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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. The quinones are dissolved in water, which prevents them from catching fire.

Low Cost 374
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DOE announces Stage 1 CABLE Conductor Manufacturing Prize Winners

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The US Department of Energy announced Stage 1 winners of the Conductivity-enhanced materials for Affordable, Breakthrough Leapfrog Electric and thermal applications ( CABLE ) Conductor Manufacturing Prize. For more than a century, the conductivity of materials that carry electricity has remained almost unchanged.

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Using Hot Sand To Store Energy

CleanTechnica EVs

Energy Storage in Sand Offers Low-Cost Pathway for Reliable Electricity and Heat Supply in Renewable Energy Era.

Store 145
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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. Commencing today, the project aims to build a vehicle-to-grid (V2G) system, and through this a business model that utilizes the electricity storage capabilities of multiple EV/PHEVs to regulate power demand and supply between the grid and electric vehicles.

Japan 218
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CEC awards Eos Energy Storage $2.1M to demo AC-integrated zinc hybrid-cathode battery technology for grid storage

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Znyth battery technology uses a safe aqueous electrolyte and a novel zinc-hybrid cathode to enable extremely low-cost electricity storage and long life.

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

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The Aurora product employs Eos’s patented Znyth battery technology that uses a safe aqueous electrolyte and a novel zinc-hybrid cathode to enable extremely low-cost electricity storage and long life. With a 30-year life, Eos is can provide peak electricity at a levelized cost of $0.12-0.17

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Sandy solution for renewable energy storage; Thermal Energy Storage System

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Sand is emerging as a key ingredient in the race to develop a viable electricity storage system for renewable energies. Australia-based Latent Heat Storage has developed a low cost thermal energy storage system based on the latent heat properties of silicon derived from sand. by Andrew Spence.