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NNA, ABB to test used EV battery packs for energy storage

ABR Staff Writer Published 20 January 2012

Nissan North America (NNA) has teamed up with ABB, 4R Energy and Sumitomo Corporation of America, to test used lithium-ion electric-vehicle battery packs that power the Nissan LEAF.

The team will test residential and commercial applications of energy storage systems and back-up power sources using the packs and has also planned to develop a LEAF battery storage prototype with a capacity of at least 50kWh, that is enough to supply around 15 homes with electricity for at least two hours.

NNA Corporate Planning senior manager Ken Srebnik said it's important to the company that it manages the complete lifecycle of the electric vehicle battery pack, even beyond its use in a Nissan car.

"Innovations in energy storage systems are becoming more viable as the electric grid gets smarter, and Nissan is proud to work with ABB, 4R Energy and Sumitomo to help bring these possibilities to market," Srebnik said.

The automaker said that the batteries used by electric cars maintain around 70% of their charge after 10 years of use - and this would allow them to be used as part of a smart grid energy management system, or as a battery energy storage unit.

ABB head of medium voltage power products business Bruno Melles said this agreement will allow the company to evaluate the commercial viability of a grid storage solution and develop a prototype to effectively reuse Nissan LEAF batteries.

"We look forward to working with our partners to take electric-vehicle battery energy storage technology a step further," Melles said.

4R ENERGY director of international business development division Kazuaki Mori said the company wants to contribute to the establishment of a low-carbon society with renewable energy resources and the next generation of Smart-Grid and EV communities in the world.

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