Per què Tesla no farà mai canvis de bateria?

Among so many manufacturers of pure electric vehicles in the world, the "battery swap mode" seems to be the most popular among Chinese manufacturers. Even the national policy is tilting towards the power-swap model. Even in the subsidy policy in 2020, it is clearly pointed out that there is no subsidy for pure electric vehicles with a price of more than 300,000 yuan, except for models in the battery swap mode.

A més, el Ministeri d'Indústria i Tecnologia de la Informació i l'Administració Nacional d'Energia també han començat a impulsar el model d'intercanvi de bateries. NIO, Geely Automobile, Changan Automobile, CATL i proveïdors de bateries també han començat a desplegar intercanvis de bateries.

However, it seems that foreign car brands are not interested in the battery swap mode. Tesla, Mercedes-Benz, BMW, Audi's pure electric vehicles do not support battery swapping. So why doesn't Tesla think battery swapping is a good model?

To answer this question, we must first figure out why we "change the battery"!

【1】What are the benefits of changing batteries?

En poques paraules, hi ha molts avantatges de canviar la bateria. En primer lloc, la vida útil dels vehicles elèctrics purs es pot allargar substituint la bateria. En segon lloc, pot millorar la taxa de conservació dels vehicles elèctrics purs. En tercer lloc, també podeu reduir el preu del model mitjançant el mode d'intercanvi de bateria i la bateria es pot llogar en lloc de comprar-la. En quart lloc, pot augmentar la velocitat de reposició d'energia.

With so many benefits, why doesn't Tesla do battery swaps?

2 Why doesn't Tesla do battery swaps?

Why doesn't Tesla do battery swaps? To put it simply, Tesla's cars have achieved similar effects as battery swaps without supporting battery swaps. We will know the benefits of the power exchange mentioned above one by one.

En primer lloc, canviar les bateries pot allargar la vida útil de la bateria. Segons dades professionals, Tesla encara té al voltant del 90 per cent de la capacitat de la bateria del seu cotxe elèctric després de conduir 320,000 quilòmetres. És a dir, la taxa de caiguda de la bateria té poc efecte en la majoria dels consumidors normals. Als Estats Units, un cotxe se sol abandonar al cap de 320,000 quilòmetres, mentre que el nombre de quilòmetres desballestats a Europa és de 240,000 quilòmetres. Tesla diu que els seus paquets de bateries estan dissenyats per durar més que el propi cotxe i, fins ara, cap usuari s'ha vist afectat per la durada de la bateria, de manera que és possible que els consumidors mai s'hagin de preocupar per comprar un cotxe elèctric i haver de substituir la bateria El problema.

Second, battery swaps can improve the value preservation rate of pure electric vehicles. There are many factors that affect the value of a car. At present, in China's pure electric vehicle market, the highest value preservation rate is precisely Tesla, which cannot be replaced. Instead of Weilai, which can exchange electricity. why? To put it simply, the value retention rate depends on the brand, the amount of ownership, the quality of the model, the condition of the car, and the result of a comprehensive judgment. At present, whether in terms of brand or ownership, Tesla still has a great advantage. Therefore, the effect of power exchange on improving the preservation rate is not large.

Third, the price of the model is reduced through the battery swap mode, and the battery is rented instead of bought. This is also the way NIO used it for the first time. And Tesla's way seems simpler and more straightforward. It is to launch relatively cheap models such as model 3, and then through the manufacturing process, for example, the body-in-white of model Y uses an integrated die-casting rear bottom plate. The integration of 70 parts of the rear floor can be realized, and the traditional production process of welding the rear floor can be omitted, so that the production time and cost are greatly reduced.