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Molten-Salt Battery Freezes Energy Over a Whole Season

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While rechargeable batteries are the solution of choice for consumer-level use, they are impractical for grid-scale consideration. Scientists have been looking for solutions in gravity energy storage , thermal or geothermal storage , and also molten-salt batteries.

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U Waterloo team shows four-electron conversion for Li-O2 batteries for high energy density; inorganic molten salt electrolyte, high temperature

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A) Gibbs reaction energy for formation of Li 2 O and Li 2 O 2 as a function of temperature. —Linda Nazar, Canada Research Chair of Solid State Energy Materials and senior author. Nazar (2018) “A high-energy-density lithium-oxygen battery based on a reversible four-electron conversion to lithium oxide” Science Vol.

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Thermal Energy Storage Is No Longer Just Hot Air

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The shipping containers, which house a Frankenstein-like assortment of machine parts—motors repurposed from Volvo truck engines, giant tanks of compressed air, huge silos of piping hot sand—are produced by a company called Cheesecake Energy. Despite its name, Cheesecake Energy isn’t in the food business.

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BASF announces winners of the open innovation contest on energy storage

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BASF announced the winners of the BASF Energy Contest at the “Creator Space Summit” in Ludwigshafen. The winning concepts were: A molten air battery that uses a molten salt electrolyte at elevated temperature from Professor Stuart Licht at George Washington University.

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Researchers propose new aluminum–sulfur battery with molten-salt electrolyte; low-cost, rechargeable, fire-resistant, recyclable

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An international team of researchers led by Quanguan Pang at Peking University and Donald Sadoway at MIT reports a bidirectional, rapidly charging aluminum–chalcogen battery operating with a molten-salt electrolyte composed of NaCl–KCl–AlCl 3. —Pang et al.

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Five Cool Tech Demos From the ARPA-E Summit

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Nearly 400 exhibitors representing the boldest energy innovations in the United States came together last week at the annual ARPA-E Energy Innovation Summit. Advanced Research Projects Agency–Energy ( ARPA-E ), showcased the agency’s bets on early-stage energy technologies that can disrupt the status quo.

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Sadoway and MIT team demonstrate calcium-metal-based liquid metal battery

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MIT professor Donald Sadoway and his team have demonstrated a long-cycle-life calcium-metal-based liquid-metal rechargeable battery for grid-scale energy storage, overcoming the problems that have precluded the use of the element: its high melting temperature, high reactivity and unfavorably high solubility in molten salts.