Lithium battery "security risk"

Now, look a little as long as electronic products, you will find traces of lithium batteries almost everywhere. Large laptop, digital cameras, small mobile phone, digital cameras, mp3. At the pre-lithium batteries, electronic products are used in Ni-Cd or Ni-Cd Ni-MH battery. Because of smaller, lighter weight and do not hate the memory effect, lithium batteries to become the new darling of the market has led to a portable electronic products, a revolution, many of energy will be concentrated in very small space. Despite these excellent characteristics, lithium batteries, there are security risks. If the charging of excessive, or similar short-circuit such a failure, sealed in the battery on the chemical substances transformed into a flammable dangerous goods. These flammable chemicals caught fire at once, it probably happened a "blast." These flammable materials what is it? From the laptop manufacturers and battery manufacturers to launch a new battery of view, directed at the lithium-lithium dell laptop battery . Lithium in the periodic table of the second cycle, the first main group, with the active metal sodium, potassium and family. The group elements are the common characteristics of a very lively encounter water, air and other substances that can react quickly, and even cause an explosion. However, lithium batteries are not lithium metal, but the lithium-ion (Li +). Lithium-ion rechargeable lithium battery in the discharge process does not produce lithium: When the battery charge, the cathode to the anode of lithium-ion movement; and discharge, the lithium-ion back to the cathode to provide energy. Although not flammable lithium-ion materials, but the formation of lithium-ion lithium electrolyte salts is genuine flammable liquids. This is also determined to use Sony lithium-ion lithium polymer instead of the original, which exist in the form of colloid, not the formation of flammable lithium electrolyte salts. Rechargeable lithium dell 310-6321 at the completion of the cathode because of the loss of the majority of lithium-ion has become very unstable and gradually accumulated heat, the temperature sufficient to decompose and release oxygen cathode. In addition, the internal lithium batteries have graphite as the anode material, the main component of carbon and other flammable substances to the entire Li-ion battery's chemical composition is very unsafe. The explosion caused a fire last year, more than the case of the murderer, it is some fine particles of metal - nickel. These cells at the production process into a "killer", after the completion of the charge, through the insulating layer of the cathode to the instability and crystallization of the mobile, resulting in short-circuit, resulting in local overheating dell 310-6322, lithium batteries ignited graphite, oxygen, lithium salt type of electrolyte, the battery eventually lead to a fire and explosion.
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