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

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In a paper in Nature , they suggest that the use of such redox-active organic molecules instead of redox-active metals represents a new and promising direction for realizing massive electrical energy storage at greatly reduced cost. You could theoretically put this on any node on the grid.

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

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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.

Charging 380
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California Study to Explore Repurposing EV Batteries for Household Energy Storage

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The California Center for Sustainable Energy (CCSE) will lead a joint research study of how the useful lifespan of electric vehicle batteries could be extended by repurposing them as household electric storage devices with a $992,000 grant from the University of California. Tags: Batteries Electric (Battery).

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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. To be successful, systems will need to evolve—in some cases, considerably—to compete financially with the cost of natural gas production. Credit: ACS, Yang et al. Click to enlarge. In their study, Yang et al. —Yang et al.

Li-ion 231
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Eos Energy Storage introduces grid-scale battery system at $160/kWh

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Eos’s standard Aurora 1000|4000 product, a containerized 1 MW DC battery system providing four continuous hours of discharge, offers a cost-effective energy storage solution competitive with gas peaking generation and utility distribution infrastructure. The Aurora 1000|4000 will be sold at a price of $160/kWh in volume. Source: EOS.

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New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

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Schematic comparing the cost and dispatchability of PV to CSP with thermal storage. The “PV+Storage” box includes the high cost of electrical storage for PV. The FOCUS Program target zone for electricity generation is indicated. b) Hybrid storage system (award Category 2). Source: ARPA-E. Click to enlarge.

Solar 290
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Japan V2G demonstrator project using EVs as virtual power plant resource; METI funding

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Seven companies—Tokyo Electric Power Company Holdings, Inc. TEPCO Power Grid, Inc.; Mitsubishi Motors Corporation (MMC); SHIZUOKA GAS Co., Stabilizing the power grid requires the use of thermal power but this incurs costs in owning and maintaining such power generating plants. TEPCO); TEPCO Energy Partner, Inc.;

Japan 218