Will Lithium-ion Batteries Replace Lead-acid Batteries In The Future?
May 15, 2021
Lead-acid battery PK lithium battery
1. Weight
Lead-acid batteries weigh between 16 and 30 kilograms, which is relatively large. Lithium-ion batteries generally weigh 2.5-3.0 kg and are relatively small in size, so they are light and easy to carry.
The weight of a 60V20AH lithium battery is only 10Kg. The weight of a 60V20AH lead battery is 50Kg.
The result: lithium battery wins!
2. Cycle life
The lithium battery is fully charged and discharged more than 500 times. Lead-acid batteries are charged and discharged about 200 times (lead-acid batteries are not allowed to be fully charged and discharged).The average lifespan of lithium-ion batteries is about 4 years, which is about twice that of lead-acid batteries. If they can run 50 kilometers, they can run 40 kilometers in two years.
The result: lithium battery wins!
3. Performance and durability
Lead-acid batteries are durable and have strong skin, even if there is a problem, you can continue to use it with a little repair, but the conversion rate is not high, and charging is easy to heat up.
Lithium-ion battery is one of the important achievements of high-tech research in the past 10 years, and represents the advanced level of chemical power development. Lithium-ion batteries will undoubtedly become the mainstream technology route in the future. Nano-lithium titanate, the development and application of new materials, such as lithium iron phosphate, lithium-ion batteries will become an important choice for a series of high-tech applications such as clean transportation and photovoltaic energy storage. At room temperature, the lithium-ion battery can be charged continuously for 48 hours without any accidents such as battery expansion, leakage, or breakage, and the capacity remains above 95%, but the problem is not easy to repair.
The result: draw
4. Safety and environmental protection
Lithium batteries are completely pollution-free, but there are potential safety hazards(Explosion, but now the safety is greatly improved and more stable).Compared with lithium batteries, lead batteries are slightly safer, there is no substance inside that can cause an explosionand, but it have pollution, although the pollution is completely controllable (by recycling used batteries).
The result: draw
5. Price
Lead-acid batteries are less than one-third of the price of lithium-ion batteries. Although the lithium battery technology is relatively mature, domestic manufacturers have not yet reached the stage of low-cost research and development of lithium battery positive and negative materials technology. In the next three to five years, the price of lithium batteries will still be difficult to compete with lead-acid batteries. , To win consumer recognition.
The result: Lead-acid battery wins!
Conclusion:
Lithium-ion batteries are good, but lead-acid battery technology is constantly improving. As long as innovation is strengthened, performance is improved, and the energy and service life of lead-acid batteries are improved, lead-acid batteries still have their advantages compared to other batteries. If the price and recycling of lithium batteries can usher in a major breakthrough in the past two years, the replacement of lead-acid batteries by lithium batteries will be truly realized.