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Volvo Buses in project researching use of second-life electric bus batteries to store solar energy

Green Car Congress

Volvo Buses is participating in a research project in which used electric bus batteries are used as solar energy storage units. Batteries from electric bus route 55 in Gothenburg, Sweden are being used for solar energy storage in a second-life application.

Store 273
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Solar and Battery Companies Rattle Utility Powerhouses

Cars That Think

It's being marketed as the " Tesla Energy Plan ," and is available to any individual household in this region of 24 million people that has a solar panel system, a grid connection—and a Tesla powerwall, the Palo Alto firm's gigafactory-made 13.5 kWh battery wall unit. For bigger national grids it gets more complicated.

Solar 116
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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

Green Car Congress

Researchers at Harvard have demonstrated a metal-free organic–inorganic aqueous flow battery—a quinone–bromide flow battery (QBFB)—as an example of a class of energy storage materials that exploits the favorable chemical and electrochemical properties of a family of molecules known as quinones. Huskinson et al.

Low Cost 374
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ORNL demos 20 kW bi-directional wireless charging on UPS PHEV truck; 11" air gap, >92% efficiency

Green Car Congress

The system transferred electricity from the power grid to the vehicle battery terminals at more than 92% efficiency. At a 20-kilowatt level, it would take about three hours to charge the vehicle’s 60-kilowatt-hour battery packs. ORNL’s bidirectional technology is fully compliant with grid power quality standards.

Charging 380
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Nissan and 4R Energy develop new EV charging system combining solar and Li-ion batteries

Green Car Congress

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.

Solar 246
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BMW i ChargeForward Program to demo contribution of intelligent EV charging to grid efficiency

Green Car Congress

Working with a select group of BMW i3 drivers, BMW i ChargeForward will demonstrate how intelligent management of electric vehicle charging can contribute to improved electric power grid efficiency while reducing total cost of electric vehicle ownership. EV battery “second life” system using MINI E vehicle batteries.

Grid 150
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BMW i home energy storage system integrates 2nd-life i3 vehicle batteries

Green Car Congress

BMW i announced a home stationary energy storage system solution integrating its BMW i3 vehicle battery at EVS 29 in Montréal. The system utilizes BMW i3 high-voltage batteries and can be expanded to incorporate second-life batteries as they become available in the market.