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Chevrolet Volt
GM is predicted to sell a total of 50,000 cars with electrification technologies this year

General Motors is looking to take huge strides in the way of electric vehicles (EV) and electric batteries: it wants to produce 500,000 EVs per year, and it wants to use Chevrolet Volt batteries to power homes during blackouts.

According to GM, it wants to sell 500,000 vehicles equipped with its electric technologies (plug-ins, EVs, hybrids) annually by 2017. If GM is able to do this, EVs would make up 5.5 percent of its total annual sales.

This is a pretty big jump considering GM is predicted to sell a total of 50,000 cars with electrification technologies this year.

GM is taking EVs very seriously, and is proving that by focusing on its next generation propulsion technology that is currently powering the Volt. GM is looking into new ways of using extended-range electric vehicle (EREV) technology.

Speaking of the Volt, GM is looking to use the EV's battery pack in an innovative way: powering homes in the event of an outage.

GM partnered with automation and power technologies company ABB Group as well as Duke Energy to find useful applications for EV batteries after they've been exhausted in vehicles.

The end result was a unit that contains five Volt lithium-ion battery packs that can provide two hours of electricity to three to five U.S. homes during a blackout. According to GM, the unit can provide 25 kilowatt hours of power and 50 kilowatt hours of energy.

"This is an industry first to be able to do secondary automotive batteries in a grid-based application," said Pablo Valencia, GM's senior manager of battery lifecycle management.

GM said the battery could last 10 years on the road and another 10 years as part of the power unit for blackouts.

Duke Energy is looking to install the unit in a North Carolina neighborhood for testing in 2013.

Source: The Detroit News

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RE: I'm ready
By havoti97 on 11/15/2012 9:30:56 PM , Rating: 1
Dude, power x time = energy, ie Kw*hr

Kw/hr is a unit of power per time

RE: I'm ready
By avxo on 11/16/2012 6:10:25 AM , Rating: 2
Let's take a step back:

The watt is a unit of power, and measures the rate of energy transfer. It is defined to be equal to 1 Joules per second.

A watt-hour (W•h) is a unit of energy. It tells you how much energy something consumes.

Watts per hour (W/h) is a unit of change of power per hour.

RE: I'm ready
By HoosierEngineer5 on 11/16/12, Rating: -1
RE: I'm ready
By Mint on 11/16/2012 2:55:50 PM , Rating: 2
Why on earth are you blaming GM instead of Tiffany?

RE: I'm ready
By poi2 on 11/16/2012 3:07:56 PM , Rating: 2
Because GM stands for Godzilla Mobster

RE: I'm ready
By avxo on 11/16/2012 7:23:42 PM , Rating: 2
Regardless, I wouldn't buy anything from a company that measures power in kilowatt-hours. They have no clue as to what they are talking about.

But they aren't measuring power - they are measuring energy. It's sad to see an engineer (any kind of engineer) who doesn't know the difference between power and energy...

For measuring energy, kW·h is a perfectly appropriate unit. It's true that kW·h isn't the usual metric for batteries (which are described in terms of Ampere Hours) to account for the fact that voltage varies during discharging, making the conversion to kW·h approximate.

But considering that all the electrical utilities I know use kW·h for the amount of "electricity" people use, using it in this context makes perfect sense.

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