1、Tesla Car Technology Presentation bySyed Furqan Rafique（舍耶特） Tesla Car TechnologyAgendaIntroductionSpecialty of Tesla MotorsSuper charging capabilityFastest Battery SwappingTesla innovations in its EVs Exquisite Interior Safety standardsFuture of EVsReferencesIntroductionIntroductionTesla Motors, In

2、c.is an American company that designs, manufactures, and sellsElectric Vehicles.Get attention with its famous and fully electric sports car Tesla Roadster.ContinuedAward winning Tesla Model S , a fully electricluxury sedan, and its next two vehicles are the ModelsXand3. Specialty of Tesla Technology

3、60 kWh microprocessor controlled, lithium-ion batteryThree phase, four pole AC induction motor with copper rotor.Drive inverter with variable frequency drive and regenerative braking system.Tesla starts with thousands of best-in-class Lithium-ion cells and assembles them into a liquid-cooled battery

4、 pack, wrapped in a strong metal enclosure. The battery is optimized for performance, safety, longevity, and cost.Super charging capabilityThe Supercharger is a proprietary DC rapid-charging station that provides almost 100kW of power, giving 85kWh vehicles an additional 150mi (240km) of range in ab

5、out 30 minutes.Innovative Battery Swapping Tesla designed its Model S to allow fast battery swapping, which also facilitates vehicle assembly. In June 2013, Tesla announced their goal to deploy a battery swapping station in Tesla stations. At a demonstration Tesla showed a battery swap operation tak

6、ing just over 90 seconds, about half the time it takes to refill an empty gas tank.Panoramic view of Tesla Supercharger rapid charging station in Tejon Rench, California. Tesla Innovations in EVsBattery life optimization Number of factors limit the battery service life Number of charging cycle that

7、battery subjected to.Rate of charging (slow Vs fast charge).Level of charging i.e. 75% of full charge ,full charge or over charge.Level of discharging before charge i.e. completely depleted ,still charge or full charge.Internal temperature during use and nonuse as well as mechanical and chemical ins

8、tability. 1. Rigid cell separation from avoiding thermal runaway Lithium ion battery have problem of thermal runaway hence the spacer assembly maintain the position of cells within battery ensuring the cooling system works well all the time.Patent # US2013078494A12. Vehicle battery pack thermal barr

9、ierIntegrated thermally mounted assembly for battery pack located between floor panel and driving surface that provide noise isolation ,thermal isolation and vibration damping as well as hard enough in case of accidents.Patent # US2013153317A13. Battery humidity control Control the humidity of the b

10、attery pack using selective removal of water vapour by using desiccant chamber .Patent # US8247097B14. Cell failure indication within Battery packMonitor the electrical isolation resistance with in the battery in order to check the cell failure from thermal runaway.Patent # US2013049971A15.Battery p

11、ressure monitor for thermal eventsUse sensors within battery pack to check the pressure within the cells due to thermal runaway and check the data results with preset values.Patent # US2013260192A16. Set DC charge current Conventional on board charger in EV are usually charged via battery charger re

12、quest to use DC charge current from the outlet and cant use the full AC wall power that is the drawback in charging .Patent # US2012091953A17. Range Extender OptionUse an extra fuel engine to charge the battery if fall below level of particular charging percentage.Patent # US2013066506A18. Control D

13、ual motor drive systemCheck the speed of the back wheels using a sensors and adjust the torque provided by each motor in order to minimize wheel slip. Patent # US2013241445A19. Fast charge mode for extended tripMethod implemented in the vehicle for early identification of fast charge station and prepare battery cells for fast charge.Patent # WO2014070654A1Tesla Model S Exquisite Innovative InteriorSafety Standard On August 19, 2013, based on NHTS