Reuse Electric Vehicle Batteries To Store Renewable Energy

Reuse electric vehicle batteries to store renewable energy

When the batteries in electric vehicles have reached their useful life, they have to be replaced because they will start to experience a loss of energy that will result in reduced performance of the vehicle. But these old batteries are not finished yet, far from it, although they did not have a second use before, now they will. Carmaker Daimler recently announced that it plans to connect the old lithium-ion batteries to the grid in Lünen, Germany.

These used batteries are going to go to the world’s largest storage facility, made from reused electric car batteries. The system will allow the renewable energy generated in that area to be stored and returned to the grid to even out the energy fluctuations that could occur if, for example, those same generating sources were out of service due to equipment failures, cloudy days, or a drop in wind power generation. Generally, additional burning of fossil fuels is required to stabilize the system.

When this new facility is in operation, according to forecasts in 2016, the system will have a storage capacity of 13 MWh.

Reuse electric vehicle batteries to store energy

Today, electric car manufacturers guarantee a battery life of up to 10 years. But those batteries, even if they have lost performance, still work perfectly. The loss of capacity of these batteries is mitigated in these storage facilities. Used batteries are estimated to be able to function efficiently in a stationary application for at least another ten years.

The batteries will be joined in groups of 46, each group providing 600kWh of power. It will have a water cooling system.

After their second use, the batteries will be recycled by a specialized company.

Second life for electric car batteries

Daimler isn’t the first company to think about this – earlier this summer, GM showed off five sets of battery installations using old Volt car batteries. But Daimler’s efforts appear to be going more serious.

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