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Performance comparison of Li-ion battery with other batteries

by:dcfpower     2021-03-27
u003cpu003eu003cpu003eThe conductivity of the organic electrolyte used in lithium-ion batteries is in the range of 10-s to 10-2S/cm, which is two orders of magnitude lower than the general aqueous solution, which limits the discharge rate. At present, thin electrodes are used to compensate, and the power output of small batteries can be continuously discharged at 2-3C at room temperature. Compared with other high-energy secondary batteries, lithium-ion batteries have significant performance advantages. The main performance conditions are shown in Table 1. Table 1 Commonly used secondary battery characteristics Tab. 1 Characteristics of Rechargeable Batteriesu003c/pu003e Battery Ni-MH battery Small compact lead-acid battery Li-ion battery Li-polymer battery Rechargeable alkaline power density (Wh/kg) 40-6060-8030100150-20080 (initial) cycle life (capacity loss from the initial value 100% to 800 %)1500500200-500500-1000100-15010 (65%) Fast charge time (h) 1.52~48~163~48~152~3 Overcharge resistance is moderately low, high, very low--medium monthly self-discharge (room temperature ) 20% 30% 5% 10%-0.3% battery nominal voltage (V) 1.251 .2523.62.71.5 load currentu003e 2C0.5~1C0.2C1C0.2C0.2C working temperature (℃)-40~60- 20~60-20~60-20~60——O~65 Average battery price per cycle (USD) Start of commercialization time 1950199019701991-1992 Impact on the environment Cadmium, serious pollution Heavy metal pollution, heavy metal pollution, no pollution, no pollution, mercury pollutionu003c/pu003eu003c/pu003e
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