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The difference between batteries and lead-acid batteries

The difference between batteries and lead-acid batteries

  • Categories:Industry news
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  • Time of issue:2022-05-12 15:53
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(Summary description)At present, the energy density of lithium battery is 200-260h/g, and the lead-acid battery is 50-70H /g. Then the weight energy density of lithium battery is 3-5 times that of lead-acid battery, which means that the lead-acid battery is 3-5 times that of lithium battery in the same capacity, so lithium battery has a greater advantage in energy storage technology.

The difference between batteries and lead-acid batteries

(Summary description)At present, the energy density of lithium battery is 200-260h/g, and the lead-acid battery is 50-70H /g. Then the weight energy density of lithium battery is 3-5 times that of lead-acid battery, which means that the lead-acid battery is 3-5 times that of lithium battery in the same capacity, so lithium battery has a greater advantage in energy storage technology.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2022-05-12 15:53
  • Views:
Information

The advantages and disadvantages of lithium battery and lead-acid battery are compared in the following aspects:
1. Weight energy density
At present, the energy density of lithium battery is 200-260h/g, and the lead-acid battery is 50-70H /g. Then the weight energy density of lithium battery is 3-5 times that of lead-acid battery, which means that the lead-acid battery is 3-5 times that of lithium battery in the same capacity, so lithium battery has a greater advantage in energy storage technology.
2. Volume energy density
The relative bulk density of lithium-ion batteries is usually so that lithium-ion batteries are 30% smaller than lead-acid batteries for the same volume.
3. Use the cycle time
The current popular raw material management system is ternary and lithium iron. The frequency of ternary power lithium ion cycle system is generally more than 1000 times, the frequency of lithium ion phosphate battery cycle system is more than 2000 times, and the frequency of lead-acid battery cycle system is only 300-350 times, so the life of lithium ion battery is 3-6 times that of lead-acid battery.
Price of 4.
Currently, lithium-ion batteries are about three times more expensive than lead-acid batteries, but the fusion cycle analysis and capital investment cost are the same, so lithium-ion batteries still have a long application cycle.
5. The applicability
Because the safety factor of lithium battery is slightly weaker than lead-acid battery, so it is necessary to do a good job in the application of various safety protection work, such as to avoid external force or safety accidents caused by the destruction of lithium battery, because it will cause fire or explosion; The accepability of lithium batteries at this stage is also very good, and lithium batteries are not inferior to lead-acid batteries.
[正] The policy of our country
Because lead-acid battery is in the production stage or waste rechargeable battery is seriously damaged by the natural environment, so the development trend of lithium ion instead of lead-acid battery will be more and more obvious, and further accelerate.
The difference between lithium battery and lead-acid battery:
1 durability: lead-acid battery is generally less than 400 times deep charge and discharge, memory, use within 2 years. The lead-acid battery contains liquid, rechargeable batteries need a period of time, must be filled with liquid; Lithium battery is different, its durability is stronger than lead-acid battery, lower cost, deep battery charge and discharge times more than 500 times, and no memory, the general life of 4 ~ 5 years.
2. Volume and quality: The volume of lead-acid batteries is large. The net weight is usually 16-30 kg. Lithium-ion batteries, in turn, typically weigh much less net than lead-acid batteries, most of which weigh in kilograms or less. And not much. It's easy to transport.
3 production and manufacturing process: lead-acid battery in the production and manufacturing process of environmental pollution, if the procurement is not good, it will also cause environmental pollution, environmental protection is a very serious harm. Lithium is relatively low carbon friendly.
4. Price level: Many of the main manifestations of lithium-ion fusion outperform lead-acid batteries in all areas, but the price level is slightly higher than lead-acid batteries. It is also inevitable.

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