Is an electric car with a long battery life worth buying? Not worth it.
Of course, if you do not consider the cost, then the ultra-long endurance of electric vehicles can indeed bring a better experience of use, in theory, the longer the endurance, the better the sense of use, but the fact is that longer endurance means a higher car purchase budget.
Electric vehicles have a word called marginal effect, want to increase the endurance of 100km, you need more battery packs to promote, the endurance from 100km to 200km is simple, but from 600km to 700km it is difficult, need a larger battery pack to drag, because the power consumption will increase with the increase of self-weight.
I believe that for more people, it is completely impossible not to consider the car budget, more people buy a car or consider the car budget. So, for ordinary people, how long is the endurance of electric vehicles is the most suitable?
Unified approximate standard: 500km-600km can be.
The reason for this conclusion is that from the current technology, cost, product pile point of view, the main endurance performance of mainstream electric vehicles are in this range, enterprises can control the price, ensure performance, and control the endurance of electric vehicles between 500-600km.
Practical aspects.
500km-600km calibration endurance performance in daily use will inevitably have a loss, can be guaranteed to charge a week, according to the summer loss of 10%, winter loss of 15-20%, reserved 50-100km cruising range charging to calculate, then the summer full power can run more than 400km, winter can run more than 350km.
As long as you don't run a long distance, it is enough, of course, if you consider the long-distance car scene, then the electric car with a range of 700km can not cope, after all, the electric car is not a high-speed product.
The current technical direction, the energy density of the CTP battery pack in the Ningde era can reach more than 200Wh/kg, which means that the medium-sized electric vehicle equipped with an 80-degree electric battery pack does not need too much space, and at the same time, the quality of the 80-degree electric battery pack is also mature enough, and it will not consume too much electricity because it is too heavy.
Instead of increasing the weight of the battery pack and achieving the longest theoretical endurance, it is better to improve the charging speed and do a good job in charging the network.
At present, electric vehicle manufacturers use unified components of supporters, basically 80% of the power in 30 minutes, and it is an ideal situation of environment, temperature, humidity, etc., the charging speed is not fast enough, on the one hand, the battery technology restrictions, on the other hand, the equipment process, charging safety restrictions.
At present, this problem is difficult to overcome, after all, it is necessary to ensure temperature and safety.
For more electric vehicle manufacturers, the biggest problem is not in the whole car, but in the electric vehicle itself is a very much need to support the support, and the current environment is that the major manufacturers have not carried out a large number of charging pile construction, basically in the only care of selling cars, regardless of supporting charging.
In terms of charging system, Tesla has done the best, has laid the super charging station to Tibet, basically all the way there are charging piles, while charging speed is faster, which is a point worth learning, after all, the biggest problem of all electric vehicles is not battery life, but the charging problem after the power is gone.
If the future is an era when the map is opened and the fast charging pile can be found within 5km with ease, then the endurance of 500km is enough.