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Nissan and 4R Energy develop new EV charging system combining solar and Li-ion batteries

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and 4R Energy Corporation, a joint venture established by Nissan and Sumitomo Corporation in September 2010 to explore second-life applications for automotive battery packs ( earlier post ), have developed a charging system for electric vehicles that combines a solar power generation system with high-capacity lithium-ion batteries.

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BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

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The battery storage system also includes a voltage converter and power electronics to manage the energy flow between renewable energy sources, the house interface, and the Li-Ion high-voltage battery from the BMW i3. In 2014, BMW integrated high-voltage batteries into a stationary storage system in Hamburg.

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Study Finds PHEV Li-ion Cells Show Little Capacity Fade Under Combined Driving and V2G Usage; Economic Model Suggests Incentives Will Be Required for Vehicle Owners to Participate in V2G

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A new draft working paper published by the Carnegie Mellon Electricity Industry Center concluded that a PHEV pack comprising lithium iron phosphate cells would incur little capacity loss from combining vehicle-to-grid (V2G) activities with regular driving. Test current profile used to simulate driving day for cells showing all trips.

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Study Finds PHEV Li-ion Iron Phosphate Cells Show Little Capacity Fade Under Combined Driving and V2G Usage; Economic Model Suggests Incentives Will Be Required for Vehicle Owners to Participate in V2G

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Researchers at Carnegie Mellon Electricity Industry Center have concluded that a PHEV pack comprising lithium iron phosphate cells would incur little capacity loss from combining vehicle-to-grid (V2G) activities with regular driving. Test current profile used to simulate driving day for cells showing all trips. Peterson et al.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

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Classification of potential electrical storage for stationary applications. However, the authors note, to date EES (almost exclusively pumped hydroelectric storage) contributes to only about 2% of the installed generation capacity in the United States. Credit: ACS, Yang et al. Click to enlarge. In their study, Yang et al.

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