22 Years' Battery Customization

Tesla: Successfully developed the world's most advanced large lithium-ion battery

Feb 27, 2019   Pageview:702

In the development of electric vehicles, Tesla Model3 is a monumental existence. Since Tesla introduced the first generation of Model3, the development of electric vehicles has reached a new peak. Recently Tesla engineers began to iterate on Model 3's battery technology.

 

The already exposed photos and videos show the new battery structure of the Model3, and Tesla reduces the weight of the battery pack by transferring battery protection from the battery compartment to the body structure.

 

Compared to the model S, Tesla successfully reduced the wires on the Model3 to 1,500 meters. The ModelS has 3,000 meters of wires for connecting the drive unit, charging port, air conditioner and heater. Tesla uses aluminum alloy high voltage cable. It is twice as light as copper wire, which is another innovation of Tesla.

 

The Model3 battery pack is 2.5 inches (64 mm) shorter than the ModelS battery pack and has the same capacity of 75 kWh.

 

In addition, each module groups cells into 46 cells (cylinders), shorter modules have 23 cells, and longer blocks (centers) have 25 cells each, each module has its own BMS circuit.

 

Model 3 battery modules are tightly concealed in hard plastic and bolted to high-strength steel bodies to ensure the safety of batteries and related electrical and electronic systems.

 

The new battery pack is 15% lighter than the old battery and 6% lighter than the most advanced Tesla P100D battery pack, and its energy consumption is increased by 30-33% compared to the previous generation of battery. This is the most advanced large-scale lithium-ion battery produced in the world to date, and is one year ahead of any current product.

 

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