Second-life EV batteries help new electric vehicles recharge on the road

By Lorna Sharpe, 2017-10-01 05:52:36

The E-Stor technology developed by Connected Energy uses second-life batteries from Renault electric vehicles (EVs). With this system, the batteries are recharged at low power and the stored energy is then released at high power. This makes it possible to offer EV charging services in locations where constructing a high-power connection to the power grid would be very costly.

It is hoped that the system will contribute to the development of a network of quick-charging stations across Europe.

Electric vehicle batteries generally have a service life of eight to ten years before their performance degrades to the point where they need to be replaced. However, they still have substantial capacity for further use in stationary applications, so it makes sense to find suitable applications that will take advantage of this extended life before recycling.

To optimise this complete life cycle, Renault operates a battery rental scheme for the customers of its electric vehicles. It aims to reuse these batteries for stationary energy storage, working with partners to offer products for applications ranging from individual homes and multiple-unit residences to industrial sites.

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