When it semen to the concept of lithium battery, there are three main difference in their use: broad sense, narrow sense, and narrow sense. lithium battery in a broad sense include lithium primary battery and lithium-ion battery, with the latter being more commonly use. Within lithium-ion battery, there are two type: polymer lithium-ion battery and liquid lithium-ion battery. The narrow understanding of lithium battery typically mention to liquid lithium-ion battery. ① In addition to the inorganic compound of lithium battery, polymer battery can also use conductive polymer as positive electrode material. ② The electrolyte of polymer battery dwell of polymer electrolyte ( solid or colloidal ) and organic electrolyte, while lithium battery use electrolyte ( liquid or colloidal ).
1. The fundamental difference lie in the raw material use for the two type of battery. polymer battery use polymer material in at least one of the three major component, while lithium battery necessitate a strong shell to incorporate the electrolyte, increase their weight. 2. The shaping difference between the two type of battery is significant. polymer battery can be thin, have any area and shape due to their solid or colloidal electrolyte, while lithium battery necessitate a strong shell to incorporate the liquid electrolyte.
3. In footing of security, most polymer battery are soft-battalion battery which use aluminum-plastic movie as the shell, devising them less likely to explode even under high temperature. However, in the case of a short circuit, there be still a hazard of ignition or explosion. Furthermore, polymer battery can achieve high voltage in a cell through multi-layer combination, while lithium battery necessitate multiple cell connect in series to achieve the Lapp consequence. Despite the advantage of polymer battery, lithium battery continue to predominate the market due to their relative advantage in footing of conduction, capacity, fabrication procedure, and price.
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Post time: Apr-06-2023