Cadillac Converj Concept

Concept Cars 13 Jan 2009
Cadillac Converj Concept

The Cadillac Converj concept is a 2+2 luxury coupe that showcases GM’s Voltec electric propulsion technology with electric drive and range extender and adopts the bold design language typical of the brand.


Cadillac Converj Concept Exterior RenderingThe Voltec electric propulsion technology enables up to 40 miles of gas- and emissions-free electric driving with extended-range capability of hundreds of miles.

Design

_Cadillac Converj Concept The body style is an evolution of the brand’s traditional Art and Science design theme.

An aggressive, forward-leaning arc profile is the foundation for the sporting stance.

Bob Lutz, GM’s vice chairman of Global Product Development, explains “An aggressive, forward-leaning profile hints at a new, progressive theme and proportion in Cadillac’s design evolution.

"The new proportion showcases a uniquely shaped, modern vision of a personal luxury 2+2.”

The overall shape is reinforced by a prominent, sweeping body line with large, 21-inch (front) and 22-inch (rear) wheels pushed to the edges of the body.

The Converj exterior is painted a dark silver tri-coat dubbed “Reaction.”

An all-glass roof incorporates solar panels that help offset power drain from the vehicle’s accessories. Additionally, several aerodynamic and design efficiencies were incorporated to enhance the driving range, including:

  • Cadillac Converj Concept Exterior RenderingA full under-vehicle cover (belly pan)
  • Minimal grille openings that reduce drag at the front of the vehicle
  • Low-profile rearview cameras replace conventional outside mirrors to reduce drag
  • Wheels are shaped to push air outward for smoother body side airflow

The Converj also incorporates vertical headlamp and taillamp elements, with light pipe technology.

“Vertical lamps are Cadillac signatures and the Converj builds on the brand’s light pipe technology with bolder light emitting diode (LED) and high-intensity discharge elements front and rear,” said Clay Dean, global design director for Cadillac. “There is also a unique daylight light ‘spear’ at the top of the headlamps.”

Cadillac Converj Concept Exterior Rendering Cadillac Converj Concept Exterior Rendering

Technology

Cadillac Converj Concept CutawayThe Cadillac Converj’s Voltec electric propulsion system is made up of a 16-kWh, T-shaped battery, an electric drive unit, and a four-cylinder engine-generator. It uses electricity as its primary source to drive the car.

A thermally managed battery pack contains more than 220 lithium-ion cells that provide the primary power to drive the Converj electrically up to 40 miles without using fuel or producing tailpipe emissions. The battery is integrated into the Converj’s chassis and stores electricity from the grid when the vehicle is plugged in. It takes less than three hours to recharge the battery at 240V, or about eight hours from a 120V outlet.

When the battery’s energy is low, the Converj seamlessly switches to extended-range mode. During this secondary level of operation, electricity needed to power the vehicle is created on-board by a flex-fuel-powered engine that operates much like a home generator to create electricity.

Cadillac Converj Concept Exterior RenderingThe engine-generator ensures a constant supply of power for hundreds of miles until the car is refueled or plugged in to recharge the battery. This extended-range mode eliminates the range anxiety that comes with driving pure electric vehicles that offer no backup power when the battery charge is low.

Whether in electric or extended-range mode, the Converj is propelled all the time by an electric drive unit. It converts electrical energy from the battery or the engine-generator into mechanical energy to drive the front wheels. It also delivers 273 lb.-ft. (370 Nm) of instant torque and 120 kW of power. The top speed is 100 mph.

To enhance the ride feel, the Converj also features GM’s Magnetic Ride Control; to increase efficiency, energy during braking is captured and stored in the battery.

Interior

Cadillac Converj Concept InteriorThe Converj’s interior has a 2+2 configuration which is trimmed in contrasting Winter White synthetic suede – including the top of the instrument panel – and Midnight Black leather, with polished aluminum and wood grain accents.

Renewable materials are used throughout such as wool-blend carpeting, a headliner made from silk, suede made from post-industrial content and more.

An advanced driver center increases efficiency and reduces the draw on the battery.

Features include:

  • Cadillac Converj Concept InteriorOrganic light-emitting diode technology used on reconfigurable instrument cluster
  • Touch-screen navigation, climate, center-stack controls and audio systems
  • Adjustable, overhead white ambient lighting
  • Unique “power on” sequence featuring blue-lit console graphics
  • Screen displays for features including regenerative braking, battery charge level and power output
  • No inside rearview or outside mirrors; cameras provide surrounding images on a screen placed high on the instrument panel for a full, panoramic view
  • Push-button ignition and power-folding front seats
Cadillac Converj Concept Interior Cadillac Converj Concept Interior

Technical Specifications

Vehicle type:

2-door, front-wheel-drive 2+2 coupe

Category:

extended-range electric vehicle

Chassis:

independent McPherson struts, front magnetic ride, compound crank twist axle rear, four-wheel disc brakes, full regenerative brakes to maximize energy capture, electric power-assist steering

Seating capacity:

four

Performance
Top speed (mph / km/h):

100 / 161

EV range, city and highway (miles):

Up to 40, based on EPA cycle

Dimensions
Wheelbase (in / mm):

108 / 2742

Length (in / mm):

182 / 4620

Width (in / mm):

74 / 1883

Height (in / mm):

55 / 1386

Tire size:

specially developed low rolling resistance tires on 21- and 22-inch forged aluminum wheels

Battery System
Type:

lithium-ion (w/ liquid-controlled thermal management system)

Energy (kWh):

16

Charge time:

Less than 3 hours at 240V/8 hours at 120V

Electric drive unit
Power (kW):

120

Torque (lb-ft / Nm):

273 / 370

Cadillac Converj Debuts At Detroit Cadillac Converj Debuts At Detroit

(Source: Cadillac)

Image Gallery

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