![]() A large scale energy storage system is essentially a large battery pack, along with technology to interface with the smart grid. As the smart grid is implemented, large scale energy storage systems are expected to smooth out electricity demand as it fluctuates during the day. For years small scale battery backup systems have been used for things like emergency lights and critical systems. Energy storage systems can make intermittent energy sources like solar or wind power more feasible. "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."Įnergy storage systems are expected to become a key part of the smart grid, where it's hoped to contribute to greater efficiency, reliability, performance and facilitate integrating renewable energy into the grid. "It’s important to Nissan that we manage the complete lifecycle of the electric vehicle battery pack, even beyond its use in a Nissan car," said Ken Srebnik, senior manager, NNA Corporate Planning. The companies aim to "evaluate and test the residential and commercial applications of energy storage systems or back-up power sources using lithium-ion battery packs reclaimed from electric vehicles after use." Many have noted over the years that electric car battery packs could, in principle, be reused for other purposes. In any case, while the battery pack won't have enough remaining capacity to be used for use in a car, it still store electricity. Especially if promised longer range battery packs come into existence and especially if Nissan implements a drop in replacement battery packs with new battery technology. When brand new Nissan Leaf has a 100 mile or so range, but in a few years this will shrink to 80 miles range, which is still significant but many will want a new battery pack. ![]() It's known that after a few years of use, battery pack capacity shrinks resulting in shorter driving distances. ![]() Will the battery pack just go to a landfill, or can they be put to another use? Today Nissan announced it was working with ABB, 4R Energy and Sumitomo, to evaluate the re-use of lithium-ion battery packs currently in use in Leaf models. One of the questions related to electric vehicles is the disposition of the battery packs after a few years when capacity depletes shortening the driving range. ![]()
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