nickel-cadmium batteries

2.3 lithium-ion battery characteristics and prospects, (A) single battery voltage up to 3.7V, nickel-cadmium batteries, nickel metal hydride batteries 3 times, nearly two times the lead-acid battery, which is higher than the energy of lithium is an important reason. Therefore composed of the same voltage battery pack, lithium battery will be considerably less than the number of series of lead-acid batteries and nickel-metal hydride batteries. If the battery in the greater the number of cells, individual cells in the battery pack consistency requirements of the higher life of the more well done.

in the actual process of using the battery pack problem analysis, generally is one of the two a single battery problem then leads to the entire group of problem with the battery, it is not difficult to understand why more than 36V lead-acid batteries 48V lead-acid batteries feedback to be high, from this perspective is more suitable for power lithium battery. 36V lithium such monomers only 10, the 36V lead-acid batteries to 18 unit cells, the three batteries of 12V, 12V lead-acid batteries and each single cell that has six six single cells components.volume of lead-acid batteries half to one third.

    (2) light weight, high energy, high 150Wh/Kg, is 2 times the nickel-hydrogen batteries, lead-acid battery 4 times, so the weight of lead-acid batteries of the same energy-third to one-fourth, From this perspective lithium resources consumed less, and because lithium manganese oxide elements used in more reserves, so the relative lead-acid, nickel-metal hydride batteries may further price increases, but the cost of lithium batteries is further reduced. Lithium-ion batteries for electric bike weighs 2.2-4 kg, lead-acid battery weight 12-20 kg, lithium weighs about a quarter to a third of lead-acid batteries.
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