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With the upgrading and upgrading of electric vehicle battery technology, the development and application of lithium batteries continue to rise. However, it is only a continuous increase, and due to the safety performance and cost-effectiveness of lithium batteries, there is still a considerable distance to go to replace the dominant role of traditional lead-acid batteries. Which is better, lead-acid batteries or lithium batteries? In the future, lead-acid batteries will still play a dominant role in electric bicycle power batteries. There are three types of batteries commonly used in electric bicycles: lead-acid batteries, nickel hydrogen rechargeable batteries, and lithium-ion batteries. Lithium ion battery electric bicycles are lightweight and have a long battery life. Not to mention much better, today I will take a look at which is better between lead-acid batteries and lithium batteries for electric vehicles.

Which is better between lead-acid batteries and lithium batteries for electric vehicles

1. Half of the price of an electric vehicle is on the battery, and lithium batteries are much more expensive than lead-acid batteries, making lithium-ion electric vehicles much more expensive.

2. In terms of product quality, which means long battery life, it can run farther than lead-acid batteries.

3. During safe use, it is important to pay attention to waterproofing and moisture prevention, as it is more difficult to handle than lead-acid batteries. The manganese dioxide in the positive electrode of a lithium battery can generate heat with just a small drop of water. After contact with water, sulfur chloride in lithium batteries generates hydrochloric acid and sulfur dioxide, while releasing heat energy. Several factors make lithium batteries a "source of fire" in daily life. When using lithium batteries safely, it is important to pay attention to waterproofing, moisture resistance, and high humidity.

4. I personally think that although there are already lithium electric cars for sale, the transaction volume is not very ideal and is not recognized by the public. From an environmental protection perspective, lithium batteries are more environmentally friendly than lead-acid batteries.

5. Lead acid batteries can now be repaired, including instrument equipment and pure manual repair. I'm not sure if lithium batteries can still be repaired.

The main advantages of lithium batteries:

1. The voltage platform of lithium batteries is high, which can be well made into lithium battery packs

High voltage platform for lithium batteries: The average working voltage of a single battery is 3.7V or 3.2V, which is approximately equal to the series voltage of three nickel cadmium batteries or nickel hydrogen batteries, which is beneficial for combining into a battery power pack

2. High energy ratio and light weight

Compared to batteries, lithium batteries have a higher energy density. It has a high storage energy density, currently reaching 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries; Compared to lead-acid batteries, lithium batteries are lighter in weight and weigh about 1/5-6 of lead-acid products in the same volume.

3. Long service life and longer normal cycle times

Lithium batteries have a relatively long service life, with a lifespan of over six years. Batteries with lithium ferrous phosphate as the positive electrode can be charged and discharged using 1CDOD, with a record of being able to be used a thousand times;

4. No memory effect, high power in an instant

Has high power endurance, among which the lithium iron phosphate lithium-ion battery used in electric vehicles can reach a charging and discharging capacity of 15-30C, which is conducive to high-intensity starting acceleration; Low self discharge rate and no memory effect;

5. Strong adaptability and resistance to high and low temperatures

Lithium batteries have strong adaptability to high and low temperatures, and can be used in environments ranging from -20 ℃ to 60 ℃. Through process treatment, they can be used in environments ranging from -45 ℃; Green, environmentally friendly, and energy-saving, regardless of production, processing, use, or disposal, it does not contain or form any toxic and harmful heavy metal elements and substances such as lead, mercury, and cadmium.

Which is better between lead-acid batteries and lithium batteries for electric vehicles? Compared to others, lead-acid battery technology is mature and complete, and 75% of the raw materials can be recycled normally, so the price is relatively cheap and more suitable for the purchasing ability of electric bicycle consumers. Even though the proportion of lithium-ion batteries may increase in the future, lead-acid batteries will still play a dominant role in electric bicycle power batteries. To replace the dominant role of lead-acid batteries, lithium batteries still need to go a considerable way.

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