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Five Cool Tech Demos From the ARPA-E Summit

Cars That Think

Gas Li-ion batteries thwart extreme cold South 8 Technologies demonstrates the cold tolerance of its Li-ion battery by burying it in ice at the 2024 ARPA-E Energy Innovation Summit. That’s a big improvement on conventional Li-ion batteries, which start to degrade when temps reach 0 °C and shut down at about –20 °C.

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New lithium polysulfide flow battery for large-scale energy storage

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Researchers from the US Department of Energy’s (DOE) SLAC National Accelerator Laboratory and Stanford University have designed a new lithium/polysulfide (Li/PS) semi-liquid (flow) battery for large-scale energy storage, with lithium polysulfide (Li 2 S 8 ) in ether solvent as a catholyte and metallic lithium as an anode.

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Stanford study quantifies energetic costs of grid-scale energy storage over time; current batteries the worst performers; the need to improve cycle life by 3-10x

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Using a new metric—“Energy Stored on Invested, ESOI”—they concluded that batteries were the worst performers, while compressed air energy storage (CAES) performed the best, followed by pumped hydro storage (PHS). Their results are published in the RSC journal Energy & Environmental Science.

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International Battery Large-Format Li-ion Cells Chosen by SC Electric for First Community Energy Storage System

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International Battery (IB), a US manufacturer and developer of large-format lithium-ion rechargeable batteries, has been chosen as the battery system provider for the first-of-its-kind Community Energy Storage (CES) systems, developed by S&C Electric Company for American Electric Power (AEP).

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Univ. of Texas researchers propose lithium- or sodium-water batteries as next generation of high-capacity battery technology; applicable for EVs and grid storage

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John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. The high energy storage has stimulated a worldwide study of Li-air batteries. A typical Li-air battery discharges at 2.5-2.7 V vs. Li/Li + at room temperature.

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What is Home energy management system, why it is needed

Baua Electric

These appliances are part of the broader concept of the Internet of Things (IoT), where everyday objects are connected to the internet, enabling them to collect and exchange data for improved functionality and user convenience. Flow Batteries: These batteries store energy in liquid electrolytes.

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ERTRAC publishes roadmap on energy carriers and powertrains; role for power-to-gas

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The most important source of decarbonized energy in 2050 will come from electricity produced from renewable sources like wind, solar and hydroelectric and used in plug-in vehicles, the report notes. Liquid Air technically does not store any energy, as energy has been removed to create it. Earlier post.)

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