium-ion batteries has also caused widespread concern. This article will explore the causes of lithium-ion battery breakage, preventive measures and countermeasures. First, we need to understand why lithium-ion batteries break. Battery damage can be caused by physical damage, overcharge, overdischarge, short circuit, or thermal runaway. Physical damage can occur when the battery is squeezed or punctured, causing damage to the internal structure of the battery. Overcharge and overdischarge may be due to the failure of the battery management system (BMS), resulting in uncontrolled chemical reactions within the battery. Short circuit and thermal runaway may be caused by defects in the internal materials of the battery or external environmental factors. In order to prevent the damage of lithium-ion batteries, we can take the following measures: 1. Choose high-quality battery products: When purchasing batteries, you should choose well-known brands and products with safety certification to ensure the quality and safety of batteries. 2. Proper use and maintenance of the battery: Follow the battery manufacturer's guidelines, avoid overcharge, overdischarge, and high temperature environments, and regularly check the appearance and performance of the battery. 3. Strengthen the battery management system (BMS) : The BMS is the key to ensure the safe operation of the battery, and should be checked and maintained regularly to ensure its normal work. 4. Avoid physical damage: Properly store and carry the battery to avoid squeezing, piercing and other situations that may cause physical damage. Once a lithium-ion battery is damaged, the following coping strategies should be taken immediately: 1. Stay calm: When the battery is damaged, stay calm and avoid panic, as panic may lead to wrong coping behaviors. 2. Cut off the power: If possible, cut off the battery's power connection immediately to prevent further chemical reactions. 3. Away from heat and flammable materials: Move the damaged battery to a safe area away from heat and flammable materials to prevent fire or explosion. 4. Seek professional help: If the battery is seriously damaged, contact a professional immediately to avoid possible risks caused by handling it yourself. In short, the safety of lithium-ion batteries is an important issue that we need to pay attention to. By taking proper precautions and coping strategies, we can minimize the risk of battery breakage and ensure the safety of our devices and people. At the same time, with the continuous progress of technology, we have reason to believe that future lithium-ion batteries will be safer and more reliable.

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