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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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AQDSH 2 refers to the reduced form of AQDS. 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. Discharge mode is shown; the arrows are reversed for electrolytic/charge mode.

Low Cost 374
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PHEVLERs are the Zero CO2 Clean Green Machines of the Future

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Vehicle-grid-integration [ 16 ] uses electric vehicles with low power bidirectional chargers to balance an electric smart grid, absorb and redistribute the renewable energy from intermittent sources such as solar and wind.

Clean 150
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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.

Li-ion 231