Ev lead-acid battery and lithium battery which good
with electric car battery technology upgrading, development and application of lithium battery field is increasingly rising. Is rising, however, is subject to the safety performance of lithium-ion batteries, such as the ratio of height to replace instead of the traditional guiding role of the lead-acid battery eldest brother still have a long distance to go. Lead-acid battery and lithium battery which good lead-acid batteries in the future will still possess electric bicycle power battery. Electric bicycle battery has 3 kinds, is commonly used in lead-acid battery, nickel metal hydride rechargeable batteries, lithium ion batteries. electric bicycle is very light, electricity long time. Don't speak much better, today I look at the storage battery with lead-acid battery and lithium battery which good.
storage battery lead acid battery and lithium battery which good
1, a half price of the storage battery on the battery, high price than lead-acid batteries, lithium-ion batteries, lithium electric cars are much expensive.
2, product quality is the life time is long, can run far than lead-acid batteries.
3, safety in use process must pay attention to waterproof and moistureproof, is more difficult than lead-acid batteries. Lithium manganese dioxide battery anode, with only a small drop of water can be fever phenomenon. Lithium chloride and sulfur in the battery, after contact with water in the generation of hydrochloric acid and sulfur dioxide released heat at the same time, several factors make lithium-ion batteries in daily life & other; Fire & throughout; In the safe use of li-ion battery must pay attention to the waterproof and moistureproof, prevent moisture.
4, I think now although there has been a lithium trams in to sell, but the volume is not very ideal, not by the public. From environmental protection point of view, lithium battery than lead-acid environmental protection.
5, lead-acid batteries can now repair, includes equipment plus pure manual maintenance, lithium batteries do not know can also repair.
main advantages of lithium battery pack:
1. voltage high platform, can make a good lithium battery pack pack
high lithium battery voltage platform: monomer battery voltage to an average of 3. 7 v or 3. 2 v, is approximately equal to three nickel cadmium battery or nickel metal hydride batteries in series voltage, is advantageous to the battery power pack.
2。 Energy than high, weight is light
compared with high energy density batteries, lithium batteries. High energy storage density, at present has reached 460 - 600 wh/kg, it is about 6 - lead-acid batteries Seven times. Compared with lead-acid batteries, lithium batteries light weight, under the same volume weight is about 1/5 of the lead acid products, 6.
3。 Still have a long service life is long, normal cycles
a longer service life than lithium-ion batteries, service life can be up to six years, lithium iron phosphate for positive cells in 1 cdod charged to put, can use one thousand records;
4。 No memory effect for high power
high power capacity, in the midst of the electric car with lithium iron phosphate lithium ion battery can reach 15 - 30 c of charge and discharge ability, is advantageous in starting and accelerating the high intensity; Low self-discharge rate, no memory effect;
5。 Adapt ability strong resistance to high and low temperature
lithium battery pack high and low temperature adaptability is strong, can be in - 20℃- - 60 ℃ under the environment of use, through the treatment process, can be in - Using 45 ℃ environment; Green, environmental protection and energy saving, regardless of production and processing, use and scrap, how don't with, also won't form any poisonous and harmful heavy metals such as lead, mercury, cadmium and material.
ev lead acid battery and lithium battery which good? Compared with lead-acid battery technology mature and perfect, and 75% raw material can be normal use, so the price is relatively cheap, more suitable for electric bicycle ability of choose and buy of consumer. Even if the future lithium ion battery proportion may be increased, but the lead-acid battery will still be dominant role in electric bicycle batteries, lithium batteries to replace the guiding role of the lead battery, still need to go a long way.
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