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

Green Car Congress

Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) in late February demonstrated a 20-kilowatt bi-directional wireless charging system installed on a UPS medium-duty, plug-in hybrid electric delivery truck. ORNL’s bidirectional technology is fully compliant with grid power quality standards.

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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.

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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.

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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 For bigger national grids it gets more complicated. kWh battery wall unit.

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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

Discharge mode is shown; the arrows are reversed for electrolytic/charge mode. The technology could fundamentally transform the way electricity is stored on the grid, making power from renewable energy sources such as wind and sun far more economical and reliable. Cell schematic. AQDSH 2 refers to the reduced form of AQDS.

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The Role of Power Utilities in Turning EVs into a Grid Asset – Part 2

Driivz

Part 1 of this two-part blog discusses the challenges facing electric utilities – both electricity generators and grid operators – with electric vehicle (EV) adoption coinciding with the electrification of buildings, heating, and industry. Balancing the load with managed smart EV charging.

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How Smart EV Charging Will Help Promote Renewable Power Generation

Wallbox

The proportion of grid electricity generated by renewables such as wind and solar energy fluctuates depending on how hard the wind is blowing or how strong the sun is shining. This can lead to a huge variation in the grid power available, which can be a problem for power companies. How EVs can help balance the grid.