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characteristics of lithium ion battery
characteristics of Li-ion batteries It can be seen from the diagram that higher discharge currents make cell capacity decay faster and cycle life become shorter; vice versa. In the same way, it can also be found that Li-ion/polymer batteries are neither suitable for very high charge currents, nor suitable for being deeply discharged. Any extreme battery behaviors will bring a detrimental effect on cell capacity and cycle life. Balance is essential in using Li-ion/polymer batteries, which means that all the factors must be kept in balance to ensure successful usage. Environment also has tremendous influences on Li-ion/polymer batteries. In fact, temperature has the greatest impact. The following diagram shows how temperature may affect the battery characteristics. Based on the knowledge of the Li-ion/polymer battery properties, the industry has formed a three-stage Li-ion battery charge algorithm: pre-charge stage, constant current charge stage, and constant voltage charge stage. In a
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