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Since 2023, the electric vehicle industry has paid great attention to sodium batteries, and in 2024, as major brands increase the layout of sodium batteries, car owners are very promising to replace sodium batteries, and sodium batteries are currently lithium battery substitutes for electric vehicles. Which is cost-effectiveLet's take a look.
Since the current Yadea, Tailing, and Xinri are equipped with sodium batteries, all of which are 48V, and 48V belongs to the new national standard electric bicycle, which is also the most mainstream electric vehicle, and 48V is equipped with 20Ah capacity is the most common, today with 48V20Ah specifications, to compare sodium batteries and lithium batteries, how much is the difference between battery life and **.
Because the new national standard electric vehicles are equipped with small-capacity batteries, many car owners have endurance anxiety, especially lead-acid batteries, and lithium batteries and graphene batteries will be better than lead-acid batteries in terms of energy density, therefore, the relative endurance will be better.
Tailing previously launched a first love EB super sodium electric version, the car is equipped with a 48V20AH specification of sodium battery, according to ** report, from the official data, the car at a temperature of 8 temperature, at a speed of 25km h, full speed range of about 115 km.
So, how much can the battery life of a 48V20Ah lithium battery electric vehicle achieve, for a more accurate comparison, also take the Tailing series model as an example, find a 48V24Ah capacity battery, which has a range of 85 kilometers. Converted to the range of 48V20Ah lithium battery, it is equal to about 85 24 20 70 km.
In addition to low temperature resistance, endurance, car owners are also generally concerned, after all, lithium batteries are good, but they are indeed too expensive, so that it loses the opportunity to replace lead-acid batteries, and it is difficult to become the preferred battery for many electric vehicle users, so, how about sodium batteries, how much is the difference between the two?
Although the popularity of sodium battery is not high now, its cost has not been compressed to the minimum, but it is also sold online, taking 48V24AH specifications as an example, the sales ** is 1105 yuan.
Next, take a look at lithium batteries, taking a battery from Xingheng as an example, it is also a specification of 48V24Ah, and its reference ** is 1278 yuan.
Judging from the selling price on the Internet, there is not much difference between the two, basically about 100 yuan, and sodium batteries** are lower than lithium batteries.
*, battery life is an important factor in cost performance, through the above two points can be seen, 48v20ah sodium battery life is longer than lithium battery, and ** cheaper than lithium battery, cost performance will be higher.
Of course, there are many more cost-effective, such as low temperature resistance, life, and safety.
First of all, low temperature resistance, sodium batteries can withstand low temperature 20, with a capacity attenuation of about 93%, while minus 10, battery life is 99%, almost no discount, and lithium battery types are different, with 20% 10% capacity attenuation.
Speaking of life, taking the number of cycle charge and discharge as an example, high-quality sodium batteries and lithium batteries can be charged and discharged more than 2,000 times, regardless of whether they are up or down.
Finally, according to insiders, the internal resistance of sodium batteries is higher than that of lithium batteries, and in safety tests such as short circuits, sodium batteries generate less heat, while the thermal runaway temperature is about 260, while lithium batteries are about 165, which means that the safety of sodium batteries will be higher than lithium batteries.
Based on the above analysis of battery life, low temperature resistance, life and safety, small experts can conclude that compared with 48V20Ah sodium batteries and 48V20Ah lithium batteries, I think 48V20Ah sodium batteries will be more cost-effective. So, what would you choose? Comments and exchanges are also welcome.