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Nissan and Eaton partner on second-life EV battery applications

Nissan and Eaton will partner to combine their respective expertise in lithium-ion batteries and power electronics respectively, to bring reliable and cost-competitive second-life energy storage and control technologies to the market.

The partnership will focus on creating commercially viable energy storage and control centers that will provide a sustainable second life for Nissan’s lithium-ion batteries after their automotive usage.

The first module to be deployed will combine second-life LEAF batteries with Eaton’s uninterruptable power supply (UPS) technology and solar PV to create a stand-alone energy storage and control package that will allow customers to manage energy consumption and supply, while connected to, or independent of, the grid.

The storage and control module will offer an affordable, long-term method for harnessing clean energy, further facilitating the deployment of renewable energy and increased grid stability and efficiency.

These systems will really facilitate the wider adoption and deployment of renewable generation; giving people greater control over their energy supply and consumption. The wide-ranging benefits of such a unit include continuity of supply, increased grid stability and efficiency, avoidance of peak energy tariffs and a reduction in the reliance on expensive fuels like diesel to compensate for no-grid or poor-grid situations.

—Cyrille Brisson, Vice President Marketing, Eaton Electrical EMEA

The partnership announcement was made during the United Nations Framework Convention on Climate Change (COP21), for which the Renault-Nissan Alliance is providing a fleet of two hundred 100% electric vehicles, including the best-selling Nissan LEAF, for participants.

The new Nissan LEAF 30 kWh has an extended range of up to 250 km (155 miles) on a single charge.

The LEAF’s new 30 kWh battery’s higher performance is a result of an update to its internal design and chemistry. The introduction of carbon, nitrogen and magnesium to the electrodes improves performance, while the change to the cell layout also contributes to the gain. the capacity will be covered by an eight-year, 100,000-mile warranty.



They are going to have lots of 24 kWh packs.


I wonder when this residual battery value will be factored into the price of electric vehicles. Presumably this value should lower the price of EVs which are still relatively high. On a side note, I wonder when someone other than Tesla will make further investment into battery manufacturing. I believe there is still a somewhat limited supply of EV batteries, regardless of whether the plants that exist are at full capacity, it is clear to me that costs and thus price cannot be lowered until such investment is made.


Nissan allows a $1000 for the LEAF pack replacement, which is mandatory. As the number of replacements increases, they might allow them to be used in the garage.

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