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New long-duration, extended capacity Na-Al battery design for grid storage

Green Car Congress

The new battery design could help ease integration of renewable energy into the electrical grid at lower cost, using Earth-abundant metals, according to a study just published in Energy Storage Materials. Specifically, after 345 charge/discharge cycles at high current, this acidic reaction mechanism retained 82.8%

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Paired Power’s EV chargers let customers mix and match solar, storage and grid power

Charged EVs

The challenges involved in getting EV chargers hooked up to the grid are well-known to Charged readers. Various off-grid solutions are available, but the best approach may be a flexible one—using some combination of onsite generation, battery storage and grid power, according to what’s available and what’s needed for the application.

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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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SCAQMD awards AC Propulsion $300K grant for 3 electric service van conversions

Green Car Congress

AC Propulsion will launch the conversion program by developing the electric propulsion system and conversion process for the full-size vans that are used by service fleets nationwide. The converted vans will run on electricity only and will charge directly from the power grid. Earlier post.).

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PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

Green Car Congress

Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. The system has a 4 megawatt capacity, and can store more than six hours of energy.

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Honda opens Smart Home US in California; produces more energy than it consumes; direct DC-DC EV charging

Green Car Congress

A 10 kWh battery energy storage system in the garage, using the same lithium-ion cells that are used in the Honda Fit EV, allows stored solar energy to be used at night, when household demand typically peaks and electric vehicles are usually charged. DC-to-DC electric vehicle charging. Photo by Dorian Toy. Click to enlarge.

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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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