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GM Upgrades Volt, Shows New Bolt EV

January 13, 2015 in batteries, Companies, Electric Drive, EVs, Hybrids by Rich Piellisch  |  No Comments

50 Miles Battery Range and Regular Gasoline for 2016 Volt,
New 200-Mile, All-Battery Chevy Bolt EV to Sell for $30,000

GM’s Chevrolet Volt for 2016 will have new LG battery chemistry affording an all-electric range of about 50 miles while its range-extending engine will accept regular gasoline. The new all-battery Chevrolet Bolt for 2016 will have a range of about 200 miles and will sell for about $30,000. updated January 14

With two drive motors and new lithium battery chemistry, the Chevrolet Volt for 2016 is to have an all-electric range of 50 miles. Its 1.5-liter range-extending engine will accept regular gasoline. GM is also touting 'a sleeker, sportier design' with better acceleration.

With two drive motors and new lithium battery chemistry, the Chevrolet Volt for 2016 is to have an all-electric range of 50 miles. Its 1.5-liter range-extending engine will accept regular gasoline. GM is also touting ‘a sleeker, sportier design’ with better acceleration.

The new-model Volt and the all-new Bolt concept crossover are being shown at the North American International Auto Show, which opened this week in Detroit.

“We established a precedent when the original Voltec propulsion system debuted and this newest iteration sets the EV technology bar even higher,” vehicle chief engineer Andrew Farah said in GM’s 2016 Volt release.

Better Battery Chemistry

“Volt owners complete more than 80% of their trips without using a drop of gasoline and they tell us they love the electric driving experience,” Farah said. “Putting that experience at the center of the new Voltec system’s development helped us improve range.”

The 2016 Chevrolet Volt is to feature an all-new 'Voltec' propulsion system made up of lithium ion battery, two-motor drive unit, 1.5-liter range-extending engine, and electronic controls.

The 2016 Chevrolet Volt is to feature an all-new ‘Voltec’ propulsion system made up of lithium ion battery, two-motor drive unit, 1.5-liter range-extending engine, and electronic controls.

The Voltec system includes the Volt’s battery, drive unit, range-extending engine and power electronics.

The 2016 Volt will have an 18.4-kilowatt-hour liquid-cooled battery system featuring revised lithium ion cell chemistry developed in conjunction with LG Chem. Overall system storage capacity has increased, GM says, but the number of cells has decreased from 288 to 192. “The cells are positioned lower in the pack for an improved (lower) center of gravity and the overall mass of the pack is 21 pounds (9.8 kilograms) lighter,” the automaker adds.

Two Motors (by Hitachi), Better Acceleration

The next-generation Volt’s two-motor drive unit likewise delivers increased efficiency and performance, GM says, operating up to 12% more efficiently and weighing 100 pounds (45 kilograms) less than the current system.

The new, 100% battery electric Chevrolet Bolt for 2016 is to sell for some $30,000 and have a single-charge range of about 200 miles.

The new, 100% battery electric Chevrolet Bolt for 2016 is to sell for some $30,000 and have a single-charge range of about 200 miles.

“Both motors operate together in more driving scenarios, in both EV and extended-range operation,” GM says. “The ability to use both motors helps deliver a 19% improvement in electric acceleration from zero to 30 mph (2.6 seconds) and a 7% improvement from zero to 60 mph (8.4 seconds).”

GM says too that its engineers designed the Voltec electric motors to use significantly less rare earth materials, and that one of the motors uses no rare earth-type magnets at all. The motors for the new Volt are to be manufactured by Hitachi.

The 2016 Volt boasts an “expressive, sleek design” too, GM says, as well as a stronger body structure and a quieter ride.

‘Pillar of Future Transportation’

The new Chevrolet Bolt, displayed as a concept crossover vehicle at NAIAS, represents GM’s vision for “an affordable, long-range all-electric vehicle designed to offer more than 200 miles of range starting around $30,000.”

“The Bolt EV concept is a game-changing electric vehicle designed for attainability, not exclusivity,” GM’s incoming CEO Mary Barra said in the Bolt announcement. “Chevrolet believes electrification is a pillar of future transportation and needs to be affordable for a wider segment of customers.”

Mary Barra, who takes over as GM CEO effective tomorrow, January 15, talks with media after introducing the next-generation Chevrolet Volt and the Chevrolet Bolt EV concept vehicle on Monday, January 12, at NAIAS 2015 in Detroit. photo by John Martin for Chevrolet

Mary Barra, who takes over as General Motors CEO effective tomorrow, January 15, talks with media after introducing the next-generation Chevrolet Volt and the Chevrolet Bolt EV concept vehicle on Monday, January 12, at NAIAS 2015 in Detroit. photo by John Martin for Chevrolet

Bolt drivers will be able to select operating modes designed around such preferred driving styles as daily commuting and “spirited weekend cruising,” GM says. The modes adjust accelerator pedal mapping, vehicle ride height and suspension tuning.

‘Tremendous Strides’

“We have made tremendous strides in technologies that make it easier and more affordable for Chevrolet customers to integrate an all-electric vehicle in their daily lives,” said Barra. “The Bolt EV concept demonstrates General Motors’ commitment to electrification and the capabilities of our advanced EV technology.”

The Bolt EV is to be built with lightweight material and is being designed to support DC fast charging.

The NAIAS 2015 press preview began yesterday and continues today. The industry preview is January 14-15, and the Cobo Hall event is open to the public January 17-25.


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Source: GM with Fleets & Fuels follow-up

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