How large is the Tesla battery capacity? How big is the difference between BYD and Tesla batteries? As countries become stricter about car emissions, new energy vehicles have become the "meat and potatoes", the development of electric vehicles in various countries have caught the wind, led by Tesla's new energy vehicles began to take the lead in the future development of cars. China's new energy vehicle development momentum is also quite outstanding, led by BYD's independent brands began to launch a number of new cars, in sales performance is also getting better.
How big is the capacity of Tesla battery?
The current capacity of the Tesla battery is 83Kw/h, in preparation for the future technology monopoly, the power exchange becomes a natural choice, the lithium-air battery energy density of up to 3500Wh / h.
Tesla uses 18650 battery produced by Panasonic, after the Model3 is officially put into production, the new 21700 battery will replace 18650 as the new battery cell. 21700 battery is a ternary lithium battery, the cathode material is lithium nickel cobalt aluminum acid. This cylindrical ternary battery is currently the highest energy density power battery solution. Compared to square-shaped batteries, such batteries have high energy density but are less stable and need to be supported by a more excellent BMS.
The Tesla Model 3 has a more advanced battery. The ModelS uses Panasonic 18650 cells, while the 21700 cell battery pack is used instead on the Model 3 with increased energy density and a battery capacity of 80kWh. The Tesla Model 3 new energy vehicle is designed with safety in mind, aiming for the highest ratings in all types of safety tests. the Model 3 has a combined range of 354-498km.
The latest data shows that the Tesla Model 3 battery significantly reduced the cobalt content while improving the nickel content, 2710 lithium battery cathode using a nickel-magnesium-cobalt ratio of 8:1:1. We know that cobalt mainly plays a role in improving electrical conductivity and multiplier performance, while the main role of nickel is to improve energy density, but too high will be detrimental to thermal stability, so they are still inclined to high energy density of this battery. As for the issue of thermal stability, Tesla's advantage in the energy management system to play.
How big is the gap between BYD and Tesla batteries?
Tesla's battery is not a battery plate, but a large battery with more than 7000 small cells arranged closely together. Tesla uses Panasonic's lithium cobalt acid battery, which has a relatively high density, and more than 7000 cells are arranged together to store more power and effectively improve Tesla's range. Each small battery uses an independent fuse, but also to enhance the safety of.
BYD is originally a battery manufacturer, BYD although the range is not as good as Tesla, but the battery is more reliable. BYD uses inexpensive lithium phosphate batteries and ternary lithium batteries, this battery although the range is not high enough but the cost is reduced charging speed is very fast. Compared to Tesla and BYD's battery is really a heaven and a ground, Tesla expensive reason.
BYD in the battery pack is independent research and development, lithium iron phosphate battery is BYD's masterpiece, but because of its battery characteristics, can store less power than Tesla, and if you want to increase the range of the vehicle, then the weight of the battery pack will also increase significantly, for the range and will have side effects, so BYD's electric car range compared to Tesla there is a gap.
After comparing the two new energy car companies, many owners said that Tesla just look more high, and the price can not be grounded in the country, on the contrary, BYD's new cars are very cost-effective, and progress is also very big, and the gap with Tesla continues to narrow, while also allowing more people to drive domestic electric cars.
Excellent battery technology is one of the important reasons why Tesla can achieve today's results, Tesla is still continuing to develop its own battery technology, and after the launch of Tesla's new battery, it will inevitably cause greater challenges to other battery production plants.
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