Jul 18, 2019 Pageview:679
The lithium battery voltage platform is high: the average voltage of the single battery is 3.7 V or 3.2 V, which is equivalent to the series voltage of 3 nickel-cadmium batteries or nickel-metal hydride batteries, which facilitates the formation of battery power supply groups;
Compared to batteries, lithium batteries have a high energy density. With a high storage energy density, it has reached 460-600 Wh / kg, which is about 6-7 times that of lead-acid batteries;
1, compared to lead-acid batteries, lithium batteries are light in weight, and the weight under the same volume is about 1/5 -6 of lead-acid products;
Lithium batteries have a relatively long service life, a service life of more than 6 years, and lithium ferric phosphate batteries with positive poles are filled with 1CDOD, and 1,000 records can be used;
2, with high power tolerance, among which lithium ferrophosphate lithium-ion battery for electric vehicles can achieve 15-30C charging and discharging ability, facilitate high-strength start-up acceleration;
3, low self-discharge rate, no memory effect;
4,Lithium batteries are highly adaptable at high and low temperatures and can be used at -20 °C -60 °C. After processing, they can be used at -45 °C.
Green environmental protection, regardless of production, use and scrap, does not contain and does not produce any toxic and harmful heavy metal elements and substances such as lead, Mercury, cadmium.
Green environmental protection, regardless of production, use and scrap, does not contain and does not produce any toxic and harmful heavy metal elements and substances such as lead, Mercury, cadmium.
Disadvantages of lithium battery
1, lithium batteries have poor safety, there is a risk of explosion.
Lithium batteries of lithium cobalt acid materials can not discharge large currents and have poor safety.
3, lithium batteries need to protect the line to prevent the battery from being overcharged and discharged.
4, production requirements high conditions, high costs.
The main advantages of lithium-ion batteries:
1, the energy ratio is higher. With a high storage energy density, it has reached 460-600 Wh / kg, which is about 6-7 times that of lead-acid batteries;
2, long service life, service life can reach more than 6 years, lithium ferrophosphate is a positive battery filled with 1CDOD, there are 10,000 records can be used;
3, high rated voltage(single operating voltage of 3.7 V or 3.2 V), approximately equal to the series voltage of 3 nickel-cadmium or nickel-metal hydride rechargeable batteries, easy to form battery power supply group;
4, with high power tolerance, among which lithium ferrophosphate lithium-ion battery for electric vehicles can achieve 15-30C charging and discharging ability, facilitate high-strength start-up acceleration;
5, the self-discharge rate is very low, which is one of the most prominent advantages of the battery, currently can generally be less than 1 % per month, less than 1/20 of nickel-metal hydride batteries;
6, light weight, weight at the same volume is about 1/5 -6 of lead acid products;
7, high and low temperature adaptability, can be used in the environment of -20 °C -60 °C, after processing, can be used in the environment of -45 °C;
8, green environmental protection, regardless of production, use and scrap, does not contain and does not produce any lead, Mercury, cadmium and other toxic and harmful heavy metal elements and substances.
9, production basically does not consume water, for the water shortage of our country, very favorable.
Lithium batteries are light and small in size
Lithium-battery electric vehicles are currently diversified in terms of power performance and similar to lead-acid batteries(simple electric bicycles). They can be charged for 6 to 8 hours. According to the battery capacity, they can run 30 to 45 kilometers and weigh only 1/5 of lead-acid batteries. And at present, lithium batteries are guaranteed for 2 years and lead-acid batteries for 1 year.
1, lithium battery has non-activation characteristics
Lithium batteries are easily activated. As long as the battery is activated after 3-5 normal charge and discharge cycles, the battery can be activated and the normal capacity can be restored. Due to the characteristics of the lithium battery itself, it is determined that it has almost no memory effect. Therefore, the user's new lithium battery does not require special methods and equipment during the activation process.
2, lithium battery with memory effect
When charging lead-acid batteries and nickel batteries, the battery has always been worried about memory effects, while the electric bicycle lithium battery has no memory effects and can be recharged without worrying about the charging power before the battery.
3, lithium battery cycle life long
Lithium-ion batteries are charged and discharged at 1C times, and their cycle life is greater than or equal to 500 times. The capacity at the 500th time is greater than 70 % of the nominal copper beam. The lead-acid battery, even if discharged at 0.5, charges at 0.15 C, has a cycle life of less than or equal to 350 times and a capacity of less than or equal to 60 %.
4, wide operating temperature range
Electric bicycle lithium-ion batteries can work in the range of -25 degrees to 55 degrees, their capacitance can reach 70 % of the nominal capacity, and lead-acid batteries can only work in the range of 10 degrees to 40 degrees, and can not work normally at -25 degrees.
5, Lithium battery charging time is short, green environmental protection
Since the electric bicycle lithium-ion battery has the characteristics of high current charging, the charging time is only 4-5 hours, while the lead-acid battery takes 8 to 10 hours. There is no heavy metal lead that is harmful to the environment and it is a highly environmentally friendly product.
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