Since each module is 5.5 kWh and we have 16 of those in a 90KWh Tesla battery. Thus making it an 84kWh module. The battery pack has a central bus bar that connects each battery module with a contactor that feeds both the front and rear electric motors. It contains 16 modules, which are 7104, 18650 cells. the Model S P85’s battery pack has a capacity of 90 kWh and weighs over 530 kgs. The voltage of a Tesla’s battery pack is around 400 Volts and it is the single most heavy component, and all the different versions of the same cars might have a different battery pack, thus changing the weight and capacity of energy storage.įor Eg. As explained above, the battery pack is made up of up to 16 modules connected together in a series. Tesla makes a highly modular battery pack with high efficiency, reliability, and safety features. The flow diagram of an EV’s battery system is shown below: The design of an EV battery system requires knowledge and specialization of electrical, mechanical, and thermal engineering apart from material science and other domains. What is an Electric Vehicle’s Battery System?Ī battery system in an EV is the main energy storage system and the main constituents of it are cells. We will be digging deeper into the Electrical features and characteristics, the cell module, efficiency, protection features. We will majorly focus on the battery pack and briefly go through other topics such as Mechanical or thermal specifications. So, in this article, we will be discussing the Battery system of the Tesla Model-S. Tesla’s Model S is known for its longer range, faster acceleration, and dazzling speed, and the credit goes to the power electronics and the batteries systems. In the field of battery technology, Tesla is one of the renowned automakers and the 2013 Tesla Model S was named the ultimate car of the year by Motor Trend, touting it as the ‘ best car of the year’ in its entire publication’s history.
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