The Rolls-Royce 102EX, also known as the Phantom Experimental Electric (EE), is a one-off electric prototype version of the Rolls-Royce Phantom VII. It was created by Rolls-Royce to gauge the response of customers and other stakeholders to an electric Rolls-Royce. The 102EX was unveiled at the 2011 Geneva Motor Show. [1]
Rolls-Royce 102EX | |
---|---|
Overview | |
Also called | Rolls-Royce Phantom Experimental Electric |
Production | 2011 (prototype) |
Powertrain | |
Electric motor | 290 kW (389 hp; 394 PS) |
Battery | 71kWh, Lithium-Nickel-Cobalt-Manganese Oxide |
Electric range | 120 mi (193.1 km) |
The 102EX is powered by two UQM-supplied [2] synchronous permanent-magnet electric motors mounted on the rear sub-frame. [3] Each of these motors are power rated to 145 kW for a maximum system output of 290 kW (389 hp). [1] Maximum torque output is 800 N⋅m (590 lb⋅ft). [1] Power is transmitted to the rear wheels by a 1-speed Xtrac transmission with integrated differential. [4]
These motors are fed by a 71 kWh battery pack which is composed of 96 NCM [note 1] cells. [1] These cells are placed in the space occupied by a standard Phantom's engine and gearbox. Peak battery current is 850 amperes delivered at 338 volts (DC). [1] The cells were manufactured by Dow Kokam, [5] [6] which Scottish firm Axeon assembled into a battery pack. [5] Electric drivetrain integration was carried out by Lotus Engineering. [7]
The battery pack is charged by 3 separate 3 kW charger units which allow for a minimum charging time of approximately 8 hours. [1] Alternatively, the Phantom is also fitted with an induction charger which allows the car to be charged wirelessly. [1]
The 102EX is differentiated from series production Phantoms visually. It is painted in "Atlantic Chrome" silver which uses ceramic nano-particles to increase the reflectivity of the paint. [1] It is fitted with red "double-R" badges, which Rolls-Royce uses to denote its experimental vehicles. [1] The Spirit of Ecstasy is made of Makrolon polycarbonate and is illuminated by blue LED light. [1] The fuel filler cap features a glass window, allowing one to see the five-pin socket used to charge the 102EX. The interior and luggage compartment use "Corinova" leather. This is a type of leather that is vegetable tanned, as opposed to chrome tanned like ordinary Phantom leather.
The Phantom was well-received by automotive journalists. [3] [4] [5] [8] [9] [10] [11] Reviewers praised the exceptional refinement afforded by the 102EX's quiet powertrain, while some also felt that ride quality had been improved over the standard Phantom.
Rolls-Royce revealed in 2012 that customer reaction to the 102EX had been lukewarm. [12] [13] [14] While the 102EX's refinement had been praised, customers took issue with the car's limited range and long charging times. [12] [13] Some also felt that the absence of a V12 detracted from the car's specialness. [13]
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