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French group develops mass electric car charging stations.
PARIS A consortium of companies led by French Bouygues construction company has developed an old battery electric car charging based system to smooth power demand when tens of charging cars simultaneously.
A typical charging station of popular self-service rental cars Paris Autolib has taken four to five charge each are not more demand on the power grid of an average home.
But imagine a company or institution where dozens of employees arrive in the morning and start every recharge their cars at the same time that would put enormous pressure on the building's power network and force it to update its electrical connections .
The Eco2charge group, which also includes the automaker Renault, electrical engineering group Alstom and cable manufacturer Nexans has developed a charging system that assembles the old electric vehicle batteries in an energy storage bank can absorb electricity at night and gradually loading vehicles during the day.
The project, which has 13 million € 16 8 million budget, has been tested in two Bouygues and Renault drivers and websites the group aims to sell office buildings, parking lots, campus and other sites where electric cars can park fleets.
In one year, we will have a commercial offer, Bouygues Energy and Director of Lacire services Servan said, adding it was too early to say how the system would cost.
For storage, Eco2charge will use lithium-ion batteries for electric vehicles at the end of life Renault, which sells electric cars, but leases the batteries to their owners, owns and manages some 47,000 batteries from four different models.
Once the batteries have lost 20 to 25 percent of their load capacity, they are no longer used in cars, but still load power enough for storage of fixed energy.
It is a very cheap form of storage, such as the cost of batteries has been removed for use in the vehicle, said Thomas Orsini, head of business development for electric vehicles at Renault.
The charging system works for all brands, not just Renault, he added.
The automaker is also seeking to develop utility scale energy storage systems, which bring together up to 50 recycled car batteries in a container for use with large solar power plants or wind farms.
The system could also be part of a network-wide system demand an answer, and in the future it should also be possible not only temporarily stop the supply from the network, but also to return to power in she sometimes peak demand.
Nexans Alain Robic said the stations will be modular like Lego blocks so that companies can install anything from a half dozen to 100 or more.
Public services across Europe are keen to encourage the use of electric cars as they see it as a way to boost energy demand, which has been flat or declining due to the economic crisis and a greater energy efficiency.
IHS Automotive estimates that in 2014, the automakers are going around the world to produce battery electric vehicles more than 217,000, or 0 25 percent of a forecast of global production of 87 7 million vehicles, up nearly one million electric vehicles, or 0 9 percent a forecast 104 million vehicles by 2020.
Through Paris, Autolib operates about 2,500 vehicles and nearly 900 charging stations it has several competitors, including Wattmobile, which opened a new charging station in the French capital on Thursday.
Additional reporting by Laurence Frost; Editing Crispian Balmer.
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