What are the security factors affecting polymer battery mobile power?

Source: 2020 - 04 - 12 clicks: they affecting polymer battery of mobile power supply security factors have? Polymer battery safer than lithium battery. Polymer battery is a kind of aluminum-plastic film packaging, short circuit or other abnormalities, internal flatulence, break through the hot melt discouraged, general won't be an explosion accident, but when the battery internal short circuit will produce the phenomenon of a serious fire smoke, so the battery itself didn't explode, explosion caused by burning, because the other components of the battery. ( A) The internal factors influencing the polymer battery safety. Polymer lithium ion battery is two short forms: one is by the battery in the process of film and flexible packaging, collecting liquid anode and cathode electrolyte membrane, physical contact to form a short circuit, called physical short circuit; Another kind is in the process of cell charge-discharge cycle, because the electrode active material and electrolyte membrane material itself is caused by the chemical changes of the local electronic conductive, known as chemical short circuit. ( 2) The external factors affecting polymer battery safety. One is the overcharge, over discharge. Don't match the charger and mobile power is easy to cause the battery overcharge, increase the possibility of a polymer lithium ion battery expansion. When the battery charge and discharge, battery internal temperature continues to rise, the activation process of gas expansion, the battery internal pressure, the pressure reaches a certain scope. Second, the sealing side protection. Sealing side of aluminum-plastic composite sandwich made of pure aluminum thin film packaging material, has the good electrical conductivity. When use, reliable insulation and isolation measures must be taken, to prevent short circuit and external components, which can cause corrosion and gas in the battery. 3 it is the external short circuit. The positive (of the battery Or negative) Lu: su composite membrane with battery outer aluminum layer of short circuit. With the application of mobile power supply is more and more widely, people demand for mobile power supply capacity and safety of more and more is also high. In the capacity of the mobile power supply at the same time, how to guarantee the security of mobile power supply become the designer's problems. Believe that with the progress of materials technology and people to the understanding of the design, manufacture and use of mobile power supply, the large capacity of mobile power supply in the future will be more secure.